Salmon v. Lang ( 2022 )


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  •            United States Court of Appeals
    For the First Circuit
    No. 21-1104
    JENNIFER SALMON,
    Plaintiff, Appellant,
    v.
    ROGER LANG; LINDA HIRSCH; JOHN MOSES; JASON FREDETTE; KURT
    MCPHEE; CHELMSFORD SCHOOL COMMITTEE; PATRICIA TOBIN; TOWN OF
    CHELMSFORD,
    Defendants, Appellees.
    APPEAL FROM THE UNITED STATES DISTRICT COURT
    FOR THE DISTRICT OF MASSACHUSETTS
    [Hon. Richard G. Stearns, U.S. District Judge]
    Before
    Barron, Chief Judge,
    Howard, Circuit Judge,
    and Singal,* District Judge.
    Joseph L. Sulman, with whom The Law Office of Joseph L.
    Sulman, Esq. was on brief, for appellant.
    Douglas I. Louison, with whom Alexandra M. Gill and Louison,
    Costello, Condon & Pfaff were on brief, for appellee.
    December 16, 2022
    *   Of the District of Maine, sitting by designation.
    HOWARD, Circuit Judge.               Jennifer Salmon -- a public
    school teacher and former president of her local teachers' union
    -- brought suit against several public school officials, her town,
    and    the     local    school     committee,       alleging      First    Amendment
    retaliation and state-law claims arising from various negative
    reactions to her union advocacy efforts between 2016 and 2018.
    The district court entered summary judgment for all defendants.
    Salmon now appeals the district court's summary judgment ruling
    and two other rulings from the pleading and discovery stages.                        We
    affirm.
    I.    BACKGROUND
    Salmon has been a public school teacher in Chelmsford,
    Massachusetts since 2002.               In May 2016, she became president of
    the Chelmsford Federation of Teachers ("CFT"), a local chapter of
    the American Federation of Teachers ("AFT").                   During her tenure as
    CFT president, Salmon advocated on behalf of the union regarding
    classroom-temperature        problems       in    many    of   the   town's      school
    buildings (e.g., cold temperatures during the winter months).                       Her
    advocacy involved an August 2016 meeting with defendant Roger Lang,
    Chelmsford Superintendent, and email exchanges with certain school
    principals.      Specifically, Salmon identified these heating issues
    in    emails    to     defendant    Jason     Fredette,        principal    of    Byam
    Elementary,      in    October     2016,    and    to    defendant   Kurt     McPhee,
    principal of McCarthy Middle School, in March 2017.
    - 2 -
    In September 2017, Salmon began teaching third grade at
    Harrington Elementary after transferring from a different school.
    The next month,       at the request of colleagues, Salmon raised
    concerns to the Harrington principal, defendant Patricia Tobin,
    about working conditions at her new school.            The plaints focused
    on special-needs classrooms and included the need for "increased
    staffing and improved [student] monitoring."           On October 13, 2017,
    Tobin had a phone call with Salmon about an unrelated matter, in
    which Tobin "yelled" at Salmon and mentioned that the principal at
    Salmon's    previous     school    "had     warned"    Tobin   about   her.
    Specifically, Tobin believed that Salmon had interfered with her
    instructions regarding a school-day scheduling change by telling
    another teacher that the teacher did not have to listen to Tobin.
    Tobin later received an email from the CFT vice president about
    her call with Salmon, which Tobin characterized as "scathing" and
    found "shocking" and "unfounded."           Tobin printed and taped this
    email to a filing cabinet in her office, feeling that she "needed
    some time to react to [it]."
    In early November 2017, Carol LeRivee, a Harrington
    first-grade teacher, asked Salmon for help with a special-needs
    student    in   her   classroom   whose   disruptive   behavior   presented
    safety concerns.        LeRivee explained that the child habitually
    "bolted" out of the classroom and off the playground, which took
    support-staff members off task and interfered with other students'
    - 3 -
    classwork.          LeRivee   had   brought    these    concerns    to   the
    administration's attention during the previous month, but felt
    their    response    was   slow   and   inadequate.      Several   teachers,
    including Salmon, tried to help LeRivee deal with the disruptive
    child by spending time in LeRivee's classroom to assist with the
    other children in the class.
    On November 16, 2017, Salmon emailed Tobin about this
    child's behavior and requested a meeting to discuss the attendant
    concerns.    The email copied two non-party administrators -- Amy
    Reese, Chelmsford Director of Special Education, and Patricia
    Doherty, Chelmsford Special Education Chairperson -- as well as
    Rick Blanchet, an AFT field representative.            In her email, Salmon
    noted that "[a]fter reviewing the Major Incident Report Binder, it
    appear[ed] there are a minimum of 23 major incident reports
    completed for this student," and that the student's behavior posed
    a "major safety concern" for the classroom.1            A few hours later,
    1 The Major Incident Report Binder ("MIR Binder") was where
    teachers filed discipline reports for individual students in the
    teachers' dedicated folders. At the time of Salmon's email, the
    MIR Binder was kept in the school's main office on top of a filing
    cabinet.    Under Massachusetts regulations, these discipline
    reports constitute "student records." See 603 Mass. Code. Regs.
    § 23.02.    As such, access to them was limited to certain
    "authorized personnel," as defined in applicable regulations. See
    id. §§ 23.02, 23.07.    Salmon contends that the district court
    improperly found that she was not authorized to view LeRivee's
    student's file and that this was a material fact in dispute. For
    the reasons discussed infra, Section II.A.2, we disagree, as the
    relevant school policy and regulations indisputably prohibited her
    access in this instance.
    - 4 -
    Salmon emailed this group again, asking that a meeting be scheduled
    for Wednesday, November 22 at 8:00 AM between her, Blanchet, and
    the three school administrators. She added that if Tobin, Doherty,
    and Reese were unavailable to meet or discuss, her "next step
    [would be] to go to the [Chelmsford] School Committee with these
    incident reports."
    On November 20, 2017, Tobin met with Salmon in response
    to her email.   Tobin questioned why Salmon felt this was a "union
    issue," explaining that "the process of working with a student"
    typically is not, and asked Salmon other questions about her
    request, i.e., with whom she wanted to meet, and "why and how" she
    was "able to go into [LeRivee's] classroom to support [her]."
    Later that day, Salmon again emailed Tobin, Reese, and Doherty,
    reiterating her request for a meeting at 8:00 AM on November 22
    and explaining why she believed that it was a union issue and that
    she did "not need to ask permission" to enter LeRivee's classroom
    on her own time.   She reiterated that she was "acting as the Union
    President" in her request to meet on this issue.         Tobin responded
    that same evening, writing that she would be "happy to attend any
    meeting [Salmon] schedule[d]."
    On    November    21,    Salmon   again   emailed       the   three
    administrators to confirm the meeting schedule.          Tobin responded
    that she would not be available that day, which was the day before
    Thanksgiving,   due   to   "many   classroom   visits"   on   a    shortened
    - 5 -
    schedule.   Reese also emailed Salmon back, explaining that "[t]his
    is not a union matter" and that she would "not meet with [Salmon]
    as union president to discuss this student-related matter." Salmon
    responded to Reese, reiterating the union's concerns about teacher
    and student safety, stating that "[Blanchet] will be here at 8am
    tomorrow," and adding: "Your unreasonable unwillingness to have a
    conversation about solutions is cowardly."           Later that night,
    Salmon emailed Superintendent Lang, asking him to "help . . .
    direct[]" Tobin to meet with her and Blanchet.
    On November 22, Salmon and Blanchet entered Tobin's
    office to request a meeting.2      Tobin told them she did not have
    time to discuss or schedule a meeting, and asked Blanchet to leave.3
    She then left the office to attend to other matters.          Blanchet and
    Salmon, however, remained. Upon learning that fact, Tobin directed
    her support staff to call Lang for assistance.          Following phone
    conversations   between   staff   members   at   Harrington    and   Lang's
    office, Lang eventually received a message that Blanchet was at
    2 While certain details of this encounter are disputed, such
    as the tenor of the interaction between Tobin and Blanchet, those
    details are not material to Tobin's claims or the issues presented
    on appeal.
    3  In her opposition to the defendants' motion for summary
    judgment, Salmon contended that there is no evidence that Tobin
    asked Blanchet to leave. But this is refuted by Tobin's undisputed
    deposition testimony that she "told" Blanchet that "he needed to
    leave."
    - 6 -
    Harrington and "was becoming . . . agitated and combative toward
    [Tobin]."     Lang then proceeded to Harrington to intervene.
    On    his    way,   Lang    notified   the    Chelmsford        Police
    Department that there was an incident occurring at the school.
    When Lang arrived, he spoke with Tobin and then with Blanchet, who
    "put his hands on Lang incidental to the conversation."              Lang then
    asked one of the responding police officers to escort Blanchet
    from the building. Lang returned to speak with Salmon and informed
    her that he was sending her home for the day in order to de-
    escalate the situation and investigate the day's events.                       He
    assured her that she was not being punished.             Salmon went upstairs
    to her classroom to gather her things.             Soon thereafter, Salmon
    was escorted out of the back of the building by a plain-clothes
    officer, at Lang's request.         Lang had requested the escort because
    Salmon was visibly upset and the students would soon be arriving.
    Salmon complied and was driven home by a co-worker.
    Later that day, Lang retained outside counsel, on behalf
    of the Chelmsford School Committee, to investigate the events
    surrounding      the    incident.      He   also   placed   Salmon     on    paid
    administrative leave pending the investigation's outcome.                      In
    addition, Lang sent an email to all Harrington parents and staff
    about the incident and held a meeting with Tobin and Harrington
    teachers to discuss the same.            During the meeting, Lang stated
    that he was "shocked and disappointed with the actions" of "some
    - 7 -
    individuals" and that there was "a right way and a wrong way" to
    bring issues to the administration's attention.4
    The November 22 incident sparked public commentary and
    debate among the residents of Chelmsford and some neighboring towns
    over the weeks that followed.        This involved discussion and posts
    on social media -- including some from defendant John Moses, a
    School Committee member -- and a "contentious and heated" School
    Committee meeting held on December 5, which was attended by
    supporters of both Salmon and the administration.             Attendees in
    support of Lang and Tobin included Fredette and McPhee.
    On December 6, the School Committee's outside counsel
    delivered   a   report   to   Lang    detailing   the    findings   of   the
    investigation (the "Investigation Report") and sent a letter to
    Salmon summarizing the same.          As detailed in the Investigation
    Report, the investigation consisted of approximately 23 witness
    interviews, including those with LeRivee, Salmon, and Tobin, as
    well as a review of video footage from inside the school, police
    reports, student incident reports, emails, and various School
    Committee policies and training materials.              Counsel ultimately
    concluded that Salmon (i) was "insubordinate with regards to [her]
    appearing for and demanding a meeting that had been previously
    4 Tobin reiterated this sentiment that there was "right way
    and a wrong way to raise concerns" during a meeting with Harrington
    teachers in January 2018.
    - 8 -
    denied by two supervisors," and (ii) had "violated District policy
    with       regards    to    student    records     confidentiality"    by   viewing
    LeRivee's student's incident reports.                   Salmon was permitted to
    return to work the same day.
    On December 12, Lang issued Salmon a letter of reprimand
    to be placed in her personnel file.                Lang noted that he concurred
    with       the     Investigation       Report's    findings   that    Salmon     was
    insubordinate         and    had      inappropriately    accessed     confidential
    student information. In March 2018, Salmon took a leave of absence
    from Harrington and did not return for the remainder of the school
    year.       In the summer of 2018, Salmon sought transfer to several
    open teaching positions at Fredette's and McPhee's respective
    schools.5         She was interviewed and considered, but ultimately not
    hired.           In both instances, hiring committees at each school
    unanimously decided to hire external applicants over Salmon.
    In June 2019, Salmon filed this action against Lang,
    Tobin,       Fredette,      McPhee,    and   the   School   Committee,      alleging
    violations of the First Amendment, under 
    42 U.S.C. § 1983
    , and the
    Massachusetts Civil Rights Act ("MCRA"), Mass. Gen. Laws ch. 12,
    § 11H. The thrust of her claims was that the defendants retaliated
    For Fredette's school (Byum Elementary), Salmon applied and
    5
    interviewed for three positions: second-grade teacher, fourth-
    grade teacher, and elementary moderate special needs teacher. For
    McPhee's school (McCarthy Middle), Salmon applied and interviewed
    for an eighth-grade special education teaching position.
    - 9 -
    against her in response to her union advocacy, through workplace
    harassment, disciplinary action, and transfer denials.               Salmon
    also sued Moses for defamation, arising from several social media
    posts about her involvement in the November 22 incident.                In
    February 2020, Salmon sought leave to amend her complaint to add
    a new claim against the Town of Chelmsford under the Massachusetts
    Whistleblower Act ("MWA"), 
    Mass. Gen. Laws ch. 149, § 185
    , arising
    from her complaints to school officials of classroom-temperature
    issues, dating back to 2016, the complaints of working conditions
    raised to Tobin in 2017, and various adverse actions taken against
    her from November 22 through her 2018 transfer denials.           The court
    granted her motion to amend only insofar as the new claim was based
    on alleged adverse actions occurring since February 2018 (within
    the MWA's two-year statute of limitations period), thus denying
    Salmon's request for "relation back" under Federal Rule of Civil
    Procedure 15(c).       After discovery, the defendants secured summary
    judgment on all claims.       See Salmon v. Lang, No. 19-cv-11378, 
    2021 WL 294512
     (D. Mass. Jan. 28, 2021).          This timely appeal followed.
    II.   SUMMARY JUDGMENT RULINGS
    We turn first to Salmon's challenges to the district
    court's   entry   of    summary   judgment    on   her   First   Amendment-
    retaliation, MCRA, MWA, and defamation claims.           We review summary
    judgment decisions de novo, affirming only if the record shows
    "there is no genuine dispute as to any material fact and the movant
    - 10 -
    is entitled to judgment as a matter of law."           Fed. R. Civ. P.
    56(a); Stuart v. City of Framingham, 
    989 F.3d 29
    , 34-35 (1st Cir.
    2021).6   We evaluate the facts and "draw all reasonable inferences
    from the record in the light most favorable to the nonmoving
    party," but "disregard[] any 'conclusory allegations, improbable
    inferences, and unsupported speculation.'"          McGrath v. Tavares,
    
    757 F.3d 20
    , 25 (1st Cir. 2014) (quoting Alicea v. Machete Music,
    
    744 F.3d 773
    , 778 (1st Cir. 2014)).     We may affirm summary judgment
    "on any basis apparent from the record."      
    Id.
    A.   First Amendment Retaliation Claims
    To prevail on a speech-retaliation claim as a public
    employee, a plaintiff must prove that (1) she "spoke as a citizen
    on a matter of public concern," (2) her employer lacked "an
    adequate justification for treating [her] differently from any
    other member of the general public,"         and (3) her "protected
    expression was a substantial or motivating factor in the adverse
    employment decision."   Bruce v. Worcester Reg'l Transit Auth., 
    34 F.4th 129
    , 135 (1st Cir. 2022); see also Alston v. Town of
    Brookline, 
    997 F.3d 23
    , 42 (1st Cir. 2021) (internal quotation
    marks and citations omitted); McGunigle v. City of Quincy, 835
    6 A dispute is "genuine" if "a jury can reasonably interpret
    the evidence in the non-movant's favor," and a fact is "material"
    if it is "one that might affect the outcome of the suit under
    governing law." Reyes-Orta v. P.R. Highway & Transp. Auth., 
    811 F.3d 67
    , 73 (1st Cir. 2016) (internal quotes and cites omitted).
    - 11 -
    F.3d 192, 202 (1st Cir. 2016) (explaining that the second element
    requires a plaintiff to demonstrate that her interests "'as a
    citizen, in commenting upon matters of public concern' outweighed
    [her] employer's interest 'in promoting the efficiency of the
    public    services    it   performs    through    its   employees'"    (quoting
    Decotiis v. Whittemore, 
    635 F.3d 22
    , 29 (1st Cir. 2011)). Salmon's
    appeal concerns only the third element of this test.
    "For     purposes   of     speech    retaliation     an    'adverse
    employment [decision]' includes an action the employer takes that
    would 'deter a reasonably hardy individual from exercising his
    constitutional rights.'"        Gutwill v. City of Framingham, 
    995 F.3d 6
    , 12 (1st Cir. 2021) (cleaned up) (quoting Barton v. Clancy, 
    632 F.3d 9
    , 29 (1st Cir. 2011)).             Whether a plaintiff's protected
    speech was a "substantial or motivating factor in [an] adverse
    employment decision . . . is simply a question of causation," and
    is "analyzed in two steps."       Davignon v. Hodgson, 
    524 F.3d 91
    , 106
    (1st Cir. 2008) (internal quotes and cites omitted).                  This two-
    step     "causation    test"    has    long     been    known   as    "the   Mt.
    Healthy . . . burden-shifting test."            See, e.g., Guilloty Perez v.
    Pierluisi, 
    339 F.3d 43
    , 56 (1st Cir. 2003) (referring to Mt.
    Healthy City Sch. Dist. Bd. of Educ. v. Doyle, 
    429 U.S. 274
    , 287
    (1977)); see also Pierce v. Cotuit Fire Dist., 
    741 F.3d 295
    , 301-
    02 (1st Cir. 2014).
    - 12 -
    Under Mt. Healthy, "the plaintiff must [first] show that
    the employer would not have taken adverse action but for the
    plaintiff's speech," through direct or circumstantial evidence of
    such a causal link.       Davignon, 
    524 F.3d at 106
    .            Then, "[i]f the
    plaintiff       meets   that     burden,    the    burden       shifts    to   the
    employer . . . to sever the causal link."                 
    Id.
          That is, the
    employer must "prove by a preponderance of the evidence that 'it
    would    have   reached   the    same   decision    [regarding      the   adverse
    employment event] even in the absence of the protected conduct.'"
    Stuart, 989 F.3d at 35 (quoting Mt. Healthy, 
    429 U.S. at 287
    )
    (alterations in original). "If the employer cannot adduce evidence
    of an alternative justification . . . or if that evidence, once
    adduced, does not suffice to prove the point, the employee has
    established a constitutional violation."            Guilloty Perez, 
    339 F.3d at 51
    .     Conversely, if the employer presents a non-retaliatory
    reason for the action, "the burden shifts back to the plaintiff to
    'discredit [it], either circumstantially or directly, by adducing
    evidence that [retaliation] was more likely than not a motivating
    factor."    Pierce, 741 F.3d at 302; see, e.g., Stuart, 989 F.3d at
    35 (same). Cf. Nieves v. Bartlett, 
    139 S.Ct. 1715
    , 1722, 1725
    (2019) (discussing the Mt. Healthy test in the context of a
    retaliatory-arrest case).
    Against     this    backdrop,   we    begin   our    examination    of
    Salmon's arguments.       She contends that the district court erred in
    - 13 -
    (i) applying the Mt. Healthy "defense" sua sponte; (ii) concluding
    that Salmon could not prove causation in her claims against Lang,
    Fredette, and McPhee; and (iii) concluding that Salmon could not
    prove Tobin took any adverse employment action against her.              We
    address each in turn.
    1.     Application of Mt. Healthy Burden-Shifting Test
    Salmon first contends that the district court erred in
    applying     the   Mt.    Healthy    burden-shifting     analysis   to   her
    retaliation claim against Lang, arguing that "Mt. Healthy is a
    defense that must be raised affirmatively by a defendant" and that,
    here, the defendants failed to do so in both their answers and
    motion for summary judgment.         We disagree.
    The sometimes-called "Mt. Healthy defense" is not
    strictly an "affirmative defense" that is ordinarily waived if not
    timely pled, under Rules 8(c) and 12(h).             See generally Fed. R.
    Civ. P. 8(c), 12(h).        However, even if we were to strictly view
    the Mt. Healthy defense as an "affirmative defense" under Rule 8,
    the defendants adequately raised it here.           For instance, in their
    answers, the defendants asserted as an "affirmative defense" that
    "Plaintiff's claims fail because the Defendant's actions were
    based on legitimate business reasons and/or business necessity,"
    which Salmon concedes was "arguably a Mt. Healthy-like defense."
    In   their   summary     judgment   brief,   the   defendants   specifically
    challenged the "causal connection" element of Salmon's retaliation
    - 14 -
    claims, arguing that Lang's conduct in sending Salmon home was
    motivated by a desire to "quell the charged atmosphere," and that
    his subsequent discipline of Salmon was "standard protocol."
    These    arguments     clearly    invoke    Mt.   Healthy   burden-
    shifting to anyone familiar with the doctrine and the defendants
    cited to caselaw applying it throughout this litigation.                  See,
    e.g., Lewis v. City of Bos., 
    321 F.3d 207
    , 219-20 (1st Cir. 2003).
    Thus, Salmon's argument that the district court's analysis under
    Mt. Healthy constituted "unfair surprise" fails. Given our settled
    law in this area, Salmon should have been aware that "[t]o qualify
    for   relief,"     her   claims    "must     survive   the   burden-shifting
    enunciated in Mt. Healthy."        See, e.g., Pierce, 741 F.3d at 301.
    2.   No Causation As To Claims Against Lang
    Next,     Salmon       challenges     the     district      court's
    determination that, under Mt. Healthy, Lang severed the causal
    link between Salmon's union advocacy and the written reprimand, by
    showing that the latter was motivated by Salmon's insubordination
    and unauthorized access of student records.7            Salmon specifically
    7Salmon does not appear to specifically challenge the
    district court's conclusion that Lang's decisions to have Salmon
    removed from the school building on November 22 and to place her
    on paid leave were justified by non-retaliatory reasons, i.e., to
    "minimize distraction to students" and to "facilitate an impartial
    investigation," respectively. See Salmon, 
    2021 WL 294512
    , at *5.
    Nor does she marshal evidence to discredit these non-retaliatory
    justifications. In any event, we agree with the district court
    that, under Mt. Healthy, Lang was entitled to summary judgment
    - 15 -
    contends that the court improperly relied on two disputed facts in
    reaching this conclusion: (i) that Salmon violated the student-
    record access policy, and (ii) that Tobin was "willing to meet
    with Salmon, but not on the date requested."8     We find no error
    and conclude that entry of summary judgment in favor of Lang was
    appropriate.   The district court's opinion on this point is sound,
    and we adopt its reasoning; we add only a few points of emphasis
    in response to Salmon's specific arguments on appeal.
    First, Salmon violated the school's confidential-access
    policy, or so Lang supportably determined.    Salmon contends that
    -- contrary to the district court's finding -- a reasonable jury
    could find that Salmon was authorized to view LeRivee's student's
    records, because she was a "staff [member] working with the
    student" in LeRivee's classroom. We disagree that the record could
    reasonably support such a finding.
    insofar as Salmon's retaliation claim relied upon these other
    adverse actions.
    8  Salmon also argues that the district court erred in
    describing certain other facts in a light that was unfavorable to
    her, e.g., that "Blanchet became agitated and combative" during
    his interaction with Tobin, that he "put his hands on Lang," and
    omitting that the plain-clothes officer who escorted Salmon from
    the building had a police badge around his neck. We find no error
    in the district court's recounting of these facts. In any event,
    Salmon fails to explain how any of them are material. Indeed, she
    acknowledges that the district court "did not expressly rely on
    any of these 'facts'" in its ruling.
    - 16 -
    The school's policy states that "[o]nly those persons
    authorized under law and in conformance with these statements of
    policy and regulation may see a student's file." State regulations
    provide that only "authorized school personnel shall have access
    to the student records of students to whom they are providing
    services, when such access is required in the performance of their
    official duties."        603 Mass. Code. Regs. § 23.07.            "Authorized
    personnel" is further defined to include two categories of people:
    (i)   teachers,    administrators,    or    service    providers     "who   are
    working directly with the student in an administrative, teaching,
    counseling, and/or diagnostic capacity," and (ii) "administrative
    office     staff     and     clerical       support . . . whose         duties
    require . . . access to student records for purposes of processing
    information for the student record."           See 603 Mass. Code. Regs.
    § 23.02.
    Salmon does not adduce any evidence that she was "working
    directly with [LeRivee's] student in an administrative, teaching,
    counseling, and/or diagnostic capacity."          Thus, there is no basis
    to conclude that she was "authorized personnel."9             At best, the
    record    demonstrates     that   Salmon    "checked   in   with    [LeRivee]
    regularly" and provided classroom-wide assistance to her on a few
    9The second category of "authorized personnel" is plainly
    inapplicable to Salmon, and she does not make any argument to the
    contrary.
    - 17 -
    occasions.         This   classroom   assistance    included   one    instance,
    during Salmon's lunch break, where she "followed" the student in
    question after the student had bolted from class, "along with the
    support    staff     in    that   classroom."      Moreover,   LeRivee    told
    investigators that, when Salmon came into her classroom to help,
    she "circulat[ed] the room and [was] helping children," and that
    this happened "three different times."             In Salmon's view, she was
    there "to support a staff member," "acting as the Union President
    [but] also [as] a teacher and parent in [the] building."               But the
    record is devoid of any evidence that Salmon was ever "working
    directly" with the student whose incident reports she accessed.
    This conclusion is bolstered by the Investigation Report, on which
    Lang relied in disciplining Salmon. The Investigation Report found
    that Salmon "was not providing any services to [this] student,"
    that she "was not an 'authorized school personnel'" as to that
    student,     and    that    she   therefore     "violated   student    records
    confidentiality requirements" when she accessed that student's
    file.   Thus, Salmon's assertion that she was authorized personnel,
    as a "staff [member] working with that student," is not supported
    by the record.            There was no error in the district court's
    treatment of this undisputed fact.              See, e.g., Rossy v. Roche
    Prods., Inc., 
    880 F.2d 621
    , 624 (1st Cir. 1989) (noting that even
    where proof is based on inferences, summary judgment for defendant
    may be appropriate where "plaintiff rests merely upon unsupported
    - 18 -
    allegations" (quoting Méndez v. Belton, 
    739 F.2d 15
    , 20 (1st Cir.
    1984))).
    Second, Salmon asserts that -- contrary to the district
    court's finding that "Tobin was willing to meet with Salmon, but
    not on the date she requested" -- a reasonable jury could find
    that Tobin was "not willing to meet" at all.   Again, we not only
    disagree, but also fail to see how this fact is material.   Lang's
    discipline of Salmon was based, in part, on his finding that she
    was "insubordinate in [appearing for and] demanding a meeting on
    November 22 . . . where Ms. Tobin and Ms. Reese . . . had already
    notified [her] that they were denying [her] request."        It is
    undisputed that Salmon's request was in fact denied.        Indeed,
    Salmon acknowledged these denials herself, in subsequent emails to
    Reese, Tobin, and Lang. Whether or not Tobin was genuinely willing
    to meet with Salmon on a later date, as she said she was, has no
    bearing on the fact that Salmon's request to meet on November 22
    had been denied.    Nor does it affect the fact that Salmon and
    Blanchet appeared in Salmon's office on November 22, contrary to
    Tobin's instruction that there would be no meeting that day. Thus,
    no reasonable jury could disagree that Salmon appeared for a
    meeting that her superiors told her was not happening.        Lang
    explicitly based his disciplinary action on this insubordinate
    conduct, and Salmon has failed to adduce any evidence to discredit
    that nonretaliatory reason.    We find no error in the district
    - 19 -
    court's treatment of this fact.                Cf. Torres-Rosado v. Rotger-
    Sabat, 
    335 F.3d 1
    , 13 (1st Cir. 2003) (affirming summary judgment
    in         First        Amendment-retaliation              context         where
    "[p]laintiff . . . ha[d] not produced any evidence creating a
    material issue of fact that she would not have been terminated in
    any event for insubordination [and] absenteeism").
    3.     No Causation As To Claims Against Fredette & McPhee
    Next,      Salmon    challenges        the     district     court's
    determination that evidence could not support a causal link between
    Salmon's union advocacy and the denial of her transfer applications
    by Fredette and McPhee.         Specifically, Salmon contends that this
    nexus can be inferred from her complaints of heating issues in
    Fredette's and McPhee's respective buildings, the fact that both
    of them attended the December 5 School Committee meeting in support
    of Lang, that neither had ever before passed up an internal
    transfer applicant in favor of an external hire, and that McPhee
    violated    standard    policy   in    considering       Salmon's    application
    together with three external candidates instead of considering
    hers first.    We adopt the district court's reasoning and find no
    error in its entry of summary judgment in favor of Fredette and
    McPhee.    We again add only a few points of emphasis.
    As noted above, to succeed on her retaliation claims,
    Salmon must introduce enough evidence to support a finding that
    her union advocacy "was a substantial or motivating factor behind"
    - 20 -
    the denials of her transfer applications.         See McGunigle, 835 F.3d
    at 203.    "It is not enough to show that an official acted with a
    retaliatory motive and that the plaintiff was injured -- the motive
    must cause the injury."     Nieves, 
    139 S.Ct. at 1722
    .       That is, "it
    must be a 'but-for' cause, meaning that the adverse action against
    the plaintiff would not have been taken absent the retaliatory
    motive."   
    Id.
     (citing Hartman v. Moore, 
    547 U.S. 250
    , 260 (2006)).
    Thus, under Mt. Healthy's burden shifting analysis, Salmon must
    first show that Fredette and McPhee would not have denied her
    applications "but for [her] speech."        See Davignon, 
    524 F.3d at 106
    .    "Although [Salmon] may rely on circumstantial evidence to
    make this showing, [she] must produce some facts linking" her
    transfer denials with her union advocacy.         See McGunigle, 835 F.3d
    at 203.     Thus, to survive summary judgment, Salmon must have
    adduced evidence from which a reasonable juror could infer such a
    link, see id. at 201, but she has failed to do so.
    The mere fact that Salmon communicated building-heating
    concerns to Fredette in October 2016, and to McPhee in March 2017,
    cannot alone support an inference that either of them acted with
    a retaliatory motive in denying her transfer applications in June
    and July 2018.     See, e.g., McGunigle, 835 F.3d at 204 (argument
    that    adverse   actions   "must   have   been     in   retaliation     for
    [plaintiff's] speech because they happened afterwards" cannot
    alone   support   prima   facie   causation).      Cf.   González-Droz    v.
    - 21 -
    González-Colón, 
    660 F.3d 1
    , 17 (1st Cir. 2011) ("[A]n interval of
    [fourteen months] cannot establish the necessary linkage between
    protected speech and some challenged action."). This is especially
    so given their responses to her emails, which indicated that they
    were checking on the temperature issues and working to resolve
    them.   Neither expressed any hint of resentment or agitation
    towards Salmon for providing this notice, and there is no evidence
    that these notices were considered by either Fredette or McPhee in
    connection with Salmon's transfer applications.
    Moreover, the fact that Fredette and McPhee attended the
    December 5 School Committee meeting to "show support" for their
    colleagues, Lang and Tobin, similarly falls short of demonstrating
    retaliatory motive.     Although the meeting was "heated," neither
    McPhee nor Fredette spoke or otherwise actively participated, and
    the meeting itself did not involve either of their schools,
    students, or staff.     As McPhee recalled, he and Fredette simply
    "sat and watched."    Salmon presents no evidence to discredit this
    passive characterization.
    As the district court aptly determined, the heating
    complaints,    the    School   Committee   meeting,   and   Salmon's
    unsuccessful transfer applications are merely "dots that defy
    connection."   Salmon, 
    2021 WL 294512
    , at *7.   There is no evidence
    that Fredette's and McPhee's passive show of support for Lang and
    Tobin, or their general awareness of Salmon's union advocacy at
    - 22 -
    Harrington, had any influence on their hiring decisions many months
    later.    To the contrary, it is undisputed that neither McPhee nor
    Fredette discussed Salmon's transfer applications with Lang or
    Tobin prior to their denials.   They both only spoke with Lang about
    Salmon's applications upon Lang's request, after Salmon requested
    to meet with Lang following their denials.        There is also no
    evidence that Salmon's status as union president or past advocacy
    efforts was ever discussed or considered by Fredette, McPhee, or
    their school's respective hiring committees in connection with
    their hiring decisions.    Instead, the evidence firmly establishes
    that these decisions were based on Salmon's interview performance
    and lack of specialized skills and experience in the eyes of the
    hiring committees.    In sum, there is simply no factual basis to
    support a plausible inference that Salmon's transfer denials were
    motivated by any of her union advocacy efforts between 2016 and
    2017.     Cf. Air Sunshine, Inc. v. Carl, 
    663 F.3d 27
    , 35-36 (1st
    Cir. 2011) (affirming dismissal of retaliation claim for lack of
    causation, where no plausible connection between permit denials
    and plaintiff's critical comments of defendant's co-worker).10
    10Because Salmon has failed to make a prima facie showing to
    satisfy the third prong of her retaliation claims against Fredette
    and McPhee, our analysis must stop here.     We need not consider
    whether Fredette and McPhee carried their burden, under Mt.
    Healthy, of showing non-retaliatory reasons for denying Salmon's
    applications. As a result, we need not consider Salmon's arguments
    that external applicants had rarely been hired over internal-
    transfer applicants and that McPhee violated the CBA due to the
    - 23 -
    4.   No Adverse Action As To Claims Against Tobin
    Salmon    also    challenges       the   district     court's
    determination that she failed to establish that Tobin took any
    adverse employment action against her.       On appeal, Salmon does not
    contend that any of Tobin's actions were materially adverse when
    considered   individually,   but   instead    asserts   that   the   court
    applied the wrong standard in considering the collective weight of
    those actions and concluding that they "[did] not meet the legal
    test of a hostile work environment."         Salmon, 
    2021 WL 294512
    , at
    *6.   Again, the district court's analysis was sound, and we adopt
    its analysis.
    As the district court aptly recognized, "the 'adverse
    employment action' inquiry in the section 1983 context focuses on
    whether an employer's acts, viewed objectively . . . would have a
    process in which her application was considered. Although we have
    said that "[d]eviation from established policy or practice may be
    evidence of pretext," Brennan v. GTE Gov't Sys. Corp., 
    150 F.3d 21
    , 29 (1st Cir. 1998), such a deviation is, of course, only
    "relevant to [plaintiff's] burden of demonstrating pretext." 
    Id.
    (addressing pretext in the ADEA context); see also Dunn v. Trs. of
    Bos. Univ., 
    761 F.3d 63
    , 73 (1st Cir. 2014) (fact of a "deviation
    from established policy" is only relevant to question of whether
    defendant's "stated reasons . . . are in fact pretext for
    discriminating against [plaintiff]"). Here, the issue of pretext
    is irrelevant, because Salmon has wholly failed to demonstrate
    but-for causation in the first instance. See, e.g., Vega-Colón v.
    Wyeth Pharms., 
    625 F.3d 22
    , 28 (1st Cir. 2010) (noting, in the
    employment-discrimination context, that the "inner workings" of
    defendant's hiring processes "are not relevant, so long as
    [plaintiff's] status was not a motivating or substantial factor in
    [the] decision not to hire him").
    - 24 -
    chilling effect on the employee's exercise of First Amendment
    rights" that is tantamount to "substantial pressure."                      Barton, 
    632 F.3d at 29
    ; see also Alston, 997 F.3d at 49; Salmon, 
    2021 WL 294512
    , at *6 (quoting Barton, 
    632 F.3d at 29
    ).                               Thus, the
    "pertinent question" is whether the defendant's actions "would
    deter   'a    reasonably      hardy       individual[]'        from    exercising     his
    constitutional rights."             Alston, 997 F.3d at 49 (alteration in
    original) (quoting Agosto-de-Feliciano v. Aponte-Roque, 
    889 F.2d 1209
    , 1217 (1st Cir. 1989) (en banc) (noting that defendant's
    action must be "sufficiently severe" to have this effect)).                              We
    have recognized that "[a] campaign of informal harassment," or
    "[e]ven 'relatively minor events[,]' can give rise to § 1983
    liability so long as the harassment is not so trivial that it would
    not deter an ordinary employee in the exercise of his or her First
    Amendment rights."         See Barton, 
    632 F.3d at 29
    ; Rosario–Urdaz v.
    Velazco,     
    433 F.3d 174
    ,     179    (1st    Cir.    2006)      (stating    that   a
    "substantial       campaign    of    harassment,          instigated     or     knowingly
    tolerated by superiors," can form the basis for a § 1983 claim);
    see also Bergeron v. Cabral, 
    560 F.3d 1
    , 10 (1st Cir. 2009) ("As
    a   matter    of    law,   the      determination         as   to     whether    conduct
    constitutes an adverse employment action must be made based on
    - 25 -
    objective criteria."), abrogated on other grounds by Maldonado v.
    Fontanes, 
    568 F.3d 263
     (1st Cir. 2009).11
    We   have   also   recognized,   however,   that   "not   every
    action . . . that a public employee may dislike constitutes the
    kind of adverse employment action that can ground a First Amendment
    retaliation claim.    Rather, the adverse employment action must be
    'one that affect[s] employment or alter[s] the conditions of the
    11 Salmon contends that the district court erred in applying
    the test for "hostile work environment" utilized in the Title VII
    retaliation context, which we have recognized is more exacting
    than the measure of "adverse employment action" in the First
    Amendment context.   See, e.g., Barton, 
    632 F.3d at 29
    .      In the
    Title VII context, "to amount to a hostile work environment, the
    alleged harassment must be 'severe or pervasive,'" in light of (i)
    "the frequency and severity of the discriminatory conduct," (ii)
    whether it was "physically threatening or humiliating," (iii)
    whether it "unreasonably interfered with the employee's work
    performance," and (iv) "the effect of the conduct on the employee's
    psychological well-being." See, e.g., Gómez-Pérez v. Potter, 
    452 F. App'x 3
    , 9 & n.8 (1st Cir. 2011) (unpublished) (quoting Che v.
    Mass. Bay Transp. Auth., 
    342 F.3d 31
    , 40 (1st Cir. 2003)). "Where
    an employee cannot establish pervasiveness, she carries the burden
    to show that the retaliatory harassment was 'so severe that it
    rendered her work environment objectively hostile and abusive.'"
    
    Id.
     (quoting Marrero v. Goya of P.R., Inc., 
    304 F.3d 7
    , 26 (1st
    Cir. 2002)). We need not tarry on the distinction between these
    two standards.    The district court clearly applied our First
    Amendment-retaliation standard in analyzing Salmon's claim,
    notwithstanding some comparative citation to our Title VII
    precedent and the similar, but less generous, standard used in
    that context. See, e.g., LaRou v. Ridlon, 
    98 F.3d 659
    , 662 & n.6
    (1st Cir. 1996) (noting that ADEA case law may be persuasive in
    analyzing § 1983 retaliation claims, because "[t]he fundamental
    meaning of 'adverse employment action' should remain constant
    regardless of the particular enabling statute, given their similar
    anti-discriminatory purpose.").
    - 26 -
    workplace.'" See Delaney v. Town of Abington, 
    890 F.3d 1
    , 6 (1st
    Cir. 2018) (alterations in original) (quoting Morales-Vallellanes
    v. Potter, 
    605 F.3d 27
    , 35 (1st Cir. 2010)); see also Agosto-de-
    Feliciano, 
    889 F.2d at 1218-20
     (holding that plaintiff must show
    by "clear and convincing evidence" that "the employer's challenged
    actions result[ed] in a work situation 'unreasonably inferior' to
    the norm for the position").            "To determine whether changes in a
    work        situation    are    'sufficiently       severe   to   warrant       the
    "unreasonably         inferior"    description[,]     the    factfinder    should
    canvass       the    specific   ways   in   which   the   plaintiff's     job   has
    changed.'"          Reyes-Orta v. P.R. Highway & Transp. Auth., 
    811 F.3d 67
    , 76 (1st Cir. 2016) (quoting Agosto-de-Feliciano, 
    889 F.2d at 1218
    )).       The plaintiff bears the burden on this question.             
    Id.
    Here, Salmon alleges that "Tobin engaged in a series of
    small but collectively significant actions that would cause a
    reasonable person not to exercise her First Amendment right."
    Specifically, Salmon points to Tobin's conduct in October 2017,
    which consisted of (i) "yelling at Salmon," (ii) "posting the email
    from the union vice president [about her yelling at Salmon] behind
    her desk," and (iii) and "ask[ing] Salmon why she was in certain
    areas of the school."12           She further points to Tobin's conduct in
    Any implied assertion by Salmon that this third act amounted
    12
    to excessive or unwarranted monitoring stretches the record beyond
    reasonable support. The only evidence she cites for this implied
    assertion is testimony from Tobin regarding an October 19 encounter
    - 27 -
    November through January, which consisted of (iv) "refusing to
    meet on November 22,"13 (v) asking other Harrington teachers about
    times in which Salmon had volunteered to help in their classrooms,
    and (vi) "meeting with teachers in January 2018 and telling staff
    there was a right way and wrong way to raise concerns."            As a
    result of Tobin's conduct, Salmon alleges that she was "ostracized
    by her colleagues," without pointing to any evidence.             After
    careful review of the record, we agree with the district court
    that no reasonable jury could find that the sum of these events
    would create a "chilling" effect that would deter a reasonably
    hardy individual from exercising their union-advocacy rights.
    While   Salmon   complains   about   the   actions   described
    above, the record shows that they were not consequential.           This
    conduct by Tobin was at most mild and consistent with her role as
    Salmon's principal.   As discussed above, Tobin yelled at Salmon
    over the phone, in response to Salmon attempting to "undo" a
    scheduling change Tobin had made, and later taped the "scathing"
    with Salmon, in which she "vaguely remember[ed]" seeing Salmon
    "sitting on the floor talking with a little boy who was upset,"
    and then "ask[ing] her if she was okay, did she need help."
    13 Again, Salmon mischaracterizes the undisputed record.
    Tobin engaged with Salmon on her request and spoke with her on
    November 20, 2017. Tobin told Salmon multiple times that she was
    willing to meet but she was not available on the requested date.
    No reasonable jury could infer that this was tantamount to a
    blanket "refusal," as Salmon contends.     We therefore do not
    consider this allegation in our analysis.
    - 28 -
    email she received regarding the conversation to her file cabinet,
    where she kept her "to get-to box."14               On another occasion, Tobin
    stopped to ask Salmon if she was okay, after spotting her speaking
    to an upset student in the hallway.                 Although Salmon had raised
    concerns    to    Tobin   regarding       "increased       staffing    and      improved
    monitoring of students" prior to these events, there is no evidence
    to support a reasonable inference that the latter had anything to
    do with the former.         Cf. McGunigle, 835 F.3d at 204 (fact that
    adverse    action      happened    after       protected    speech    is   not    alone
    sufficient to support retaliation claim).                    In any event, these
    isolated examples of Tobin's general supervision over Salmon as a
    teacher    in    her   school     --    even    taken   collectively       --    had   no
    discernable impact on Salmon's work conditions that would deter a
    reasonably       hardy    person       from    continuing     to     exercise     their
    constitutional rights.          Cf. Alston v. Spiegel, 
    988 F.3d 564
    , 577
    (1st Cir. 2021) (affirming dismissal of retaliation claim where
    "two unconnected events described in the [complaint] [could not]
    plausibly be characterized as a campaign of harassment sufficient
    to chill the speech of a 'reasonably hardy individual[]'" (quoting
    Agosto-de-Feliciano, 
    889 F.2d at 1217
    )); McKee v. Hart, 
    436 F.3d 14
     Tobin testified that the email was not meant "to be
    displayed"   to   others,   was   posted   among   calendars   and
    "inspirational poems," and that anyone entering her office would
    only notice the email if they "pilfer[ed] through" her things.
    There is also no evidence that the email was disparaging to Salmon
    in any way.
    - 29 -
    165, 173 (3d Cir. 2006) ("[C]ourts have not found violations of
    employees' First Amendment rights 'where the employer's alleged
    retaliatory acts were criticism, false accusations, or verbal
    reprimands.'") (quoting Brennan v. Norton, 
    350 F.3d 399
    , 419 (3d
    Cir. 2003).
    Moreover, even if it were unusual for Tobin to indirectly
    supervise Salmon by asking other teachers about her volunteer
    activity in their classrooms, and even assuming that Tobin's
    January 2018 comment was a veiled remark directed at Salmon, these
    collective actions similarly fail to satisfy Salmon's burden.
    There is no evidence from which one could reasonably find or infer
    that these "actions result[ed] in a work situation 'unreasonably
    inferior' to the norm for the position" or would have deterred a
    reasonably hardy individual.     Agosto-de-Feliciano, 
    889 F.2d at 1218
    .15
    15 Compare Welch v. Ciampa, 
    542 F.3d 927
    , 936-38 (1st Cir.
    2008) (affirming summary judgment where alleged campaign of
    "informal harassment" did not result in unreasonable work
    conditions) and McKee, 436 F.3d at 170-71 (supervisor's three
    comments criticizing plaintiff's job performance, without more,
    were too trivial to deter a person of ordinary firmness from
    exercising First Amendment rights), with Rivera-Jiménez v.
    Pierluisi, 
    362 F.3d 87
    , 94-95 (1st Cir. 2004) (retaliatory
    harassment,   including   "denial  of   special   benefits  and
    assignments," was sufficiently adverse to form basis for First
    Amendment claim), and Coszalter v. City of Salem, 
    320 F.3d 968
    ,
    976–77 (9th Cir. 2003) (campaign of retaliatory acts, including
    disciplinary investigation, change in duties, and verbal
    harassment and humiliation, was sufficient to support First
    Amendment claim).
    - 30 -
    B.   MCRA & MWA Claims
    Salmon next challenges the district court's disposition
    of her MCRA claims against Lang and Tobin and of her MWA claim
    against the Town of Chelmsford.   Her MCRA claims are based on the
    same conduct by Lang and Tobin discussed above, whereas her MWA
    claim is based on her 2018 transfer denials, which she contends
    were motivated by her heating-issue complaints to Fredette and
    McPhee.   We address each in turn, concluding that all three claims
    fail at the summary judgment stage.
    1.    MCRA Claims
    To prevail under the MCRA, Salmon must show that "(1)
    [her] exercise or enjoyment of rights secured by the Constitution
    or laws of either the United States or of the Commonwealth (2) has
    been interfered with, or attempted to be interfered with, and (3)
    that the interference or attempted interference was by threats,
    intimidation or coercion."    McGunigle, 835 F.3d at 205 (quoting
    Bally v. Ne. Univ., 
    532 N.E.2d 49
    , 51-52 (Mass. 1989)); see Mass.
    Gen. Laws ch. 12, § 11H.16    Whether conduct amounts to threats,
    16 In this context, a "'threat' means 'the intentional
    exertion of pressure to make another fearful or apprehensive of
    injury or harm'; 'intimidation' means 'putting in fear for the
    purpose of compelling or deterring conduct'; and 'coercion' means
    'the application to another of such force, either physical or
    moral, as to constrain him to do against his will something he
    would not otherwise have done.'" Thomas v. Harrington, 
    909 F.3d 483
    , 492 (1st Cir. 2018) (quoting Planned Parenthood League of
    Mass., Inc. v. Blake, 
    631 N.E.2d 985
    , 990 (Mass. 1994)).
    - 31 -
    intimidation,    or   coercion   is    assessed   under   an   objective,
    "reasonable person" standard.         See Planned Parenthood League of
    Massachusetts, Inc. v. Blake, 
    631 N.E.2d 985
    , 990-91 (Mass. 1994).
    Non-physical coercion rarely supports a basis for recovery under
    the MCRA.     See Thomas v. Harrington, 
    909 F.3d 483
    , 492-93 (1st
    Cir. 2018).    Where it has, "Massachusetts courts have required 'a
    pattern of harassment and intimidation.'"         
    Id.
     (quoting Howcroft
    v. City of Peabody, 
    747 N.E.2d 729
    , 746 (Mass. App. Ct. 2001))
    (finding repeated verbal harassment, relocation of work site, and
    multiple failed attempts to suspend plaintiff without pay and
    deprive him of benefits supported a MCRA claim)).
    Here, we agree with the district court that Salmon has
    failed to identify any threats, intimidation, or coercion by Tobin
    or Lang sufficient to support her MCRA claims.17               As already
    discussed, Tobin's various actions towards Salmon were too trivial
    to constitute a pattern of harassment or intimidation sufficient
    to deter an ordinary person from exercising her freedom of speech.
    17  This assumes that the alleged "interference" was
    interference   with    Salmon's   continued   exercise    of   her
    constitutional rights, i.e., union advocacy.      Salmon does not
    specifically address this point. To the extent she claims that
    the interfered-right was her right to be free from First Amendment
    retaliation, her claim fails for the independent reasons discussed
    above, as evidence was insufficient to show causation for the
    retaliatory claim against Lang, or any adverse employment action
    for the claim against Tobin.     See McGunigle, 835 F.3d at 205
    (affirming summary judgment against MCRA claims where evidence was
    insufficient to prove his § 1983 retaliation claim).
    - 32 -
    Salmon's conclusory allegations to the contrary cannot save her
    claim.     See Canney v. City of Chelsea, 
    925 F. Supp. 58
    , 70 (D.
    Mass. 1996) ("[M]ere recitals of boilerplate claims of 'threats,
    intimidation, or coercion' do not meet the requirements of [MCRA]
    pleading." (citing Hobson v. McLean Hosp. Corp., 
    522 N.E.2d 975
    ,
    978 (Mass. 1988))).
    For her claim against Lang, Salmon points only to his
    request to have her escorted from the school building by a plain-
    clothes officer following the November 22 incident.                Although the
    district    court    found,    at   the   motion    to   dismiss    stage,   that
    "allegations that Lang [] directed a police officer to remove her
    from the school building . . . [i]f proven . . . would amount to
    intimidation or coercion," Salmon v. Lang, 
    2019 WL 6496844
     (D.
    Mass. Dec. 3, 2019), evidence of "physical force" or "unwarranted
    'heavy-handed       use   of   police     power'"    was    not    subsequently
    developed, see Brunelle v. Lynn Pub. Schs., 183-84, 
    740 N.E.2d 625
    , 628-29 (Mass. 2001) (holding that the filing of a criminal
    complaint is not "intimidation or coercion" within the meaning of
    the MCRA, where defendant did not use "physical force" or "an
    unwarranted 'heavy-handed use of police power'").18                Rather, it is
    18 In denying Lang's motion to dismiss Salmon's MCRA claims
    on this ground, the district court cited only to Batchelder v.
    Allied Stores Corp., 
    473 N.E.2d 1128
     (Mass. 1985).      There, the
    Massachusetts Supreme Judicial Court ("SJC") held that an
    "order[]" from a "uniformed security officer" to stop distributing
    political handbills at a mall was sufficient intimidation or
    - 33 -
    undisputed that Lang requested the police escort not to punish or
    deter Salmon from continuing her union advocacy, but to avoid any
    further disturbance after Lang gave her an opportunity to collect
    her things and leave on her own.    Salmon does not dispute that, as
    the Superintendent, Lang was authorized to send her home that day.
    Nothing in the record discredits Lang's explanation that he wanted
    Salmon to leave before her students arrived, because she was
    "visibly upset," and that assistance from the police would help
    expedite her departure.   The escort that transpired was discreet
    and cooperative, as Salmon and a co-worker followed the officer
    out the back door of the school.
    Importantly, there is no evidence that physical force
    was ever threatened or utilized.       Lang's requested escort was
    simply not the "perp walk" that Salmon alleged in her complaint,
    and there is no evidence that it caused Salmon to abandon her union
    advocacy efforts, in any event.    See Thomas, 909 F.3d at 493 ("[B]y
    itself, a threat to use lawful means to reach an intended result
    is not actionable under [the MCRA]." (alteration in original)
    coercion under the MCRA.      Id. at 823, 1131.      The SJC later
    clarified, however, that the Batchelder holding "turned on the
    threat of immediate arrest or forcible ejection implicit within"
    such an "order." See Glovsky v. Roche Bros. Supermarkets, Inc.,
    
    17 N.E.3d 1026
    , 1035-36 (Mass. 2014).      It has since determined
    that MCRA claims based on police intervention are not actionable
    without some showing of physical force or an actual and unwarranted
    threat of arrest, or "other serious adverse consequences." See,
    e.g., Glovsky, 17 N.E.3d at 1036; Brunelle, 740 N.E.2d at 629. As
    we discuss, such circumstances are absent here.
    - 34 -
    (quoting Buster v. George W. Moore, Inc., 
    783 N.E.2d 399
    , 411
    (Mass. 2003)).   As we have repeatedly stated, "'the exception for
    MCRA claims based on non-physical coercion remains a narrow one,'
    and it should not be invoked unless the record 'resembles the sort
    of physical, moral, or economic pressure that courts have found
    sufficient to support a claim under this statute."      Thomas, 909
    F.3d at 493 (cleaned up) (quoting Meuser v. Fed. Express Corp.,
    
    564 F.3d 507
    , 519 (1st Cir. 2009)); see also Bally, 532 N.E.2d at
    53 (explaining that MCRA claims typically require proof of "a
    threat of serious harm" or physical force).      As with her claims
    against Tobin, the fact that Salmon "subjectively may have felt
    'threatened' or 'intimidated'" by the officer's involvement "does
    not suffice" to support her MCRA claim.   See Glovsky v. Roche Bros.
    Supermarkets, Inc., 
    17 N.E.3d 1026
    , 1037 (Mass. 2014).    And where
    the "natural effect" of the defendant's action "could not, and did
    not, have an impact on the plaintiff[] in the exercise of [a
    discernable] right," as is the case here, an MCRA claim cannot
    survive.   See Brunelle, 740 N.E.2d at 628-29.
    2.    MWA Claim
    Having found above that Salmon has adduced insufficient
    facts to survive summary judgment on her § 1983 claims against
    Fredette and McPhee, we can make short work of her MWA claim
    against the Town of Chelmsford.   To prevail under the MWA, Salmon
    must prove that (1) she "engaged in an activity protected by the
    - 35 -
    [MWA]," such as the disclosure of an unlawful or unsafe activity,
    policy, or practice of her employer; "(2) the protected activity
    was the cause of an adverse employment action, such that the
    employment action was retaliatory; and (3) the retaliatory action
    caused [her] damages."19        See Edwards v. Commonwealth, 
    174 N.E.3d 1153
    , 1166 (Mass. 2021) (citing Mass. Gen. Laws. ch. 149, § 185
    (b)). To establish causation under the second element, a plaintiff
    must show that a retaliatory animus "was a 'determinative' or 'but
    for' cause of an adverse employment action, even if it was not
    'the only cause.'"           Edwards,   174 N.E.3d at 1168-69      (quoting
    Lipchitz v. Raytheon Co., 
    751 N.E.2d 360
    , 371 n.19 (Mass. 2001)).
    Here, Salmon contends that her complaints of classroom-
    temperature issues in 2016 and 2017 -- which she "reasonably
    believe[d] pose[d] a risk to public health [or] safety," see 
    Mass. Gen. Laws ch. 149, § 185
    (b)(1)   --   were   a   "substantial   and
    motivating factor" in the 2018 denial of her transfer requests by
    Fredette and McPhee.20       As discussed in some detail above, however,
    Additionally, "to qualify for protection under section
    19
    185(b)(1), . . . an employee must first 'br[ing] the activity,
    policy or practice . . . to the attention of a supervisor of the
    employee by written notice and . . . afford[] the employer a
    reasonable opportunity to correct the activity, policy or
    practice."   Pierce, 741 F.3d at 303 (alterations in original)
    (quoting 
    Mass. Gen. Laws ch. 149, § 185
    (c)(1)). The defendants do
    not make any argument with respect to this requirement.
    We have previously observed that "a plaintiff's burden of
    20
    proof under the MWA closely parallels his burden for First
    Amendment discrimination under Mt. Healthy." See Pierce, 741 F.3d
    at 303. More recently, however, the SJC has clarified that the
    - 36 -
    she has failed to adduce sufficient evidence that this activity
    was a "but for" cause of her transfer denials.     Accordingly, her
    MWA claim fails.21
    C.   Defamation Claims
    Lastly, Salmon challenges entry of summary judgment with
    respect to two allegedly defamatory social media comments made by
    Moses, a School Committee member.     In a string of Facebook posts
    among community members discussing the November 22 incident, Moses
    wrote that "[Salmon] called [Tobin] a coward," and that "[Salmon]
    brought [Blanchet] into a school building, without permission, who
    "determinative cause standard," which is applicable in employment
    discrimination cases under Mass. Gen. Laws ch. 151B, § 4, should
    be used to assess MWA claims in lieu of the "substantial or
    motivating factor" standard used under federal law. See Edwards,
    174 N.E.3d at 1168. For the purposes of Salmon's case, we need
    not consider the potential differences between the respective
    state and federal standards. Under either formulation, Salmon is
    required to produce evidence that her protected activity was a
    "but for" cause of the adverse employment action taken against
    her.   Compare Edwards, 174 N.E.3d at 1169 ("[A] 'determinative
    cause' of an adverse employment decision is a 'but for' cause."),
    with Davignon, 
    524 F.3d at 106
     (explaining that under Mt. Healthy,
    "the plaintiff must [first] show that the employer would not have
    taken adverse action but for the plaintiff's speech") (emphasis
    added). In this respect, the parallel between the two standards
    remains apparent.
    21Because Salmon's MWA claim fails for lack of causation, we
    need not consider whether the district court erred in determining
    that her MWA claim independently fails because her heating-issue
    disclosures did not amount to a disclosure of an employer practice
    "in violation of law." Salmon, 
    2021 WL 294512
    , at *8. That said,
    we note that her disclosures might support a MWA claim as a
    "practice . . . the employee reasonably believes poses a risk to
    public health, safety, or the environment." 
    Mass. Gen. Laws ch. 149, § 185
    (b)(1).
    - 37 -
    then assaulted a staff member while children were in the school."
    The district court disposed of these claims on the grounds that
    neither statement was actionable as defamation, finding that the
    first was "substantially true" and that the second was not "of and
    concerning" Salmon.     See Salmon, 
    2021 WL 294512
    , at *8-9.                For the
    reasons   discussed    below,    we    agree   with   the    district       court's
    assessment of the first of these statements and affirm its holding
    as to the second on alternative grounds.          See McGrath, 757 F.3d at
    25.
    To prevail on a claim of defamation under Massachusetts
    law, a "plaintiff must establish that the defendant published 'a
    false statement regarding the plaintiff, capable of damaging the
    plaintiff's   reputation    in     the   community,    which       either    caused
    economic loss or is actionable without proof of economic loss.'"
    Zeigler v. Rater, 
    939 F.3d 385
    , 392 (1st Cir. 2019) (quoting White
    v. Blue Cross & Blue Shield of Mass., Inc., 
    809 N.E.2d 1034
    , 1036
    (Mass. 2004)).   "[T]o be actionable, the statement must be one of
    fact rather than of opinion."            Scholz v. Delp, 
    41 N.E.3d 38
    , 45
    (Mass. 2015); see King v. Globe Newspaper Co., 
    512 N.E.2d 241
    , 243
    (Mass. 1987) ("Statements of pure opinion are constitutionally
    protected.").         Similarly,      "'[s]tatements        that     are     merely
    "rhetorical hyperbole," or which express a "subjective view," are
    not statements of actual fact.'"          Lawless v. Estrella, 
    160 N.E.3d 1253
    , 1257 (Mass. App. Ct. 2020) (quoting Kelleher v. Lowell Gen.
    - 38 -
    Hosp., 
    152 N.E.3d 126
    , 132 (Mass. App. Ct. 2020)).                 "Whether a
    statement is a factual assertion or an opinion is a question of
    law 'if the statement unambiguously constitutes either fact or
    opinion,' and a question of fact 'if the statement reasonably can
    be understood both ways.'"       Scholz, 41 N.E.3d at 45 (quoting King,
    512 N.E.2d at 244).       A factual statement must also either be false
    or made with "actual malice" to support a claim.               See Noonan v.
    Staples, Inc., 
    556 F.3d 20
    , 26 (1st Cir. 2009).            But it "need not
    state the precise truth" to be nonactionable. Reilly v. Associated
    Press,    
    797 N.E.2d 1204
    ,   1211   (Mass.    App.   Ct.   2003)   (citing
    Dulgarian v. Stone, 
    652 N.E.2d 603
    , 607 (Mass. 1995)).                 "When a
    statement is substantially true, a minor inaccuracy will not
    support a defamation claim."            Lawless, 160 N.E.3d at 1257-58
    (quoting Reilly, 797 N.E.2d at 1211).            See Noonan, 
    556 F.3d at 28
    (noting   that,   under    Massachusetts    law,    an   alleged   defamatory
    statement that is "substantially true" is nonactionable).
    1.     Statement #1: "[Salmon] called [Tobin] a coward."
    First, Salmon contends that the district court erred in
    finding that Moses's first comment -- i.e., "[Salmon] called
    [Tobin] a coward" -- was "substantially true."             To be sure, this
    statement is technically false.          Salmon did not call Principal
    Tobin a coward, but instead told Reese that her "unwillingness to
    have a conversation about solutions [was] cowardly."               However, we
    agree with the district court that, notwithstanding this "minor
    - 39 -
    inaccuracy," see Salmon, 
    2021 WL 294512
    , at *8, the "tenor" of
    Moses's     account   of     Salmon's     email    was   substantially    true,
    particularly "when considered in the context in which it was
    [made]," as we must, see Dulgarian, 652 N.E.2d at 607.
    Indeed, Moses's statement was made in response to a
    question from another commenter regarding the "supposed process"
    used to address teacher concerns in a case in which "the Principal
    refuses to even meet."        Moses replied that "the Principal offered
    to meet directly with the teacher.            After [Salmon] called her a
    coward, of course."
    Salmon has not expressly articulated how this remark
    could cause her reputational harm.                Assuming it could,22 Salmon
    calling her school's principal a "coward" in this context has the
    same defamatory effect as her calling any other school official
    "cowardly."      See, e.g., Veilleux v. Nat'l Broad. Co., 
    206 F.3d 92
    ,
    108 (1st Cir. 2000) ("Where a defendant alters a speaker's words
    but effects no material change in meaning, the speaker suffers no
    injury    to    reputation    that   is   compensable     under   the    law   of
    defamation." (citing Masson v. New Yorker Mag., 
    501 U.S. 496
    , 516
    (1991))).      In either case, the only apparent defamatory effect is
    that Salmon expressed contempt or disrespect towards the school
    22 For instance, Massachusetts courts have found that
    "[s]tatements suggesting that one lacks a necessary professional
    characteristic are defamatory." Reilly, 797 N.E.2d at 1216.
    - 40 -
    officials with whom she had requested to meet.              To which official
    she specifically directed this insult is not material to how a
    reasonable reader would understand Moses's statement describing
    it.   Cf. Locke v. WHDH-TV, Inc., 
    22 N.E.3d 177
     (Table), 
    2014 WL 7334096
    , at *1-2 (Mass. App. Ct. Dec. 23, 2014) (unpublished)
    (affirming summary judgment where the "gist and defamatory sting
    of    [plaintiff's]      actions . . . and         [defendant's       statements
    describing them] were substantially similar"); Waters v. Kearney,
    
    173 N.E.3d 57
     (Table), 
    2021 WL 3671276
    , at *5-6 (Mass. App. Ct.
    Aug. 19, 2021) (unpublished) (statement that plaintiff was "found
    not   guilty,"      where,   in   fact,    the    charges   against    him   were
    dismissed,    was    "substantially       true"   and   could   not   support   a
    defamation claim);       Boyle v. Cape Cod. Times, 
    959 N.E.2d 457
    (Table), 
    2012 WL 28661
    , at *2 (Mass. App. Ct. Jan. 6, 2012)
    (unpublished)    (affirming summary judgment on defamation claim
    based on finding of "minor factual discrepancies").              Thus, summary
    judgment as to this statement was appropriate where Salmon "had no
    reasonable expectation" of proving the statement to be materially
    false.     See Dulgarian, 652 N.E.2d at 607.23
    Salmon argues that the question of whether a statement is
    23
    substantially true, even if technically inaccurate, is only
    relevant in the context of the "fair reporting privilege," which
    no one suggests applies here. See, e.g., Elm Med. Lab'y, Inc. v.
    RKO Gen., Inc., 
    532 N.E.2d 675
    , 678 (Mass. 1989) (explaining that
    the "fair reporting privilege" allows news media "who fairly and
    accurately report certain types of official or governmental action
    to be immune from liability for claims arising out of such
    - 41 -
    2.   Statement #2: "[Blanchet] assaulted a staff member while
    the children were in school."
    Next, Salmon argues that the district court erred in
    finding that Moses's comment that Blanchet "assaulted a staff
    member while children were in school" was not "of and concerning"
    Salmon, and therefore not actionable. She argues that the district
    court took this statement out of context, and that the full context
    of the statement -- and full chain of posts, which at times refer
    to Salmon by name -- make clear that Salmon was identified as the
    person who brought Blanchet into the building, i.e., "[a] Union
    Officer brought a Union Representative into a school building,
    reports"); see also Jones v. Taibbi, 
    512 N.E.2d 260
    , 266 (Mass.
    1987). Her argument is unavailing, as Massachusetts courts have
    separately recognized, outside the fair-reporting context, that "a
    minor inaccuracy will not support a defamation claim" when a
    statement is substantially true. See, e.g., Reilly, at 79 N.E.2d
    at 1210; see also Murphy v. Bos. Herald, Inc., 
    865 N.E.2d 746
    , 754
    n.10 (Mass. 2007) (approving jury instruction for defamation claim
    stating that "minor errors that do not change the readers'
    understanding of its words, do not make the statement false");
    Dulgarian, 652 N.E.2d at 607 (affirming summary judgement for
    defamation-defendant despite minor factual inaccuracies where the
    statements were "essentially correct" and the "tenor of the report
    was accurate," when "viewed as a whole"). This is also consistent
    with more widely recognized principles of defamation law. See,
    e.g., Masson, 
    501 U.S. at 517
     ("[A] statement is not considered
    false unless it would have a different effect on the mind of the
    reader from that which the pleaded truth would have produced."
    (internal quotes and cites omitted)); Restatement (Second) of
    Torts § 581A cmt. f (1977) ("[I]t is not necessary to establish
    the literal truth of the precise statement made.            Slight
    inaccuracies of expression are immaterial provided the defamatory
    charge is true in substance.").
    - 42 -
    without    permission,        who    then    assaulted   a   staff     member      while
    children were in the school."
    As an initial matter, we agree with Salmon that this
    statement could be reasonably understood to refer to her.                           See,
    e.g., Yong Li v. Yanling Zeng, 
    159 N.E.3d 199
    , 203–04 (Mass. App.
    Ct. 2020) (explaining that the "of and concerning" test is met if
    readers of statement "could reasonably interpret the defendant's
    words to refer to the plaintiff" (quoting ELM Med. Lab'y, Inc. v.
    RKO Gen., Inc., 
    532 N.E.2d 675
    , 679 (Mass. 1989))).                    A reasonable
    jury     could     conclude     that        Moses's   comment    was,       at    least
    tangentially, "of and concerning" Salmon, insofar as it identifies
    involvement       of   "[a]    union      leader"     that   brought    an       alleged
    "assault[er]" into the building.                   In an earlier comment, Moses
    referred to the teacher who demanded the meeting as "Jen," and
    other commenters in the chain of posts had previously referred to
    the "union leader" as "Ms. Salmon."                Given the full context of the
    Facebook-comment       thread       and   the   audience,    Salmon     was      readily
    identifiable from Moses's use of "union leader."                           See, e.g.,
    Reilly, at 797 N.E.2d at 1215-16 (jury could reasonably find that
    defamatory       statements    not     expressly      "aimed"   at   the     plaintiff
    "could    be     understood     to    'hit'     [him]"    through     innuendo      and
    "interlaced . . . references to [the plaintiff]").
    Summary judgment in Moses's favor is still appropriate,
    however, because the false, factual components of this statement
    - 43 -
    are not defamatory as to Salmon.          "[W]hether a communication is
    reasonably susceptible of a defamatory meaning, is a question of
    law for the court."      Phelan v. May Dep't Stores Co., 
    819 N.E.2d 550
    , 554 (Mass. 2004).         In determining whether a statement is
    factual    or   inactionable   opinion,    a   court    must   "examine    the
    statement in its totality in the context in which it was uttered
    or published," and "must consider all the words used, not merely
    a particular phrase or sentence."         See Scholz, 41 N.E.3d at 45-46
    (quoting Cole v. Westinghouse Broad. Co., 
    435 N.E.2d 1021
    , 1025
    (Mass. 1982)).    Relevant factors to consider include "the specific
    language   used,"   "whether    the   statement   is     verifiable,"     "the
    general context of the statement," and "the broader context in
    which the statement appeared."        
    Id. at 46
     (quoting Milkovich v.
    Lorain Journal Co., 
    497 U.S. 1
    , 9 (1990)).             "If it is plain that
    the speaker is expressing a subjective view, an interpretation, a
    theory, conjecture, or surmise, the statement is not actionable."
    
    Id.
     (cleaned up).       Where facts are mixed with, or offered to
    support an opinion, those facts must be defamatory as to the
    plaintiff to be actionable.           See 
    id. at 49
     (concluding that
    recitation of stress-inducing events that preceded a man's suicide
    were factual, but not defamatory to the plaintiff that purportedly
    caused those events, and therefore not actionable); McKee, 874
    F.3d at 61 ("[An opinion] is 'immunized' so long as the speaker
    - 44 -
    discloses all of the facts undergirding it and none of them are
    both false and defamatory[.]").
    Here,   Moses's   comment   must   be    looked      at   in   its
    entirety.24       See, e.g., Cole, 435 N.E.2d at 1025.            Although it
    contains factual assertions that are either disputed -- i.e., that
    Blanchet "assaulted" Tobin -- or perhaps overstated -- e.g., "while
    children were in the school" -- these statements are not defamatory
    as to Salmon.      See Scholz, 41 N.E.3d at 45-46, 49; Yohe v. Nugent,
    
    321 F.3d 35
    , 40-41 (1st Cir. 2003) ("[I]naccuracy by itself does
    not   make    a    statement   defamatory.").        The   only    defamatory
    24Moses full comment, made in the context of a discussion
    about the November 22 incident, consisted of the following:
    I want to be clear.    A Union Officer brought a Union
    Representative   into   a   school   building,   without
    permission, who then assaulted a staff member while
    children were in the school. The secretary was so scared
    she was whispering for help into the phone when she
    answered a call at her desk. The busses had to be routed
    around police cruisers so the children could go into the
    school. Not a single care has been given to Mrs. Tobin,
    an 18 year teacher and 18 year principal in Billerica.
    None. Not a single thought has gone into how SERIOUS a
    danger your children could be in from the actions of an
    adult who tried to bully a woman.      The Union has no
    rights for administrative process, or to confidential
    information. And in demanding it and not following the
    rules there was actual, real danger brought into the
    Harrington Hallways. Then, on Chelmsford News I stood
    by while people turned a 6 year old boy into a mythical
    monster in order to excuse all of the above actions.
    There was enough information in those discussions to
    single out a child (and yes, some people figured out who
    the child is). I want you all to think about that, a 6
    year old was outed to excuse a mistake.
    - 45 -
    connotation that Salmon reasonably alleges is that the comment
    implies Salmon was responsible for bringing this "assaulter" into
    the school and endangering children.            The fact that Salmon brought
    Blanchet into the school is indisputably true.                  As is the fact
    that at least Salmon's children were in the building at the time.
    The implication that Salmon was responsible for Blanchet's ensuing
    conduct is pure opinion.           It reflects Moses's "subjective views"
    as to the sequence of events, potential danger posed to staff and
    students, and Salmon's blameworthiness.               It is not a "verifiable
    fact[]."    See Scholz, 41 N.E.3d at 46; Lawless, 160 N.E.3d at 1257
    (statements     of   "rhetorical       hyperbole,      or   which   express    a
    subjective    view   are    not    statements    of    actual   fact"   and   are
    therefore not actionable as defamatory (internal quotes and cites
    omitted)).    Cf. Greenbelt Co-op. Publ'g Ass'n v. Bresler, 
    398 U.S. 6
    , 13-14 (1970) (holding that use of the word "blackmail" to
    describe plaintiff's negotiating position could not be understood
    as a statement of fact); Reilly, 797 N.E.2d at 1213-14 (statement
    "suggesting"     that      third     party    "suspected"       plaintiff     was
    "responsible" for a missing medical file was protected opinion
    based upon disclosed nondefamatory fact that the file was indeed
    missing).     Read in its full context, Moses's statement, at most,
    amounts to his own "personal conclusions about the information
    presented."    See Piccone v. Bartels, 
    785 F.3d 766
    , 774 (1st Cir.
    2015) (cleaned up) (quoting Phantom Touring v. Affiliated Publ'ns,
    - 46 -
    
    953 F.2d 724
    , 730 (1st Cir. 1992)).           Where, as here, "the speaker
    'outlines the facts available to him, thus making it clear that
    the challenged statements represent his own interpretation of
    those facts and leaving the [listener] free to draw his own
    conclusions,'" a claim of defamation cannot survive.            See Piccone,
    785 F.3d at 774 (quoting Riley v. Harr, 
    292 F.3d 282
    , 289 (1st
    Cir. 2002)).
    III.   DENIAL OF MOTION FOR LEAVE TO AMEND
    Next, we turn to Salmon's appeal of the district court's
    orders denying her requests to have her amended MWA claim "relate
    back" to the date of original filing, which were raised in a motion
    for leave to amend and then a motion for reconsideration.                 The
    thrust of Salmon's argument is that state relation-back law should
    have applied rather than the more restrictive rule under Federal
    Rule of Procedure 15(c)(1)(C).       We review both orders for abuse of
    discretion.      See U.S. ex rel. Ge v. Takeda Pharm. Co. Ltd., 
    737 F.3d 116
    , 127 (1st Cir. 2013).        In so doing, we are mindful that
    "[t]he granting of a motion for reconsideration is an extraordinary
    remedy which should be used sparingly."              
    Id.
     (quoting Palmer v.
    Champion Mortg., 
    465 F.3d 24
    , 30 (1st Cir. 2006)) (other quotes
    and   cites    omitted).     The   moving    party    "must   either   clearly
    establish a manifest error of law or must present newly discovered
    evidence" to warrant such relief.           
    Id.
     (internal quotes and cites
    omitted); see also Caribbean Mgmt. Grp. V. Erikon LLC, 966 F.3d
    - 47 -
    35, 44-45 (1st Cir. 2020).    For the reasons discussed, we find no
    abuse of discretion.
    A.
    In February 2020, Salmon sought leave to file a second
    amended complaint ("SAC") to add a new a claim -- under the MWA,
    against a new defendant, the Town of Chelmsford -- and have it
    relate back to the original date of filing, June 2019.       Her only
    argument to justify relation back was that the new claim "arose
    out of the conduct, transaction, or occurrence set out . . . in
    the original complaint," citing Federal Rule of Civil Procedure
    15(c) without further argument.    Cf. Fed. R. Civ. P. 15(c)(1)(B);
    see Mot. for Leave to File Second Am. Compl. at 3, Salmon v. Lang,
    No. 19-cv-11378 (D. Mass. Feb. 19, 2020), Dkt. No. 31.              The
    district   court   rejected   Salmon's   relation-back   argument   and
    allowed her motion only insofar as the new claim alleged adverse
    action occurring within the MWA's two-year limitations period,
    i.e., back to February 2018.25    The district court concluded that
    Salmon's new claim failed to satisfy the relation-back requirement
    under Federal Rule 15(c)(1)(C), because it was motivated purely by
    a new legal theory rather than mistake concerning the proper
    defendant's identity.    See Krupski v. Costa Crociere, S.p.A., 560
    25 As a practical matter, this allowed Salmon to include
    allegations underlying her transfer-request denials, in summer
    2018, but precluded her from seeking redress for other alleged
    adverse actions dating back to the November 22, 2017 incident.
    - 48 -
    U.S. 538, 552 (2010) (requirements for relation back under Rule
    15(c)(1)(C)(ii)   not   satisfied   where   "failure   to   name   the
    prospective defendant in original complaint was the result of a
    fully informed decision as opposed to a mistake concerning the
    proper defendant's identity").
    Salmon timely moved for reconsideration under Rule 60,
    arguing -- for the first time -- that relation back was permitted
    under Federal Rule 15(c)(1)(A), because the "law that provides the
    applicable statute of limitations," here Massachusetts, "allows
    relation back."   See Mass. R. Civ. P. 15(c) (allowing for relation
    back for any claim arising out of the same "conduct, transaction,
    or occurrence" set forth in original pleading).    Salmon also cited
    several district court diversity cases holding that, under Federal
    Rule 15(c)(1)(A), the less-restrictive Massachusetts Rule 15(c)
    "displaces" the more-restrictive Federal Rule 15(c)(1)(C) to allow
    for relation back of state-law claims, notwithstanding her failure
    to show mistaken-identity.26
    26For instance, in Abernathy v. Dewey, the court held that
    whether a diversity-plaintiff's "state-law claims relate back is
    an issue of Massachusetts law," relying, in part, upon our
    observation, in Morel v. Daimler-Chrysler AG, 
    565 F.3d 20
    , 26 (1st
    Cir. 2009), that "Rule 15(c)(1)(A) 'cements in place a one-way
    ratchet; less restrictive state relation-back rules will displace
    federal relation-back rules, but more restrictive state-relation
    back rules will not.'" Abernathy v. Dewey, 
    277 F. Supp. 3d 129
    ,
    137-38 (D. Mass. 2017); see also Cayo v. Fitzpatrick, 
    95 F. Supp. 3d 8
    , 13 (D. Mass. 2015) (same, in diversity case); Labrador v.
    Indus. Contractors' Supplies, Inc., No. 13-cv-13029, 
    2015 WL 5737141
    , at *2 (D. Mass. Sept. 30, 2015) (same, in diversity case).
    - 49 -
    The district court denied Salmon's motion in a brief
    written order.        The court agreed that the Massachusetts rule was
    less restrictive, as it granted broader discretion over relation
    back, but determined that Federal Rule 15(c)(1)(A) does not require
    a court to apply state relation-back rules in a "non-diversity
    case . . . when doing so would contradict the terms of Fed. R.
    Civ. P. 15(c)(1)(C)."             See Electronic Order, Salmon, No. 19-cv-
    11378 (D. Mass. Feb. 25, 2020), Dkt. No. 34.                The court went on to
    distinguish the cases cited by Salmon, finding that their reliance
    on dictum from our decision in Morel was unpersuasive, particularly
    in the non-diversity context.             Id.; see Morel v. Daimler-Chrysler
    AG,   
    565 F.3d 20
    ,     26   (1st    Cir.    2009)   (observing    that    Rule
    15(c)(1)(A) "cements in place a one-way ratchet; less restrictive
    state relation-back rules will displace federal relation-back
    rules,      but   more      restrictive    state    relation-back      rules    will
    not.'").      As the district court aptly noted, the Morel case did
    not require construction of Rule 15(c)(1)(A) and it did not purport
    to definitively engage with it. Rather, it determined that Morel's
    holding was based on a determination that Rule 15(c)(1)(C) "applies
    in a diversity case notwithstanding the incidence of a                          more
    restrictive         state     rule"      because     Rule    15(c)     is      of    a
    "quintessentially procedural nature" and compliant with the Rules
    Enabling Act.       See Morel, 
    565 F.3d at 24-25
     (emphasis added).                  The
    district court reasoned that, because Federal Rule 15(c)(1)(C)
    - 50 -
    imposes "specific limitations governing when 'an amendment changes
    the party or the naming of the party against whom a claim is
    asserted'"     and       Salmon's       suit     was    not   premised    on   diversity
    jurisdiction,           the    federal      procedural        rule    controls.      See
    Electronic Order, No. 19-cv-11378, Dkt. No. 34. To hold otherwise,
    the district court determined, would risk neglecting its "inherent
    power" to "bring about uniformity in the federal courts" and
    potentially intrude upon the separation of powers embodied in the
    Rules Enabling Act.            
    Id.
     (quoting Hanna v. Plummer, 
    380 U.S. 460
    ,
    472-73 (1965)).
    B.
    "[I]t is settled beyond hope of contradiction that, at
    least in the absence of exceptional circumstances, a party may not
    advance new arguments in a motion for reconsideration when such
    arguments could and should have been advanced at an earlier stage
    of the litigation."              Caribbean Mgmt. Grp., 966 F.3d at 45; see
    also Coons v. Indus. Knife Co., 
    620 F.3d 38
    , 44 (1st Cir. 2010).
    Here,     Salmon        failed     to    raise     any    argument      involving    Rule
    15(c)(1)(A)        in    her     original      motion    to   amend.      Instead,   she
    addressed only the "freely given" standard, generally applicable
    under Rule 15(a), and the discrete requirement under Federal Rule
    15(c)(1)(B)-(C) that limits relation back to new claims arising
    out     of   the    same       "conduct,       transaction,      or    occurrence    set
    out . . . in        the       original      pleading."         "We     have    frequently
    - 51 -
    emphasized that judges are not obligated to do a party's work for
    him, 'searching sua sponte for issues that may be lurking in the
    penumbra of the motion papers.'"         Coons, 
    620 F.3d at 44
     (quoting
    United States v. Slade, 
    980 F.2d 27
    , 31 (1st Cir. 1992)).                "This
    is particularly true where, as here, the underdeveloped argument
    raises complexities that defy an easy answer."               Id.; see, e.g.,
    Pessotti v. Eagle Mfg. Co., 
    946 F.2d 974
    , 977-78, 980 (1st Cir.
    1991) (discussing some of the difficulties that arise when a
    federal   court   is   asked   to   apply    Massachusetts    relation   back
    doctrine).
    Under these circumstances, we cannot conclude that the
    district court abused its discretion in denying Salmon's first
    motion or committed a manifest error of law in rejecting her
    belated argument on reconsideration. We have not before determined
    whether Rule 15(c)(1)(A) displaces Rule 15(c)(1)(C) with less
    restrictive state law. Indeed, it does not appear that any federal
    court of appeals has.     Moreover, even if Massachusetts Rule 15(c)
    controlled, it is far from manifest that relation-back would still
    be appropriate in Salmon's case.            See, e.g., Berman v. Linnane,
    
    748 N.E.2d 466
     (Mass. 2001) (explaining that "factors inform[ing]
    a decision to permit amendment" include, inter alia, "whether an
    honest mistake had been made in selecting the proper party").               In
    declining to engage with these issues sua sponte, the district
    court acted within its discretion in denying Salmon's motion for
    - 52 -
    leave.   See U.S. ex rel. Ge, 737 F.3d at 128.       Its subsequent
    denial of Salmon's motion to reconsider was not "plain[ly] and
    indisputabl[y]" wrong such that it "amount[ed] to a complete
    disregard of the controlling law."         See Venegas-Hernandez v.
    Sonolux Records, 
    370 F.3d 183
    , 195 (1st Cir. 2004) (quoting Black's
    Law Dictionary 563 (7th ed. 1999) (Manifest error)); Guy v. Crown
    Equip. Corp., 
    394 F.3d 320
    , 325 (5th Cir. 2004) (applying the same
    definition in the evidentiary context).    Because Salmon has failed
    to clearly establish that the district court committed a manifest
    error of law, we find no abuse of discretion in its denial of her
    motion under Rule 60.    See, e.g., Caribbean Mgmt. Grp., 966 F.3d
    at 45 (declining to inquire into merits of new theory for relief
    raised for the first time on reconsideration, and holding no abuse
    of discretion); Coons, 
    620 F.3d at 44
     (holding that plaintiff
    forfeited Rule 15(c)(1)(A) argument by not raising it in opposition
    to defendant's post-judgment motion and that it could not "be
    'resurrected on appeal'" (internal quotes and cites omitted)).
    IV.   DISCOVERY RULINGS
    Finally, Salmon contends that the defendants effected a
    subject-matter waiver over all attorney-client communications and
    work product related to the investigation of the November 22
    incident by disclosing six attorney-client privileged emails in
    response to one of Salmon's discovery requests.    On appeal, Salmon
    challenges the district court's orders denying her motion to compel
    - 53 -
    further disclosure on this subject and granting a motion to quash
    a subpoena ad testificandum served on the School Committee's
    investigating attorney.          The defendants argue that disclosure of
    these privileged materials was inadvertent and that the district
    court     appropriately       limited      waiver    to    the   contents      of    the
    Investigation        Report    and   the    attached       emails.27      We       review
    discovery orders for "abuse of [the district court's] considerable
    discretion."     Wells Real Est. Inv. Tr. II, Inc. v. Chardon/Hato
    Rey P'ship, S.E., 
    615 F.3d 45
    , 58 (1st Cir. 2010) (quoting Ayala-
    Genera v. Bristol Myers-Squibb Co., 
    95 F.3d 86
    , 91 (1st Cir. 1996).
    Given the trial court's "broad discretion," Ayala-Genera, 
    95 F.3d at 91
    , we will "intervene . . . only upon a clear showing of
    manifest     injustice,       that   is,     where    the     [district]       court's
    discovery order was plainly wrong and resulted in substantial
    prejudice to the aggrieved party." Dennis v. Osram Sylvania, Inc.,
    
    549 F.3d 851
    , 860 (1st Cir. 2008).               Here, we find no error.
    Federal    Rule    of   Evidence       502   provides     that    "waiver
    extends    to   an    undisclosed    [privileged          communication       or    work-
    product] . . . only if: (1) the waiver is intentional, (2) the
    disclosed and undisclosed communications or information concern
    27 Salmon does not appear to contend that the Investigation
    Report itself, which was produced, was an attorney-client
    privileged communication with waiver implications.   She focuses
    only on the six unredacted emails attached to a redacted version
    of the report.
    - 54 -
    the same subject matter, and (3) they ought in fairness to be
    considered together."          Fed. R. Evid. 502(a).       The key question is
    whether the waiver was intentional.              See Bear Republic Brewing Co.
    v. Cent. City Brewing Co., 
    275 F.R.D. 43
    , 47 (D. Mass. 2011); see
    also   Fed.     R.    Evid.    502(a)     advisory    committee    notes    ("[A]n
    inadvertent disclosure of protected information can never result
    in a subject matter waiver.").            Moreover, subject-matter waiver is
    generally reserved for "situations in which a party intentionally
    puts protected information into the litigation in a selective,
    misleading and unfair manner."               Fed. R. Evid. 502(a) advisory
    committee notes.
    Here, the record supports a finding that the defendants'
    disclosure of the privileged materials was inadvertent.                       Upon
    discovering that the unredacted emails had been disclosed, defense
    counsel notified Salmon's counsel of the "inadvertent disclosure"
    and requested that the unredacted materials be returned.                   Salmon
    asserts   that       this    disclosure    was   intentional      and   selective,
    arguing   that       the    defendants    "released    certain    communications
    between Lang and the investigators/attorneys to support their
    defense that they had adequate justification to discipline Salmon
    for non-retaliatory reasons."             But Salmon presents no support for
    this contention.            We find that the court acted well within its
    discretion in limiting           the scope of waiver to the disclosed
    documents and in granting the motion to quash.
    - 55 -
    V.   CONCLUSION
    For the foregoing reasons, we AFFIRM the judgment
    below.
    - 56 -