1 Like some tracks : OVAL
5 ___ Demand Action (gun control advocacy group) : MOMS
9 Deadly biters : ASPS
13 Where opposites don’t attract? : LESBIANBAR
16 Small scale business? : DELI
17 Help resolve, as a conflict : DEESCALATE
18 Answer irritably : SNAP
19 Nixon established it in 1970, for short : EPA
20 Words on a red tag, maybe : ASIS
21 Cause : LEADTO
23 Family group : CLAN
24 Large amount, facetiously : JILLION
25 Golden retriever who ends up with a chocolate lab? : CHARLIEBUCKET
29 Bit of Muslim attire : HIJAB
30 Accumulating bowlful while eating edamame : PODS
31 Measure of heat, for short : BTU
34 Swears : AVOWS
35 Net alternative : ORG
36 Eggs-terminates? : SPAYS
38 Nebraska senator Fischer : DEB
39 ___-Ball : SKEE
40 Shoes, casually : KICKS
41 November handout : IVOTEDSTICKER
45 Assent to un hombre : SISENOR
47 Wine list heading : REDS
48 Lined up : INAROW
49 Pro ___ : BONO
50 “___ Celebrity … Get Me Out of Here!” (long-running British reality show) : IMA
53 Sensei’s domain : DOJO
54 “I” lift? : EGOBOOSTER
57 Animal on the flags of Spain, Montenegro and Sri Lanka : LION
58 Product that reduces static cling : DRYERSHEET
59 London-born actor who was People’s Sexiest Man Alive in 2018 : ELBA
60 “Dress for Less” sloganeer : ROSS
61 Wearers of the Star of Life, for short : EMTS