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ACROSS

 1 Film of tea demonstrations preceding crazy rage (8,2,4)

10 Mothers, seen scattered outside in a crowd (2,5)

11 Vintage photo of a colorful gym class? (7)

12 Norm Silver destroyed harp, gets consecutive sentences (9)

13 Time and heat disintegrated letter from Thucydides (5)

14 Military vehicle to fail completely (4)

16 Low luminescence, primarily found in darkness! (9)

18 Police ransacked pantry for outdoor festivity (4,5)

19 Small, soft cry (4)

22 Initially, planets (or worlds) emitting radiation might… (5)

23 …scramble iPod: Earth and Venus, essentially (9)

26 Talks incessantly with people harvesting sweet potatoes? (7)

27 Falls, returning to win a race halfway (7)

28 City takes in sun-baked metal pole in disrepair (14)

DOWN

 2 Oh—rum stirred up the blood, for example (5)

 3 Step down is transposition for singer (6)

 4 Retrograde Delaware politician presents musical performance (5)

 5 “Shaking the oyster” is a branch of mathematics (3,6)

 6 To a limited extent, zipper catches fashionable, ugly tie (8)

 7 Brown and others with terribly vile fever taking many, ultimately (3,6)

 8 Tasteful hash of eel and gnat (7)

 9 Bombshell display in middle of street (6)

15 Reporter and actor capturing Southwestern ring (9)

16 Grievous violation viewed in a different way: “It’s normal” (6,3)

17 Corrected trespass that’s most widely scattered (8)

18 Appear to sing “New York’s Getting Higher” in amateurish clip (3-4)

20 Lead around unsavory fare that’s ready-made (6)

21 Turkey beside slice of onion and fruit, surprisingly (6)

24 Capital of Hawaii maintaining answer: no (5)

25 Very tired after exchanging words and accounting for everything (2,3)

SOLUTION TO PUZZLE NO. 3292

ACROSS 1 SOL(ARF) + LA + RE 10 rev. 11 MUL(TI + LA + N)E 12 EXT(RE + MI)ST (texts anag.) 13 2 defs. 14 anag. 15 anag. 18 & 6 FAN + FA + RE 19 anag. 21 RAF + FLE[w] 24 anag. 26 IN + AU(GUR)AL (rug rev.) 27 THE (RE + MI) + N/S 28 LO(I)RE 29 DO + DO 30 anag.

DOWN 1 “cents-less” 2 LA + TI + TUDES (anag.) 3 RO[o]STERS 4 LIMP + ID 5 RE + LA + TI + ON 7 AVA(I)L (rev.) 8 [s]-EVEN-S 9 GIB (rev.) + BET 16 N + EFER (anag.) + TI + TI 17 letter bank 18 FA + MI + LIAR 20 I + CEMEN[t] 22 anag. 23 RAISIN[g] 24 anag. 25 O + READ