1 Long : ACHE
5 Member of an 1800s literary family : ANNE
9 Handy expressions? : CLAPS
14 “Justice League of America,” e.g. : COMICBOOK
16 Possesses a certain je ne sais quoi : HASIT
17 Member of an 1800s literary family : CHARLOTTE
18 Member of an 1800s literary family : EMILY
19 Check for errors, perhaps : REREAD
20 Key to close a window : ESC
22 Part of I.P.A. : PALE
23 A little buggy? : ANT
24 Pump selection: Abbr. : REG
26 @@@ : ATS
28 Rose Bowl city : PASADENA
31 Hospital dept. that sounds like a sentence : ICU
34 Light at the end of the tunnel, so to speak : HOPE
37 Symbols of longevity in Chinese iconography : TORTOISES
39 Corn, beans and squash, in Mesoamerican tradition … or a hint to six answers in this puzzle : THETHREESISTERS
42 Home to horned vipers and deathstalker scorpions : THESAHARA
43 Scorch : SEAR
44 Hold (down) : PIN
45 Member of a 2000s showbiz family : KOURTNEY
48 ___ Quentin, Calif. : SAN
49 Meditative discipline : ZEN
50 Member of a 2000s showbiz family : KIM
53 Too easy (on) : SOFT
56 Long time : EON
59 Singer known as the “Queen of Tejano Music” : SELENA
61 Member of a 2000s showbiz family : KHLOE
63 Linguistic “stems” : ROOTWORDS
65 In an online convo, perhaps : IMING
66 Clever person : BELESPRIT
67 Universal donor’s classification : TYPEO
68 Flexible Flyer, for one : SLED
69 Good-looking couple? : EYES