puzzle

 ACROSS

  1 Succotash ingredient

  5 Small mattress size

  9 Touch with a stylus

 12 Codeine source

 14 Pie cuts, essentially

 16 Add years to one's life

 17 Where to find a snake in the glass (In this clue's answer, see letters 4-8)

 19 Oui's opposite

 20 Exist

 21 Word before "cucumber" or "salt"

 22 One has a maturity date

 24 Desperate attempt (... letters 8-11)

 30 Eyelid concern

 31 "___-hoo!"

 32 Bottom of the ocean

 33 E or G, e.g.

 35 Jean-___ Picard of "Star Trek"

 37 Mr. Rogers

 38 Choice when paying with a card (... letters 3-8)

 43 ___ Paulo

 44 Criticize harshly

 45 Wintry, in product names

 46 Sarcastic commentary

 49 Name that's a cozy room backward

 51 London streetcar

 54 They help you get the big picture (... letters 3-6)

 58 Food sticker?

 59 "Wheels"

 60 Season opener?

 61 John in court cases

 63 Fragrant grain (... letters 4-8)

 67 Wikipedia is free of them

 68 Made angry

 69 Didn't chicken out

 70 "$20 on red," say, in roulette

 71 Fill completely

 72 Pronoun on a certain towel

 DOWN

  1 Reef material

  2 Divas' productions

  3 Most ready to pick

  4 Crunchy source of protein

  5 Pact

  6 Card game for two

  7 Vow at the altar

  8 Weeper of myth

  9 Indian cooking style named for an oven

 10 Earlier

 11 Notetaker's choice

 13 Something wrong

 15 "See ya!"

 18 Necklace that wraps around "Leah Remini"

 23 Super Bowl org.

 25 Small child

 26 Silver eagle wearer, in the military

 27 Two to three, for one

 28 Turnip or beet

 29 "Don't give up!"

 34 Sharp bark

 36 Songs can be burned onto them

 38 Kid's plea

 39 Exam that often includes parallel parking

 40 Sharp flavor

 41 Typed in

 42 Delivered from the womb

 43 Opposite NNE

 47 Big name in hiking gear

 48 Japanese writing system

 50 Choose

 52 Aim ambitiously

 53 "Moon River" lyricist Johnny

 55 Approaches

 56 PC linkup

 57 Tournament's top competitors, often

 61 Apply gently

 62 Homage in verse

 64 Genre for The Wailers

 65 Bumped into

 66 "Go team!"

solution