Puzzle

 ACROSS

  1 Largest artery

  6 Pipsqueak

 11 0, for -1 and 1

 14 Unemotional

 15 Utter chaos

 16 Santa ___

 17 Historical French musical that racked up ticket sales?

 19 Rockies tree

 20 "___ you kidding me?"

 21 Dillydally

 22 Hamsters, e.g.

 23 Early in the workday

 25 "La-la" lead-in

 26 Substitute teacher musical for ham actors?

 32 Pests for a puppy

 35 Ancient Greeks' tubed instrument

 36 Octogenarian celebrity Yoko

 37 Sandals often separate them

 40 Texter's "Mea culpa"

 41 "Naturally!"

 43 Snaky sea creatures

 44 Charleston musical with a meaty plot?

 48 Hem-and-haw sounds

 49 Smoked Texas meat

 53 March Madness org.

 55 Beginning

 58 "I believe," online

 59 Nondairy milk source

 60 Apt name for a restaurant that shows 17-, 26- and 44-Across

 62 ___ bono

 63 Find out

 64 French farewell

 65 Cob + kernels

 66 Mountains where alpacas roam

 67 Where, in San Juan

DOWN



  1 Narnia lion

  2 Former "SNL" star Cheri

  3 Dolphins quarterback Josh

  4 Tiny Dickens boy

  5 Like citrus fruits

  6 "Tommy" rockers

  7 Hospital section

  8 "See no ___ ..."

  9 Hogwarts garb

 10 HP products

 11 Spy's getaway

 12 Pound or stone

 13 Curiosity rover's planet

 18 Pageant accessory

 22 Sci-fi author Frederik

 24 Linguistic suffix

 25 Switch positions

 27 Made a decision

 28 ___-tzu (Taoism founder)

 29 "Rogue ___"

 30 Shift neighbor

 31 Pop singer Alicia

 32 Crochet stitch shape

 33 Facts, for short

 34 Stan Lee, for many superheroes

 37 Acquires

 38 Podcast host Glass

 39 "Family Feud" channel

 42 Gumbo vegetable

 43 Beginning of summer?

 45 Dangerous toys

 46 Great Lake named for a tribe

 47 Mythical sailor

 50 Popular Japanese beer

 51 War zone correspondent

 52 Chef's hat

 53 "Uh-uh"

 54 Dear, in Turin

 55 Easy-Bake ___

 56 Crack a book ... or hit the books

 57 Concerning, legally

 60 It's under Tenn.

 61 Kerfuffle

Solution