Puzzle

 ACROSS

  1 Critical ___

  5 NASCAR driver

 10 Touched down

 14 Viking Ship Museum's world capital

 15 Now, in Spanish

 16 Fabricated

 17 Cap brim with a college logo?

 20 November birthstone

 21 Continent where Malala Yousafzai was born

 22 Common shade tree

 23 Canonized people, briefly

 24 Messy BBQ item

 27 Prolific Swiss mathematician

 29 Vocalist hired to promote sports equipment?

 33 Palindromic band or rhyme scheme

 36 Computer classroom

 37 Labor day worker

 38 Like many WNBA players

 39 You miss 100% of the ones you don't take

 42 Use yarn

 43 Japanese metropolis

 45 Art museum vase

 46 Words of understanding

 47 Puppies and kittens to choose between?

 51 Masculine prefix

 52 Be in debt

 53 "Now it's clear!"

 56 Amusement

 58 "___ on Down the Road" ("The Wiz" song)

 60 Successors of francs

 62 Prom garment in a pop-up?

 66 Defraud

 67 Small boat contents?

 68 Poker fee

 69 Eyelid affliction

 70 Cosmetician Lauder

 71 Like this Across answer

DOWN

  1 Water barriers

  2 Fancy neckwear

  3 Applies carelessly, with "on"

  4 Word after "baking" or "diet"

  5 Bash into

  6 Tuna type

  7 "Cola" lead-in

  8 Wiped out

  9 Part of a circle's area formula

 10 French friend

 11 Sci-fi weaponry

 12 Object of pagan worship

 13 Long-___ project

 18 Book after II Chronicles

 19 Logically acceptable

 25 Bad things

 26 Dull

 28 Fancy mushrooms

 29 Like Kosovo and Montenegro

 30 "What's all this ___?"

 31 Fashion designer Saab

 32 Assign a PG-13 to, say

 33 Mounted on

 34 Part of a triangle's area formula

 35 Without subtlety

 40 Wynken, Blynken and Nod, e.g.

 41 *** precipitation

 44 Certain viper

 48 Red + yellow

 49 Puzzling problems

 50 Requirement

 53 Bowl that can fit many dishwashers?

 54 Radio show figures

 55 Good thing

 56 Little lies

 57 Ton or teaspoon

 59 Maryland, e.g., in Marseille

 61 Eurasian river

 63 ___ out a living

 64 Thoroughfare: Abbr.

 65 Alter the color of

Solution