Puzzle

 ACROSS

  1 Roofing goo

  4 Teenage feeling

  9 Grime

 14 "We ___ the World"

 15 2012-18 Mexican president

 16 Off-white shade

 17 Got off the ground?

 19 Not handwritten

 20 *Harsh critics (hint: each starred answer continues through a black square!)

 21 Predators with many teeth, informally

 23 Metaphorical thing to lend

 24 "By Jove!"

 26 Has a goal of

 28 Hubbub

 31 Set of fine dishes

 33 *Plastic-coating process

 34 South Korea or South Sudan

 36 Baba au ___

 40 Astound

 42 Mesozoic, for one

 43 Filched

 44 Abominable Snowman

 45 *Tears and others

 47 Switch positions

 48 Meaningless sound

 50 Rays that travel through water

 52 Insult

 55 Jeer

 56 Male turkey

 57 *People in power

 60 Often-patterned garments

 64 Fossilized resin

 66 Kansas City baseball enthusiast

 68 First lady before Michelle

 69 Make ecstatic

 70 Indian title of respect

 71 "Head, shoulders, ___ and toes"

 72 Affirmative responses

 73 Province abbr. within "Toronto"

DOWN

  1 World's softest mineral

  2 Region

  3 Guns, like an engine

  4 *Daughter of Oedipus

  5 Great falls?

  6 Barely pass, academically

  7 Editor's "let it stand"

  8 "It's on my ___ list"

  9 Meshes with a group

 10 It clings to a wall

 11 Runs at an easy gait

 12 Halloween hope

 13 Prefix for "electric"

 18 *Listing individually

 22 What may be mixed with snow

 25 All used up

 27 *Strict disciplinarians

 28 Modeling material

 29 Shiny fabric

 30 Amo, amas, ___

 31 She turned Odysseus' crew into pigs

 32 Frost

 35 Pegs for LPGA players

 37 Owl call

 38 It's about the length of a radius

 39 Big job for an organizer

 41 Pizzazz

 43 *Motionless sculptures

 45 In ___ (as found)

 46 Abu Dhabi, for one

 49 "Gone With the Wind" family

 51 Butterfly catchers

 52 Broccoli stem

 53 "Death of a Salesman" surname

 54 Permeate

 55 Paintings such as "The Clothed Maja"

 58 "South Park" co-creator Parker

 59 A groundhog may peek out of one

 61 In that case

 62 Deserve

 63 Agitated state

 65 Before, to a poet

 67 ___ Schwab

Solution