ACROSS

  1 Part of a long journey

  4 Papier-mache, e.g.

  9 Drop in on

 14 Consumed

 15 NHL player in Edmonton

 16 John Jacob ___

 17 Fictional vehicle with an ejection seat

 19 Excel

 20 Gets up

 21 Vietnam neighbor

 23 "Big Brother" broadcaster

 24 Actor Alda

 25 Place to buy cuts and chops

 28 Curly plant strand

 30 Of concern to everyone

 31 Mrs., in Mexico

 32 Crime story?

 35 ___ disease, from ticks

 36 It might make you invincible in a video game

 39 "Let the machine decide" setting

 42 Defiant retort

 43 Comey's former org.

 46 Implants in arteries

 49 Home of Angel Stadium

 51 Tiny, crispy candy

 54 Athletic award

 55 Pie ___ mode

 56 Witnessed

 57 Gets in on a poker hand

 58 Prove victorious in

 60 "You can get $$$ here" sign, and a hint to 17-, 25-, 36- and 51-Across

 63 Bright blue

 64 It empties a tub

 65 Actor Kilmer

 66 Desired responses to promposals

 67 Justice Sotomayor

 68 High-latitude helper

DOWN

  1 Experiment runners?

  2 Amazon is a massive one

  3 Scores 95 on the test, say

  4 Pigeon vocalizations

  5 Gently razz

  6 Boxing great Laila

  7 Guy, slangily

  8 Halloween giveaway

  9 Medieval worker

 10 Suffix meaning "or so"

 11 Not abandon

 12 Ray of charged particles

 13 Railway bridge

 18 Fix a hole in

 22 "I can't believe that," in a text

 25 One of 26.2 in a marathon

 26 Inventor Howe

 27 Achievement for an aspiring actor

 29 "Yay, team!"

 33 A/C measure

 34 Clarifying words

 36 Bop on the head

 37 Prefix meaning "all"

 38 Anti-narcotics org.

 39 "Hit me with your questions!"

 40 Take advantage of

 41 Lockjaw

 43 Celebratory

 44 Walking on two feet

 45 "Personally ..."

 47 Senses of style

 48 Sault ___ Marie

 50 Clucking animals

 52 Medieval quaffs

 53 Opening

 57 Elsa's Disney sister

 59 "Things ___ good"

 61 "You da ___!"

 62 Number 90 degrees from VI