Puzzle

 ACROSS

  1 Traffic frustrations

  5 Begot

 10 Vegas calculation

 14 River to the Caspian Sea

 15 "I believe" statement

 16 Round dance

 17 Golf tournament for the 50+

 19 Wingtip-to-wingtip measure

 20 Levy system

 21 IRA, perhaps

 23 Applied, as icing

 25 Pair

 26 Extremely spicy chilis

 33 Fusses

 34 Neutral, for one

 35 Without delay

 36 Got muddy

 40 Topped with a scoop

 42 French for "born"

 43 Tinted

 45 "Just joshin'!"

 46 Source of a puddle jumper's thrust

 51 Speedometer fig.

 52 Prophet swallowed by a big fish

 53 Pressurized spray type

 57 Kauai cocktails

 61 Croat or Pole

 62 Certain cavern crosser, or what crosses a word break in 17-, 26- or 46-Across

 64 Italian bubbly

 65 "Show me your cards!"

 66 Aslan, e.g.

 67 2020 candidate Buttigieg

 68 Fashion brand whose letters are in "clothes"

 69 Doghouse site

DOWN



  1 Fair

  2 Field of study

  3 Tailless cat

  4 Go unnoticed

  5 Scuffle

  6 One removing wrinkles

  7 Sales caller

  8 Blissful place in the Bible

  9 Signed agreement

 10 "You're making me blush!"

 11 Rad

 12 Bummer

 13 Competed on "The Voice"

 18 Ken of "thirtysomething"

 22 Toyota model reintroduced in 2019

 24 Basenji or beagle

 26 "I ___ considered that"

 27 It's bid upon departure

 28 Tool such as a drill

 29 Pod item

 30 Miso soup mushroom

 31 Influential French sculptor

 32 One may call Stockholm home

 37 Stack restaurants

 38 On cloud nine

 39 Deutsch article

 41 With fierceness

 44 The FBI is part of it

 47 Campy fare

 48 Large citrus

 49 Make possible

 50 Hair-loss product?

 53 "Right away!"

 54 Otherwise

 55 "Infestation" heavy metal band

 56 Highlands lake

 58 1998 Sarah McLachlan hit

 59 Composer Stravinsky

 60 Email button

 63 Patrick, to SpongeBob

Solution