Puzzle

ACROSS

  1 Alphabetical nickname

  4 Belly, to a tot

  7 Incoming flight stat

 10 Org. concerned with teeth

 13 Schlep

 14 Spanish for "one"

 15 *Rest against

 17 Zazie Beetz show set in Georgia's capital

 19 It's hotter than a jalapeno

 20 See 22-Across

 22 With 20-Across, constructing a country's identity ... or what's happening in the starred answers? (Note: Read the extra letters in order for a bonus)

 23 Make a priest, say

 25 Waterfall spray

 26 *"Not a chance!"

 29 Estimate

 31 Lead-in to "carte"

 32 They were big and woolly

 35 Story with a lesson

 39 "Good evening," in Nice

 41 Shortcomings

 43 Sprinted

 44 Washer cycle

 45 *Longtime U.S. airline

 48 ___-Carlton

 50 Andean relative of a camel

 52 *Misrepresent

 54 *Jones is a common one

 58 Like Morehouse

 60 Rode a bike

 61 *Spain's main airline

 62 Singer DiFranco

 63 How technology quickly starts to feel

 64 ___ cream social

 65 Feature of "i" or "j," but not "k"

 66 List-ending abbr.

 67 Plaything

DOWN

  1 Chunk of marble

  2 South African Nobelist Desmond

  3 Unattractive-sounding fruit

  4 Largely treeless Arctic region

  5 Not neat

  6 Disney film whose title is Maori for "ocean"

  7 Chi-Town trains

  8 Future twentysomething

  9 Jill who was The New York Times' first female executive editor

 10 Mitchell or Nin

 11 Prohibition's beginning?

 12 Soon, quaintly

 16 Frida Kahlo and Diego Rivera

 18 "That was ___ blow!"

 21 Billion: Prefix

 24 Desensitizes

 26 Siesta

 27 "Frozen" snowman

 28 ___ avis

 30 Angsty rock style

 32 Genius' organization

 33 "Hava Nagila" dance

 34 Thailand, once

 36 Expensive slot in the Super Bowl broadcast

 37 Major snowstorm

 38 "Fast & Furious 6" director Justin

 40 Molecule in a cell

 42 Hair goops

 45 Source of life?

 46 Tart to the taste

 47 Granny

 48 The Holy Grail, for one

 49 Exclamation of amazement

 51 Cocoon occupants

 52 Indonesian vacation destination

 53 Boy in "Call Me by Your Name"

 55 Tons and tons

 56 NBA star Anthony, for short

 57 Small whirlpool

 59 Consume

Solution