puzzle

 ACROSS

  1 Lists of social media posts

  6 Chew like a beaver

 10 "___ that nice?"

 14 Pin point?

 15 Unleavened Indian bread

 16 Leavened Indian bread

 17 Make reparations

 18 Lots (of)

 19 Cut with an X-Acto knife

 20 Reminisce about the good old days

 23 Where swine recline

 24 Rainer Maria Rilke or Audre Lorde

 25 Unwelcome campground visitor

 26 Change from red to green, say?

 27 Road goo

 28 The "Y" of YOLO

 31 Suva's island country

 34 Intense concentration

 38 Arabian sultanate

 39 Certain craft beer, briefly

 40 Acid's counterpart

 41 Mollusks with long shells

 45 Goes (for)

 46 Area between the Koreas: Abbr.

 47 Sister of the moon goddess Selene

 48 Great Basin native

 50 Chaotic accumulation

 52 Disgusting

 54 Garment with cups

 57 Predicament that might be avoided using the starts of 20-, 34- and 41-Across?

 60 Zebra's neck hair

 61 Campers' beds, often

 62 Pop, as a bubble

 63 Longish skirt

 64 First gentleman?

 65 Aconcagua is their highest peak

 66 "In addition ..."

 67 "Tall" story

 68 Like tonic water

DOWN

  1 Imperfections

  2 Irritate to no end

  3 Strong adhesive

  4 Places to hibernate

  5 Dwarf who's always drowsy

  6 Shred, like cheese

  7 Cry before a game of tag

  8 Electron's place

  9 Where to sit back and enjoy a flight?

 10 Photo-sharing platform, for short

 11 Spending concern in pro sports

 12 It gets hammered

 13 Explosive stuff, briefly

 21 Christmas, in France

 22 Spongy toy brand

 26 T. rex, for instance

 27 Storm, Sky or Sun

 29 Remove from power

 30 Puts to work

 31 Company behind the Model T

 32 Muslim leader

 33 Dance move that some call "webbing"

 35 Is sick

 36 Self-care destination

 37 Reedy woodwind

 42 Bring up, as young

 43 Unoriginal individual

 44 "Star Trek" lieutenant

 49 Leaves hanging by a thread?

 51 Refrain in a farm song

 52 Crucial

 53 Knocker's identifying words

 54 Jays, e.g.

 55 Valentine's Day bundle

 56 Not sitting well?

 57 Greet with acclaim

 58 Sprite Ginger, e.g.

 59 Sushi fish

 60 Cage fighting sport: Abbr.

solution