Puzzle

ACROSS

  1 Inapt answer for 1-Across

  4 Rear beef cut

  8 Act in someone's ___

 13 Bucks' partners

 15 "Got it"

 16 "Faster!"

 17 Restless desire

 18 Goes down, like the sun

 19 Give a speech

 20 Business taxed separately from its ownership

 23 Push forcefully

 24 Auction offering

 25 "Blondie" boy

 29 Information unit

 31 Where trapeze artists may meet

 33 Hwys.

 36 Sharing rearing

 39 People who celebrate St. Patrick's Day

 41 "I" problem?

 42 South ___ (Gangnam District's country)

 43 Fishy health supplement

 46 Sensitive ID

 47 Intertwine

 48 Make a little shorter

 50 Appear to be

 51 Hoops grp.

 54 Like a small garage

 58 Structural safety standards, and what the starts of 20-, 36- and 43-Across are doing?

 61 Noh drama nation

 64 "This is bad!"

 65 "Here," in obedience school

 66 Book deal maker

 67 Vegetarian protein source

 68 Bone-dry

 69 Hand-played drum

 70 One might wear a kilt

 71 Hog's home

DOWN

  1 Decree

  2 V-shaped cut

  3 Designer's concern

  4 Creamy Italian dish often made with mushrooms

  5 Computer operator

  6 Nickel isn't the main one in a nickel

  7 Basil-based sauce

  8 "Beat it!"

  9 Sought help from

 10 Big time?

 11 Word before "car" or "dealer"

 12 Candy's color source, perhaps

 14 Bush

 21 One may know you're solving a crossword right now

 22 Slangy response to a relatable tweet

 26 Hideouts

 27 Places to go for the gold

 28 Liver or kidney

 30 Blunted blade

 32 Glimmer of an idea

 33 Reduces to bits, as potatoes

 34 Go on and on, with "on"

 35 Walk like a crab

 37 Cabinet dept. concerned with farming

 38 Carrot, e.g.

 40 Excitingly fast-paced

 44 "___, vidi, vici"

 45 Resolve, as details

 49 Muslim pilgrimage destination

 52 Printing woes

 53 Like some committees

 55 Beer name

 56 Acknowledge

 57 High-pitched

 59 "Do ___ others ..."

 60 Wikipedia page contents, for short

 61 The "one" in a one-two punch

 62 Back in time

 63 Confident solver's tool

Solution