puzzle

 ACROSS

  1 Director Craven

  4 Untrustworthy people

  9 Our "mother"

 14 Night before

 15 Golfer Palmer's nickname

 16 Hilo hello

 17 Literally "half world"

 19 Begin

 20 Agitated state

 21 "You ___ bother!"

 23 Dog's head?

 24 Language spoken in northeast Thailand

 26 Makes ecstatic

 28 Possible result of a scandal

 34 "Yo te ___"

 35 Incentive for finding a lost pet

 36 Bat wood

 38 Sitcom named for an H.S. class

 40 John, to Ringo

 41 Marriage and others

 43 ID that can't end with 0000

 44 Examine closely

 46 "Dig in!"

 47 Phrase of understatement

 50 Spectacles that look embarrassing?

 52 Uproar

 53 Be incorrect

 54 It may remove leg hair

 58 Some summer babies

 62 Word after "Home" or "Office"

 64 Phone notification, or how you must be to find the abbreviations hidden in 17-, 28- and 47-Across?

 66 Crystal-lined rock

 67 Become narrower

 68 "Little Women" co-star Thompson

 69 Aromatic compound

 70 Without a companion

 71 Prince, to a queen

DOWN

  1 Gets married

  2 20-20, perhaps

  3 18-wheeler

  4 On the ___ (fleeing)

  5 Magnetite, e.g.

  6 "Ocean's Eight" co-star Hathaway

  7 Carnival attraction

  8 Sunflower, once

  9 SoCal neighborhood seeking municipal independence

 10 Key equivalent to Option

 11 Took for a spin

 12 Midafternoon hour

 13 Can't stand

 18 "___ be a cold day ..."

 22 Stereotypical bookworm

 25 Simone Williams' record-setting hairdo

 27 Berry from a palm

 28 JFK overseer

 29 Intensifies, with "up"

 30 Certain crustacean catcher

 31 Young bird that hoots

 32 Native New Zealander

 33 Tiler's need

 37 Get better

 39 Knowing, as a secret

 41 Tim of "WKRP in Cincinnati"

 42 Messy pen?

 44 Try to move forward?

 45 Spruce (up)

 48 Annoy

 49 Hang loose

 50 Marsh plant

 51 Some native Canadians

 55 "___ boy!"

 56 Bockwurst meat

 57 World's fair, e.g.

 59 Fish such as congers

 60 After-lunch "sandwich"

 61 "South Park" boy

 63 Tribute poem

 65 Word between "rules" and "rules"

solution