Puzzle

 ACROSS

  1 Dryly humorous

  6 Reread a textbook in one day, say

 10 Snare

 14 Florida senator Marco

 15 Bronte who wrote "Agnes Grey"

 16 Entertainer Minnelli

 17 Fellow handling multiple instruments

 19 Political takeover

 20 Cactus with psychedelic buttons

 21 Alley ___

 23 Otto minus cinque

 24 Contented sort

 28 Neither fem. nor neut.

 32 Hoped-for proposal response

 33 "The Matrix" hero

 34 On the subject of

 35 What can be mined in "South Korea"?

 36 "Consider it taken care of!"

 39 Beachcomber's display that's unlikely to include the ends of 17-, 24-, 48- and 62-Across

 42 Recovered

 43 Common cereal grain

 44 Stocking shade

 45 Soul from Seoul

 46 Sister

 47 Reps.' counterparts

 48 Occupy the passenger side

 53 Singer DiFranco

 54 Greek goddess of dawn

 55 Has the intention of

 60 Managers' degs.

 62 Jeweled Russian treasure

 65 U2 front man

 66 California's features a bear

 67 49-Down message

 68 They may pull a cart

 69 Plane-related prefix

 70 John who married Pocahontas

DOWN

  1 Fall

  2 Ancient character

  3 Follow orders

  4 Party bus alternative, for short

  5 Reluctant

  6 Vehicle with a meter

  7 Protein synthesis molecule: Abbr.

  8 Bothers

  9 French wine region

 10 R.N.'s specialty

 11 Squad with shields

 12 Sky blue

 13 The Inquirer or the Herald

 18 Teachers' org.

 22 Freak out

 25 Informal fire lover

 26 Leave in a hurry

 27 Like cheese in a fondue pot

 28 Pulverize

 29 Tennis great Arthur

 30 Hearty, flambeed entree

 31 Lassie, for one

 35 Checking condition, briefly

 36 ___ blanket

 37 Quad quarters

 38 Unpleasant responsibility

 40 Rental agreement

 41 "Auld ___ Syne"

 46 "Can't let it go for that price!"

 48 Macho "First Blood" role

 49 Spam container?

 50 Labor leader who disappeared in the '70s

 51 Mideast org., once

 52 Nation north of Benin

 56 Note from the boss

 57 Close tightly

 58 "I'm so done with this week!"

 59 Eyeball

 61 Bart, to Homer

 63 Watering hole

 64 Freudian focus

Solution