Puzzle

ACROSS

  1 Flat-topped hills of the Southwest

  6 Band with a museum in Stockholm

 10 Device downloads

 14 Put forth, as effort

 15 Troubles

 16 Chowder chunk

 17 Speak vaguely

 19 Adobe abode, perhaps

 20 See 38-Across

 21 Title boxer of a 2001 biopic

 22 Election participant

 23 Fragrant purple shrub

 26 5, for 125

 29 Barry with the hit song "Mandy"

 31 Stereotypical mathlete

 32 Unskilled

 33 In an unfriendly manner

 35 Amt. based on 100

 38 With 20-Across, first National Leaguer to hit 500 home runs

 39 Twitter symbol

 41 Hollywood's "Norma ___"

 42 School commencement?

 43 Greatest Hits song, often

 44 Air spray targets

 46 Martial art with throws

 47 Marriage partners

 49 Yahtzee, e.g.

 53 Take into the family, as a shelter dog

 54 Wharton who wrote "Ethan Frome"

 55 Harvard Univ. neighbor

 57 Seine substance

 59 Risks money at the track

 60 Sushi-eating implements

 64 Current craze

 65 ___ California (Mexican state)

 66 Entered a poker game

 67 Gobs and gobs

 68 Declined

 69 Iraqi port

DOWN

  1 Note from the boss

  2 They connect to off-ramps

  3 Guards keeping watch

  4 Curve

  5 Sault ___ Marie, Michigan

  6 Deserter's acronym

  7 Kind of acid used as an antiseptic

  8 Hotel room essential

  9 Numbskull

 10 International agreement

 11 Greek author of the "Republic"

 12 Sporty '90s Toyota

 13 Brainy

 18 Texas home of Baylor University

 22 "Nice job!"

 24 Half a kissing couple?

 25 However

 27 Joins forces

 28 Composer Bartok

 29 Speechless performer

 30 Sagacity

 34 Tai ___

 35 Possibilities

 36 Pet owner, for one

 37 Hardy's Miss Durbeyfield

 40 Alan of "Bridge of Spies"

 45 Twosome

 46 Social elites on the go

 48 Bits of butter

 49 Actress Messing of "Will & Grace"

 50 Embodiment of perfection

 51 Gas station name

 52 Texted image with an attitude

 56 Tablet for surfers

 58 Fed. food and farming agency

 60 "Big Brother" network

 61 Computer in "2001: A Space Odyssey"

 62 Bar bill

 63 ___ jiffy

Solution