Puzzle

 ACROSS

  1 Heist targets

  6 They're higher than bassoons

 11 IRS pro

 14 Beethoven's "Fur ___"

 15 ___ firma

 16 Cheer competitor

 17 Military hero's award

 19 Toupee, informally

 20 "Let's see ..."

 21 Jason Bourne, for one

 22 Big book

 23 Wallet thickeners

 25 Growing talent?

 28 Ploy

 29 Pencil end

 30 Houston MLB player

 32 City southeast of Tampa

 35 Landing guess at LAX

 36 Great Plains tribe

 39 Brewery tank

 42 Gig at a school dance, e.g.

 43 Territory about halfway between Hawaii and New Zealand

 47 Portugal's peninsula

 49 Building that's often red and white

 50 Gorilla patriarch

 55 Many Iranians' Islamic sect

 56 Woes

 57 Reach a consensus

 59 2015 Verizon acquisition

 60 QBs' targets

 61 Coward

 64 Artist Yoko

 65 Sag

 66 Pisces follower

 67 Stimpy's pal

 68 Is flaky?

 69 What makes dough rise

DOWN

  1 Upscale cosmetics chain

  2 Certain graduate

  3 Least yielding

  4 Ability to know what this answer is?: Abbr.

  5 Emmy winner Ward

  6 Look the ___ way

  7 Designer Geoffrey

  8 Address a crowd

  9 Flub

 10 Didn't get to play

 11 Barhop, perhaps

 12 Drop precipitously

 13 Unknown subject?

 18 Hen's output

 22 Lil Wayne's "___ Carter III"

 24 Certain Balkan

 26 Nautilus captain

 27 The Andrews Sisters and Destiny's Child

 31 Any Beatles song, nowadays

 32 TV roast hosts

 33 '50s prez

 34 Astern

 37 Cracked, like a door

 38 Bills for drinks

 39 Word before "parking" or "center"

 40 City in Texas or Kansas

 41 Rats out

 44 Gospel legend Jackson

 45 Baltimore birds

 46 Figure working with figures

 48 Winnebagos, e.g.

 51 "The Jungle Book" bear

 52 Radiant

 53 Farmers may flatten them to make circles

 54 London's ___ Gardens

 58 Online bidding war site

 61 Three-ft. units

 62 Suffix for "northwest"

 63 Poet's "before"

Solution