puzzle

 ACROSS

  1 Metrosexuals, quaintly

  5 Primary

 10 Whistle-blowers?

 14 Still a competitor

 15 Main artery

 16 "___ Enchanted" (Anne Hathaway film)

 17 Warrior princess played by Lucy Lawless

 18 Leeway

 19 Before long

 20 A

 22 H

 24 Lugged

 25 Rita's role in "West Side Story"

 26 Letter after zeta

 27 Drew a ring around, or what each single-letter clue in this puzzle should be?

 33 Zippo

 34 Indian American, perhaps

 36 Bike with an engine

 37 Years and years

 38 C

 41 Revolts

 44 Thinking face and praying hands, for two

 48 Present itself, as an opportunity

 49 One gets stoked about a big game

 52 Prophetic signs

 53 Animal such as Yona in "My Little Pony: Friendship Is Magic"

 54 Breads with pockets

 56 Raggedy doll

 57 i

 62 Fruitless

 64 Doll up like an action figure, maybe

 67 Assumed names

 68 Backlogs in inboxes

 69 K

 70 X

DOWN

  1 Obsessed

  2 Lacking variety

  3 Party animals, perhaps?

  4 Gaze

  5 Wallet filler

  6 Word before "water" or "spirit"

  7 Public radio host Glass

  8 Use acid for art

  9 Phony

 10 Amber, for one

 11 Running away to marry

 12 Inflatable pool toy

 13 They may have thongs

 21 Palindromic health agcy.

 23 Boy

 28 Babysitters' nightmares

 29 Rogers in old Westerns

 30 Lifesaving skill, briefly

 31 Garland symbolizing Hawaiian royalty

 32 One of a cube's 12

 35 Treats, as a sore knee

 37 It has quarks

 39 Adjective in the American South, or a cheer in South America

 40 Medical network grp.

 41 "A drop of golden sun"

 42 Stretch of time

 43 Two-piece swimsuits

 45 Captain Picard or director Godard

 46 B&B relative

 47 Nine-digit ID

 49 They get stoked at home

 50 One may dispense 100s

 51 Civil rights org. since 1909

 54 Phony

 55 Unlikely to show emotion

 58 Biblical ark builder

 59 Blow a ___ (flip out)

 60 "Survivor: Panama" locale, in Panama

 61 Like an unresolved question

 62 Barrel-making wood

 63 Seemingly tireless insurance spokes-woman

 65 Gorilla, for one

 66 Fashionable monogram

solution