puzzle

 ACROSS

  1 Stumbles

  6 Apple desktop

 10 Not evil

 14 Finalize

 15 Infamous Roman emperor

 16 Slight advantage

 17 Not in the dark

 18 Beach bucket

 19 "One ___ song!" ("Encore!")

 20 Sender of an anonymous valentine

 23 Bowler's target

 25 007 creator Fleming

 26 Food drive item

 27 Grp. concerned with viruses

 29 Sightseers, often

 34 New York Harbor attraction

 36 Chart out

 37 Plant with soothing gel

 38 WaterSense org.

 39 Guitarist's chance to shred

 40 Ominous sight for a swimmer

 41 Person who welds

 45 Act opener

 47 Playing hooky, say

 48 Quantity: Abbr.

 49 Big diamond?

 50 Home where slop is served

 51 What 20-, 34- and 41-Across each does in a different way

 57 It's usually a bad sign

 58 Big event for Cinderella

 59 Hovers (over)

 62 Where to find heros among men?

 63 Water, in Spanish

 64 Louvre Pyramid architect

 65 "Only Time" singer

 66 Precious stones

 67 Residences on Wingspan cards

DOWN

  1 Org. responsible for travelers' checks?

  2 Opposite of FF

  3 "Would you let me finish?!"

  4 Unadulterated

  5 "Well, isn't that ___?"

  6 How some solve crosswords

  7 Tofu might replace it

  8 Song that may end on a high note

  9 Slice of roast beef, e.g.

 10 The twins, astrologically

 11 Stench

 12 Baddie in a D&D campaign

 13 "Do-Re-Mi" animal

 21 Actor Malek

 22 "Jesus Christ Superstar" role

 23 Spiced rice dishes

 24 Like slanted type

 28 Center of a hurricane

 29 Conical home

 30 Mouth-related

 31 Stores for cigar aficionados

 32 Juggling or dancing, e.g.

 33 Like Mustangs and Miatas

 35 "___ there, done that!"

 39 Ditch Day participants: Abbr.

 41 Hauler

 42 Reusable grocery carrier

 43 Texas city hidden in "draw a conclusion"

 44 Liberal arts college in Ohio

 46 Fantasy world accessed through a wardrobe

 49 Titan holding up the sky

 51 Write in Python, say

 52 "You got that right!"

 53 Depend (on)

 54 Herb in stuffing

 55 Reunion attendee, briefly

 56 "On the ___ Up" (Angie Thomas novel)

 60 Encountered

 61 Solange, to Beyonce, for short

solution