Puzzle

 ACROSS

  1 Cuts with a beam

  6 Not quite closed

 10 Hollow pasta

 14 Cooking oil source

 15 Vague feeling, slangily

 16 Snake eyes

 17 Where conventioneers often congregate (see squares 2 to 7)

 19 Carvey of "Wayne's World"

 20 Yellowfin tuna

 21 One unlikely to go clubbing

 22 Good with wordplay

 23 "___ of the North"

 25 Truth stretcher

 26 Like many a model ship (6 to 10)

 32 Gold brick

 35 Wear away

 36 Born, in France

 37 Former filly

 38 It shares an island with the Dominican Republic

 39 Read, as lines?

 40 Oral health org.

 41 Squander

 42 Like a stereotypical tech whiz

 43 1999 biopic about Andy Kaufman (1 to 5)

 46 "Mine!"

 47 World capital that shares its name with a Native American tribe

 51 Ring great Ali

 53 Packaging string

 56 Ending for "southwest"

 57 African succulent

 58 Dropped by (2 to 5)

 60 Confederation that included Latvia, for short

 61 Weigh station unit

 62 Act badly?

 63 Some deer

 64 Kunis of "Family Guy"

 65 Scruffs

DOWN

  1 "Mean Girls" actress Lindsay

  2 Hi, in Hawaii

  3 Peaceful demonstration

  4 Eden outcast

  5 Person who betrays their principles

  6 Cosmetics giant

  7 Agree (with)

  8 Shortened wd.

  9 Playa del ___

 10 Signs of the times?

 11 Mesmerized

 12 Circus structure

 13 "By Jove!"

 18 Mischievous Norse god

 22 Become aware, with "up"

 24 Wind quintet instrument

 25 Wine city near Sacramento

 27 Get a lead on?

 28 Stale

 29 Emblem on a pole

 30 Release, as classified information

 31 Start of a choosing rhyme

 32 Muslim prayer leader

 33 Zero, to Zorro

 34 Exaggeratedly impressive

 38 Sombreros and such

 39 On its way

 41 Sports org. for Lisa Leslie and Sheryl Swoopes

 42 Settled a score

 44 Crude ships

 45 Chaplin who will star in "Avatar 2"

 48 Noted Greek fabulist

 49 Compose

 50 Poker pot starters

 51 Extol

 52 As well

 53 Travel toward a terminal, say

 54 Determination

 55 Notion

 58 Cooking spray brand

 59 "___ big fan!"

Solution