FOR KAREN

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Across
  1. 4. Have no soul
  2. 7. "It's half empty"
  3. 9. The most creative, most intelligent, wittiest, (conceited too, apparently) student
  4. 10. God's gift to office stationary; my vice
  5. 11. Et tu, _?
  6. 14. Where planes and ships (supposedly) go to disappear
  7. 17. Buddy says you sit here
  8. 19. Phone home
  9. 20. What Heather prefers to crosswords
  10. 21. Casino's token waster
Down
  1. 1. Tiny land octopus
  2. 2. What isn't left
  3. 3. Pulsing through adolescent bodies
  4. 5. Failed child-taming method
  5. 6. His pants are on fire
  6. 8. Death by Nobel Prize-winning discovery, her name is _
  7. 12. Author's clogged creativity
  8. 13. They often whistle (Remember this?)
  9. 15. Number 79 on Mendeleev's magnum opus
  10. 16. Heterosexual life partners with Conan Doyle's creation
  11. 18. Don't drink that, it's _!
  12. 22. Valley girl's battle cry