ACROSS

1. Samuel Adams, e.g.
5. School of thought, suffix
8. Typically barbecued
12. 43,560 square feet
13. Cuzco valley empire
14. Lit again
15. Stylish
16. Disparaging remark
17. Poet Dickinson
18. Nickname of 16th U.S. President
20. Any of nature deities worshipped by ancient Semitic peoples
21. Neutral middle vowel
22. For every
23. Well-known fir
26. Old ____, a.k.a. Andrew Jackson
30. Prominent blood group
31. Leader of 16th century Italian Renaissance
34. D'Artagnan's weapon
35. Retches
37. "The ____ is the limit!"
38. Abomination
39. Substance abuser
40. Betrayed by Brutus
42. Function
43. Barack Obama in Illinois
45. Pirates, e.g.
47. ____ and tuck
48. Shipping box
50. Aftermath
52. New Deal president
56. Some like it with noodles, others with rice
57. Strong desire
58. Scent
59. West African country
60. General Robert E. and director Spike
61. Tangerine and grapefruit hybrid
62. Nonlethal gun
63. Make a mistake
64. Quantity of paper

DOWN

1. Composer Johann Sebastian
2. Sound reflection
3. Movie "____ Brockovich"
4. Break between classes
5. A spouse's parent
6. Aqua-lung
7. Stud's companion
8. Commented
9. One of the hipbones, pl.
10. Hillary's hubby
11. Pig pen
13. Plural of isthmus
14. Resembles violin and has three strings
19. What a jazz singer does
22. Bowler's target
23. Hindi courtesy title equivalent to Mr., pl.
24. Degrade
25. Famous Italian actress
26. Movie production morality code first enforced in '30s
27. Poppy seed derivative
28. Recycle
29. Republic on southwestern shores of Arabian Peninsula
32. Russian monarch
33. WWII general who became President
36. Incorrectly remembered by many as a U.S. president
38. Speak pompously
40. Police officer
41. #24 Down with an s
44. Associate or connect
46. Eat ravenously
48. Device for removing core from apple
49. Message received and understood
50. "____ my appetite"
51. Language spoken in Hokkaido, Japan
52. Govern
53. Competitive advantage
54. "The Kinks" hit
55. To remove just a little
56. CSI network