1. BBQ residue
2. Horton heard one
3. Zilch
4. ___ a high note
5. Loathes
6. Biology lab supply
7. Catcher's catcher?
8. Afore
9. Negative connector
10. Auctioneer's initial offering
11. Seems logical
12. Digress
13. Puerto Rican seaport
18. Dry riverbed
21. Asian language
22. Bar stock
23. Related maternally
24. Seems logical
25. Walk nonchalantly
26. Carry on
30. One-time Alka-Seltzer pitchman
32. "S.O.S.!"
34. ___ list
36. Slugger Mel
38. "Silly" birds
39. Key in
42. Survives
44. Source of support?
47. Total
49. Sushi ingredients, often
51. Black Sea resort
52. Continental divide?
55. Ancient Greek theater
57. To be, to Caesar
58. Scrape, as the knee
59. Long, long time
61. Finish, with "up"
62. Pub pour
63. New beginning?
64. Polite address
65. Chemical suffix