1. Hogwash
2. Improve, as skills
3. Affirm
4. Minor deity
5. Shogun's capital
6. Nobel or Celsius, e.g.
7. Alliance acronym
8. Leaf-stem angle
9. Sleep stage
10. Chemical suffix
11. Start over
12. Destroy, in a way
13. "Snowy" bird
18. Coat
22. Caesar's dinner time, perhaps
24. Hosp. facility
25. More than a couple
26. Lead-in to fall?
27. Top of the heap
28. April honoree
29. A do-over
30. Crow over
31. Kent's co-worker
33. Music's Loretta
35. French resort
36. Argued
38. Aaron or Raymond
39. "Ah, me!"
43. Wins over, so to speak
45. "Absolutely!"
46. Baptism or communion
47. TV spot
48. Gastric woe
49. Conductor Koussevitzky
50. Shower time?
52. Marquee name
53. Catch a glimpse of
55. Bakery breads
56. Radial, e.g.
57. Charon's river
59. Court ploy
60. Barely get, with "out"
61. Athletic supporter?