Across
1. Digital clock settings
4. Playing the guard dog
14. Like stoics, emotionally
16. Couldn't turn back now
17. Not slanderous
18. Cub, kitten, or puppy
19. Now-rare drink flavor
21. Grounds for divorce
22. Around 6 trillion bucks, for the U.S.
26. Barely beat (out)
27. Grande preceder
28. Collapse in the end
34. Lincoln, Jackson, or Washington
35. 41 Across landmark
38. What's spread to the theme entries
39. Crosspiece
40. "Do ___ say!"
41. Strip location
45. Strip in a bad way
47. Treaty town of 1878
52. Acts on a burning desire
54. Vienna landmark
57. Passing words?
58. Foreign bank deposit
59. "A ___, ___ plan, a canal -- Panama!"
60. Welfare qualifiers
61. "I'm leaving," in chatrooms

Down
1. Have ___ one's pants
2. Venice suburb known for its glass
3. Handy and others
4. Moon or dream ending
5. Mars feature
6. New Jersey's controversial poet laureate ___ Baraka
7. Send in, as payment
8. One of the world's trillion-dollar economies
9. Only coach to win four Super Bowls
10. Become inedible
11. Last ___ breed
12. Like John and Paul
13. Go beyond tanning
15. Cuts off from the outside
20. African capital, informally
23. Virginia congressman Cantor
24. Be really lousy
25. Christmas present, frequently
29. Fermenting container
30. Choose the wrong path
31. Bear: Sp.
32. "Buffy the Vampire Slayer" channel
33. Univ. helpers
34. Had as a home
35. Jose's house
36. McCain country: abbr.
37. "I ___ Rainy Night"
38. Lose to gravity
42. Overtalker
43. Oil up in ceremony
44. "Illness and Metaphor" author
46. Give in to, as an impulse
47. 1930 tariff co-sponsor
48. Enough
49. Nobelist Bohr
50. ___-O-Matic (fantasy sports league)
51. They've been nonexistent for 86 years
53. Big ref. books
54. College time: abbr.
55. Calendar abbr.
56. Famed football coach Parseghian