6. Part of a nuclear arsenal, for short

10. Neural network

14. Go over

15. Bolted

16. Bypass

17. Down the tubes

20. "No Exit" playwright

21. If nothing goes wrong

22. Add up

25. Show respect, in a way

26. Declines

30. Blow off steam?

32. Sticky stuff

35. Fighting force

41. Down the tubes

43. It's a sound choice?

44. Losers

45. Used a loom

47. Celtic lingo

48. Name of two presidents

53. Demands

56. Enchant

58. Mexico's national flower

63. Down the tubes

66. Airhead

67. "Roots," e.g.

68. About to explode

69. Donald and Ivana, e.g.

70. Checked out

71. "B" to a chemist

1. Con's cons

2. Bulgarian cash

3. Maple genus

4. Tangy

5. Eyeball benders

6. "___ be an honor"

7. Atlantic catch

8. Feels the heat?

9. Get better

10. "Laugh-In" co-host

11. Novelist Zola

12. Deed

13. Leaded fuel component

18. Conservative beginning?

19. Comics cry

23. He and she

24. Broadcast medium

26. New newts

27. Smudge

28. Information unit

29. Bandy words

31. Back talk

33. Tankard filler

34. Farm equipment

36. Greek "P"

37. Marginally sufficient

38. Purim's month

39. Pressures for payment

40. Recess at church

42. Sara or Robt. E.

46. Like an exit ramp

48. Follow the law

49. Dry out, informally

50. Cat-like

51. Needs

52. Moral wrong

54. Banned bug blaster

55. Hindu honorific

57. Ditch

59. Man of the hour, so to speak

60. Jet maker

61. Gaga about

62. Middle Eastern gulf

64. Ripen, in a way

65. Bit