1: Hit the showers

6: Go postal

10: Got out of Dodge

14: Ear-related

15: Soft drink nut

16: Take pleasure in

17: Expertise

18: Footnote word

19: Analogous

20: Joins wires or film

22: Invention protection

24: Important work

25: Many are broadcast

26: Confront boldly

29: More likely to mouth off

30: It's heard in a herd

31: Black ball, in billiards

33: Dunderheads

37: Dessert wine

39: Jib and spanker

41: Back of the neck

42: Spirited horse

44: Blueprints, briefly

46: 'Silent' prez, familiarly

47: Petulant expressions

49: Last word of a well-known FDR quote

51: Late fare

54: Boxing match

55: Basketry twigs

56: Etiquette

59: Vintners' vessels

60: Sacred bird of Egypt

62: Lionel Richie hit

64: Harness race pace

65: Warm in the microwave

66: Come after

67: Goes for

68: Spots

69: Takes to the prom, e.g.

1: ___-relief

2: Black-and-white divers

3: Send sprawling

4: Hounds hunt holler

5: Oval

6: Berlin's 'Blue ___'

7: Acknowledges silently

8: Tap output

9: Grassy plains of Argentina

10: Stove-heated presser

11: Compare

12: Barely getting by, with 'out'

13: Fender bender nicks

21: Skin

23: Mocked by imitating

25: King or queen

26: Band boxes?

27: Diving bird

28: Roy Innis's org.

29: Political party managers

32: Argon and krypton, for two

34: Carp cousin

35: October birthstone

36: Starter starter?

38: Teapot dwellers?

40: Junior, often

43: Busy sort

45: Like bonsai

48: Like a bear

50: Breastbones

51: ___ voce

52: Commit a coup d'état

53: Wine grape

54: Points on a diamond?

56: Connors of 'Mannix'

57: Corrode

58: Turn on an axis

61: Bull's suggestion

63: 'Sure thing!'