1: Blockheads

5: Merino mamas

9: Round mound

13: Thwart

14: Entrechat or jeté

15: Bristles

16: Herr's helpmate

17: Pond organism

18: House coat

19: Tried

21: Does nothing

22: Highlands misses

23: James Dean's persona

25: KO caller

27: ___ Valley

31: Ran in the wash

35: Tango maneuver

37: Full DNA sequence

38: Blew one's cork

40: Bounce up and down

42: Strikes from a proof

43: Fished with a hook

45: Boil fluid

47: Lacking, along the Loire

48: They may be burning

50: Turn on the waterworks

52: Grammies

54: Newsworthy events

59: Colorado ski resort

62: After delivery

64: Novel setting for Solzhenitsyn

65: Cocktail hour spread

66: Stag or bull, e.g.

67: Speak formally

68: Holiday nights

69: Alka-Seltzer jingle starter

70: Kind of pool

71: Pt. of USDA

72: On cloud nine

1: Butcher's leavings

2: One from the heart

3: Italian sports cars

4: Swings around

5: Passed by

6: Lash mark

7: Itching (to)

8: Trick-taking card game

9: Furrows in one's brow?

10: Elec., e.g.

11: Lion's pride

12: Spot and Fido

15: Made a pitch

20: Debussy's 'La ___'

24: Important

26: Little lie

28: Root beer alternative

29: Harbinger

30: Promontory

31: Pitt of 'Ocean's Twelve'

32: Bowling alley

33: They're beaten in the kitchen

34: Describe

36: The old man

39: Cause to go bonkers

41: Commuter's option

44: Remote room?

46: Least harsh

49: Drained of energy

51: Container

53: Dry white Italian wine

55: Stadium accesses

56: Like old bread

57: Eagle's claw

58: Emulated Endymion

59: Bug-eyed

60: 'Natch!'

61: Course of action

63: Blended-family prefix