1: Have stuff

4: Eyes

8: Verbal zinger

11: Armageddon

13: Regional flora and fauna

15: Former Iranian ruler

16: Major ___

17: Pointing finger, usually

18: Tip for a casino dealer

19: Errors

21: After-dinner drink

23: Lighted sign contents

25: Gather on a surface

26: Disciplines

30: Cheek teeth

34: Away from the office

35: Whacks

37: Piano piece?

38: Hard hit

40: Many a 'Mad' article

42: Akebono's sport

43: Less common

45: Bun net

47: Muhammad Ali a.k.a. 'The Louisville ___'

48: Metallic tests

50: Recruit

52: Hide

54: Proofreader's mark

55: Their job is taxing

60: Shift shape

63: Sound from a fan

64: Crude counters

66: Festive affair

67: Pulls a heist

68: Go into cyberspace

69: Amaze

70: 'Sure thing!'

71: Cut in half, as a log

72: Chicken-to-be

1: Track figures

2: Steel or virgin follower

3: Ones whose proposals are seconded

4: 'Shogun' sash

5: Peel

6: Portend

7: Edible rhubarb parts

8: Conductance units

9: Acorn droppers

10: Quaker's address

12: Dispirited types

14: It requires no proof

15: Enclosures cleaned by Hercules

20: Tipplers

22: De ___ (too much)

24: 'That's ___ to me!'

26: Charmed animal?

27: Grass-skirt dances

28: Siestas

29: Rolling musician?

31: Contaminate

32: Durable fiber

33: Skiing area

36: Any day now

39: Dangerous drivers

41: Drop out, in poker

44: Deli loaves

46: Carpe __

49: Rugmaking fiber

51: Plods, as through mud

53: Timber wolves

55: Off course

56: Loafer, for instance

57: Bro and sis

58: Indian music

59: Garbage barge

61: Commercial endorsement

62: Keep in suspense

65: Quaint lodging