1: Debatable gift

4: Sigma Nu, for short

8: Sources of college funding?

12: Wise guy?

13: Game on horseback

14: Part of the small intestine

16: Ditties

17: Night light

18: African snake

19: Shoes with no heels

21: Supply grub to

23: Upbeat

24: Whimsical

25: Thin-bladed tools

27: Coke's partner, at the bar

29: Drop out, in poker

30: Run smoothly

31: Temple student

34: Bolstered (up)

37: Round mound

38: Constricting snake

39: Elfin

40: Corn liquor container

41: Solid

42: Batman foe Poison ___

43: Slippery sheet

45: Some chinaware

47: Mardi Gras luminary

48: Fail to keep up

49: Civil unrest

50: Shortchange

51: Bums change

52: Bar

55: Paul's ox

58: Stretch across

60: Macbeth's title

62: Block house?

64: Indian maid

66: Elec., e.g.

67: Edam's cousin

68: Major ___

69: Mother's Day purchase

70: Nerd's friend

71: Fat on the bird feeder

72: Szechuan sauce source

1: Cunning

2: Duds

3: Failure

4: 28,800 seconds before midnight

5: Like the Astrodome

6: Juicy plants

7: Musical pitch

8: Lower, as lights

9: Morning rouser

10: Test-driver's car

11: Pinch hitters

12: Large fishhook

15: Fifth calendar page

20: Loafer, for instance

22: You can beat it

26: Trite

28: Diamond judge

29: Small one

30: Show of affection

31: Article that may list survivors

32: Became threadbare

33: Hightails it

34: Recipe direction

35: Busy place

36: Figurine mineral

37: Tint

40: Slow running pace

41: Jack Sprat no-no

43: Take wing

44: Drinks like a dog

45: Corkscrew-tailed animal

46: Popular ABC adventure series

49: Designate again

50: Crystal-lined rock

51: Arm of the Mississippi

52: Barbecue area

53: Bring together

54: Hit hard

55: Important

56: Bug-eyed

57: Down in the dumps

59: Hippies' homes

61: Good things to give your kids

63: Acorn dropper

65: Sensational