1: Infection fighter

6: Internet address letters

9: Is in need of

14: Introduction

15: Get going

16: Foolish

17: Understanding

19: Cleansing agent

20: Player's peg

21: Least well done

23: Rip-roaring review

24: Lots, sometimes

25: Glass marbles

27: They're genetically identical

30: Quirk

31: Well-ventilated

32: Really dislike

35: Kind of fee

39: Watch chain

40: Dictators

42: Not the other guy

43: Come after

45: Pat oneself on the back verbally

46: Vital post on a ship

47: Arrests

49: Storklike waders

51: Squeaky-clean

54: Turned white

56: Monthly payment, for many

57: Deeply distressing

59: 'Quadrophenia' band, with 'The'

62: Diplomat

64: Flap

66: Straight-billed game bird

67: Barbie's ex-beau

68: En ___ (all together)

69: Dance with a dip?

70: Energy unit

71: Olympic weapons

1: Tiff

2: Strongly advise

3: Old wives' tales and such

4: Finder's charge

5: Punish by fining

6: '... ___ angels fear to tread'

7: Soave and Cabernet, e.g.

8: Spritzes

9: Freedom, briefly

10: Hooded jackets

11: Diamond weight

12: Scoundrel

13: Battle of the ___

18: Like a bog

22: Mai ___

24: Whichever

26: African antelopes

27: Small restaurant

28: He has his pride

29: Eyes

30: Numbers game

33: Circle sections

34: Ancient mariner

36: Spots

37: Butler, for Gable

38: Addition problems

40: Nursing need

41: Dusky

44: Opens up, as a drain

46: Buried

48: Wager

50: Turned into

51: Green garnish

52: Reddish orange dye

53: Ear bone

54: Cell phone alternative

55: Getting on in years

58: Autumn tool

59: Pansophic

60: Gardener's coil

61: Kind of column

63: Senate vote

65: Dance like Hines