1: Radar reading

6: Get ready for a fight

9: Stored to develop aroma, as tobacco

13: Door attachment

14: Brat's stocking stuffer

16: ___ fide

17: Rolex rival

18: Seed covering

19: Pretentious

20: Ancient mariner

21: Most puzzle constructors

24: Mirthful states

26: Far from bold

27: Lung membrane

29: Chews the fat

31: Subdivision divisions

32: Tout

34: Humdinger

37: Squadrons

39: First zoo?

40: Minutes taker, perhaps

42: Brief time, briefly

43: Flood stoppers

46: Cumbersome boats

47: Cone droppers

48: Red shade

50: Clearing

52: Fruity desserts

53: Formulaic writing

56: Baby bear

59: Job for a grease monkey

60: Paraphernalia

61: Allowance-earning task, perhaps

63: Reason and Enlightenment

64: Southern roots

65: Documentary subject

66: Hit hard

67: Mai ___

68: Tiny dot

1: Whiskey measure

2: Strong cotton

3: Full of pep

4: Chicken-to-be

5: More in need of a hearing aid

6: Has lumbago

7: Bounder

8: Expanse near the Capitol

9: Count on it

10: Impales

11: Ledger transaction

12: Popular NBC soap, for short

15: Andean beasts of burden

22: Sow's opposite

23: They may be passed in school

25: Lascivious longing

27: Favorable factor

28: Unaccompanied

29: Anxieties

30: Go backpacking

33: Rip-roaring review

34: Submarine's viewing instrument

35: Printing liquids

36: Sit before a lens

38: Type of guitar

41: Like lemons

44: Get-up-and-go

45: 'Flee, feline!'

47: Least colorful

49: Puts up

50: Swindle

51: Bad press?

52: Ankle bones

53: Spill the beans

54: Fen fuel

55: Buddhist leader

57: Kind of acid

58: Call's partner

62: Bounce like a kangaroo