1: Capsize

6: Fruit for flavoring gin

10: Behaves

14: Sparkling topper

15: Little gull

16: Turn on an axis

17: Mediates

19: Buckwheat noodles of Japan

20: 'I'm Sorry' singer Brenda

21: Menlo Park monogram

22: Battlement opening

24: SWAT team specialists

28: 'You ___ here'

29: Bottoms

30: Well-ventilated

33: Type of comedy

34: Vote to kill

37: Watch part

40: Make like new

42: Afternoon brew

43: Baha'i principle

45: 'Them' insects

46: Gaze fixedly

47: Killer ___ (excellent computer program)

49: 'Boston Public' figure

54: Sundae topper

55: Soup veggie

56: Star pitcher

59: Get all stirred up

60: Total cessation

64: Mischief-makers

65: Ripped apart

66: Stand for a portrait

67: Pain in the neck

68: Body of an organism

69: Shoots out

1: Elec., e.g.

2: State tree of Maine

3: Stuffs to the gills

4: Palindromic preposition

5: Genghis Khan follower

6: Quite high

7: Ran in front

8: Unwrought iron

9: Settle snugly

10: They're good to hold

11: Carbon copy

12: Potato, for one

13: Official stickers

18: Devil-may-___

23: Mechanical learning routines

25: Robert of ''Airplane!''

26: Resort hotel

27: Popular Potter

30: It may be passed on the Hill

31: Wrath

32: Scandinavian rug

33: Seductive one

34: Dauphin's denial

35: Gallery objects

36: 'Sure thing!'

38: After-class aide

39: Some therapists

41: A runner may break it

44: Player's peg

46: Most painful to the touch

47: Sailed right through

48: Distinct stages

49: Certificate

50: Doorbell component

51: Lends a hand

52: Breathing problem

53: Paycheck booster

57: Ball of yarn

58: Silly pair?

61: Excessively

62: Get ready for a fight

63: Dance like Hines