1: Mao follower?

4: Spill the beans

8: Sign of healing

12: ___ mater

13: Time past

14: Christmas song

16: Nitty-gritty

17: Tip for a casino dealer

18: Tibia neighbor

19: Spoil

20: Furry friend

21: Helios, to the Romans

23: Red or Yellow

24: In base 8

26: Ran in front

28: Stain, as a fabric

30: Include

32: Sums up

36: Resistance units

39: Test choice

41: Bridges or Brummell

42: Itty-bitty

43: Gave a hoot

45: Strong coffee, slangily

46: Long and lean

48: Unresisting

49: Corn cores

50: Turn on an axis

51: ___-relief

52: 'Quadrophenia' band, with 'The'

54: 'Honor Thy Father' author Talese

56: Disconcert

60: LP measure

63: Lincoln loc.

65: EPA computation

67: '___ me think about it'

68: Up in the air

70: Olympic weapon

72: Joseph had one of many colors

73: Date destination

74: False witness

75: Round mound

76: Spider-Man slings them

77: Post-Mardi Gras period

78: Passports, e.g (abbr.)

1: Intestinal

2: TV spy Maxwell

3: Golf range surface

4: Memory morsel

5: Rioter's illegal take

6: First zoo?

7: Quilting parties

8: Actor's minimum wage

9: Put up preserves

10: Cumbersome boats

11: Tree trunk

12: BB's and bullets

15: Grassland

20: Veneer layer

22: Trite

25: NPR has none

27: Smidge

29: List abbr.

30: Distinctive atmospheres

31: Judge

33: Test-driver's car

34: Paint crudely

35: Froth

36: Night birds

37: Get better

38: Maître d's offering

40: ___-tat

44: Condensation phenomenon

47: Barrel of suds

49: Corn unit

51: Tournament exemption

53: Crone

55: Chips in a chip

57: Viva voce

58: Fraying spots

59: URL opener

60: St. Louis gridder

61: Till the ground

62: Turn in chess

64: Telephony pioneer

65: Nasty

66: Sprightly

69: Little lie

71: Chart shape

72: McBride of 'Boston Public'