6. Junk e-mail

10. Formally surrender

14. Glower

15. Stream blocker

16. All fired up

17. Worked it out (with "on")

19. Calf-length skirt

20. Top rating, at times

21. Type of vase

22. Serf

23. Greek "S"

25. Sylvester, to Tweety

26. Fracas

29. Cons

33. Puts forth

35. Casual top

36. Adult tadpole

38. Put in motion

40. Call dibs on

42. Twisting force (var.)

43. Arthur Godfrey played it

45. Excite

46. Least adorned

49. Type of file

50. Infomercials, e.g.

51. Exams

53. Complex unit

56. Point of no return?

57. "Chicago" lyricist

60. "Peter and the Wolf" duck

61. Worked it out

65. Opera goddess

66. Where things heat up?

67. An APB, e.g.

68. And others, for short

69. Mexican bread?

70. Bisque, e.g.

1. Hissed "Hey!"

2. Heart problem, at times

3. Procrastinator's promise

4. Early hour

5. Benevolent sort?

6. Groups of bees

7. Baseball prize

8. Facilitate

9. Bride's title

10. Worked it out

11. Nefarious

12. Queen of Carthage

13. Blue-pencil

18. Cuddle

22. Muslim's journey

23. Worked it out

24. Smidgen

25. Twitter note

26. Accommodate, in a way

27. Record holder?

28. Aquarium favorite

30. Not 'neath

31. Shouldered

32. Enjoy

34. Wall supports

37. Contradict

39. Barely get by, with "out"

41. Cooking fat

44. Subjects of wills

47. Anagram of "doe"

48. Electronic music genre

52. Black, Red or Yellow

53. The "C" in UPC

54. A few last words?

55. Smoked salmon

57. Still life subject, often

58. Condition of 46A

59. Bunch of bits?

61. Finish, with "up"

62. Seth's mom

63. Sitter's acquisition

64. Winter woe