6. Cabinet department

11. Mac

14. Teacher of Stradivari

15. Accustom

16. "Hail!"

17. Requisites, e.g.

19. Explorer or Pathfinder

20. Not obligated

21. U.N. labor org.

22. Bundle

23. Minimal

25. Not shy

26. Goes up and down

30. Acquire

31. Sled dog, often

32. Devout

35. Comics cry

38. "Major" animal

39. Copper

40. Formally surrender

41. Water tester, perhaps

42. Former Finnish coin

43. Artful move

44. "High" time

46. Advise

48. Group of eight

50. Newbie, of sorts

52. Exec, slangily

53. New beginning?

54. Maltreat

59. Bar grp., e.g.

60. Requisites, e.g.

62. Girl of song

63. Like Bo-Peep's charges

64. Let slip, as secrets

65. Nav. officer

66. Debaucher

67. Tweets, e.g.

1. Barn topper

2. Wall St. acronym

3. Shoestring

4. Any thing

5. Show

6. A warm welcome?

7. Those opposed

8. Erected

9. Nabisco treat

10. Between dos & mis

11. Requisites, e.g.

12. Throat dangler

13. Cut at an angle

18. Fret

22. Luau dish

24. Vail alternative

25. Like some hosps.

26. Not ajar

27. 100 cents

28. Requisites, e.g.

29. Calypso offshoot

30. Chap

33. Rural retreat

34. Chilled

36. Advantage

37. Howard of old musicals

39. Sty, e.g.

40. Cheat

42. Pea protector

43. Burr or Hamilton, e.g.

45. Cereal grass

47. A few last words, e.g.

48. Plains tribe

49. High-quality cigar

50. Minor, at law

51. Daft

53. Bagel topper, perhaps

55. Bound

56. Alternative to Windows

57. Preserve, in a way

58. Building additions

60. Discouraging words

61. Ala