5. Enforceability

10. Speak like Don Corleone

14. Buffalo Bill

15. Fashionably nostalgic

16. Barcelona thirst quencher

17. Sch. near the Mexican border

18. Coverings for wires

20. Maker of the ThinkPad laptop

22. Contemporaries of the Sadducees

23. Terse reaction to a game failure

24. Raid, e.g.

26. Kilt relative

28. Israeli weapons

29. Bill's title buddy

30. __ potatoes

33. Types of oranges

34. Nap period, in Latin America

36. __ minérale (French spring supply)

39. Series-ending abbr.

40. Ruhr wines

42. Linguist's concern

45. Gets clean

46. Language of the Talmud

47. Haley Joel __

48. Destination of a convergent sequence

51. Alan who hosts the "Clear+Vivid" podcast

52. Style

53. Milky way?

54. Old security device

55. Bogotá baby

56. Singer Bryson

57. Alter __ amicus

1. Eye doctor

2. Aka wagon wheel pasta

3. Of the lymph glands

4. Big Apple paper, briefly

5. The Stooges, e.g.

6. Morn's opposite

7. UFO fliers, presumably

8. Basis of some films

9. "The Perfect Fool" composer

10. Big Fed announcements

11. Consider a tough decision, say

12. "That's right!"

13. Doesn't fail

19. "__ was saying..."

21. Sporty scooters

24. Classical verse form

25. Undependable

27. "Categorical imperative" philosopher

31. Goes (for)

32. Fishing attachments

33. Resin ingredient

34. Like a mule, usually

35. Civil rights protest declaration

36. Wrap

37. Axes to grind

38. Mississippi or Ohio

39. New Age retreat in Big Sur

41. "What did you call me?!"

43. Washington NLer

44. Tilt skywards

47. Juan's "other"

49. Ballerina Rubinstein, for whom Ravel wrote "Boléro"

50. Wyo. neighbor