Across 1. Theory that answers the question “What’s the matter?” 8. Odd 15. Crescent-shaped opening 16. Opine 17. Add bit by bit 18. Crusade 19. “Misery” Oscar winner 20. Bone marrow lymphocyte 22. Lynyrd Skynyrd’s “Working for __” 23. “What __ state of affairs!” 24. Nice pen 25. 1970 A.L. MVP Powell 26. Pester 27. More than lift 28. Air ending 29. Odd 31. Grand array, maybe 32. Inexpensive way to travel 34. Female Indy racer __ Patrick 37. Secures, in a way 41. Radarange maker 42. They’re tender 43. Prefix with angular 44. With 36-Down, 1925 Broadway hit 45. Lots 46. “__ ‘70s Show” 47. Sr.’s hurdle 48. It has regular drawings 49. “The results __” 50. Some cosmetics 52. German narrative genre 54. “CHiPs” star 55. Philippines city 56. Fails to 57. Landlords Down 1. Storied woodcutter 2. Deli order 3. Performing 4. Distributed, with “out” 5. “No kidding?” 6. 2004 N.L. champs 7. His epitaph reads, “That’s all, folks!” 8. Plot 9. Oar’s fulcrum 10. Stream 11. Poet Lowell 12. Dark phase 13. 2005 Kentucky Derby winner 14. Causes to explode 21. Ruthless 24. Montana motto word 25. “... among thy green __”: Burns 27. Writer Jong 28. Some retaining walls 30. One might be charging 31. Singing voice, informally 33. Like pituitary gland functions 34. Hung loosely 35. Spanish sherry 36. See 44-Across 38. “I kissed thee ere I killed thee” speaker 39. Not so hardy 40. Exercise goal 42. Attacks 45. Lively movement 46. Palms, e.g. 48. Bridge __ 49. Sports pg. listings 51. Taxing letters 53. “A Chorus Line” song | 