Across 1. "Jake's Thing" writer Kingsley 5. Eastern nanny 9. Card of fortune or vice 14. Raisin rum cake 15. It's super when exploding 16. Accustom to hardship (Var.) 17. Give off 18. Crossword puzzle component 19. Odorize by burning 20. First Lady of the United States (1963-1969) 23. City with a high divorce rate? 24. Three sheets to the wind 25. Lenten symbol 28. Clint Eastwood series 31. Cookbook amt., often 34. Not carrying a heater 36. Hole-in-one 37. It can fall flat 38. First Lady of the United States (1953-1961) 42. For, how or what ending 43. Hightailed it 44. They may run on gas 45. Rep.'s counterpart 46. Water flask 49. Caviar, literally 50. Place for a half nelson 51. Happy bivalve? 53. First Lady of the United States (1861-1865) 61. Bermuda, for one 62. Word with "kill" or "hog" 63. The muse of history 64. Florida's cigar city 65. Canal or lake 66. Toast-topper, perhaps 67. Brew in a teapot, e.g. 68. Some are civil 69. Tug abruptly

Down 1. The third man 2. Famous literary bear 3. Annotation abbr. 4. Half-man, half-goat 5. Heart condition marked by chest pain 6. Rob of "Northern Exposure" 7. Fervent 8. Mecca trek (Var.) 9. Electronics whiz 10. In regard to 11. Baseball scores 12. Approximately 13. Prom attendee 21. Capital on the Aar 22. Like days of yore 25. Pinnacles 26. "Amistad" extra 27. Wimps' opposites 29. Contraction with "a prayer" or "a clue" 30. Sculpture material, sometimes 31. Babel, for one 32. Office assistant, once 33. In and of itself 35. Make public 37. Penultimate mo. 39. Sister of 63-Across 40. Bond creator Fleming 41. Province of China (Var.) 46. Light doze 47. Rich pastry 48. Passes over 50. Nearsighted one 52. "Star Trek" character 53. Clever sayings 54. Class with dissections, briefly 55. Cover with hoarfrost 56. Sketched 57. "The Explorer" of kid TV 58. Highly spiced stew 59. Mortgage, e.g. 60. Secluded corner

Solution