Across 1. Has to 5. Off one’s trolley 9. Card player’s headwear, perhaps 14. 0 on a phone 15. Lake in four states 16. Foreword, e.g. 17. Kiev resident 19. Insertion mark 20. Escort to the living room, say 21. Env. abbreviation 23. Enticing sign word 24. Medicinal herbs 26. Egypt’s Mubarak 28. Three-sided sword 29. “Bad Moon Rising’’ band, briefly 32. 1936 and 1937 Best Actress Luise 35. Daylong marches 38. In ___ (unborn) 39. Hardly old-fashioned 42. Bopped on the noggin 44. One end of the spectrum 45. Television announcer Don 47. Inactiveness 49. Rice and wheat, e.g. 51. Relaxing resort 52. Charter 56. Get slick, in a way 58. Meteorologist’s line 60. Jonathan Larson’s musical 62. Place for a crow’s-nest 65. “All that I am I ___ thee’’ (Psalms) 66. TV studio sign 68. With 48-down, theme of this puzzle 70. Start an Internet session 71. Scale deduction 72. Scrambler, e.g. 73. Likhovtseva of women’s tennis 74. Kitty starter 75. Doesn’t hold up well? Down 1. Chilled dessert 2. Household expenses 3. Unflappable 4. Instructor’s charge 5. Bear lair 6. Solo for Renata Scotto 7. Auto that debuted in 1899 8. Certain decimal fraction 9. Singer Damone 10. Visibly peeved 11. Chef’s gadget 12. Southern Russian city 13. Boring way to learn, to some 18. Words with pickle or minute 22. Negative joiner 25. Battle memento 27. Nejd native 30. Capital examiners, briefly 31. Land-related portfolio items 33. Prior to, poetically 34. Towel site 36. Steakhouse order, perhaps 37. Succumb to stress 39. Automobile sticker fig. 40. Trireme tool 41. Kind of ditch 43. Morales of “La Bamba’’ 46. Articulation 48. See 68-across 50. Object to find in Kakuro 53. Land on the Bay of Biscay 54. OK for the rugrats 55. Chips away at 57. An Italian cuisine 59. Tippler 60. Thing to play 61. Hydroxyl compound 63. Observatory function 64. Fruity pastry 67. Some strands in a cell 69. Something to drive off | 