1. Where one may find a single pupil?
4. Covered spot near a doorway
9. Make fun of
14. Preceder of "Jovi" and "Iver," musically speaking
15. Klutzy
16. Gung-ho
17. * Organization's expense reduction
19. Worries
20. Fed. workplace watchdog
21. Tropical tree
23. Stitched
26. Image file format
28. ___-feely
32. Rocket gasket
34. * Make things easy by providing every little detail
36. Street market
38. Electrical unit that sounds like a mantra
39. Rivals
40. Take care of a problem
43. Reach out with a brief message
47. Most movie FX, nowadays
48. ___ and Hobbes
53. * Prepare to fight
56. Do watercolors
57. Houston ballplayers
58. ___ Kippur (Jewish holiday)
60. Cummerbund
61. Sculpture type
63. Zigs and ___
65. Milk-Bone biscuit, e.g.
68. Trendy jargon ... and a hint to what's inside this puzzle's circled letters
73. Under ___ (attacked from all sides)
74. Like a nasty remark
75. Fully anesthetized
76. Elbowed
77. Song of praise
78. Delivery from Santa