Theme: Diminutive of Amelia, Hermione, Mary, Minerva or Wilhelmina - It's good the first theme is so iconic because the unifier? has no clue as to what it is by itself.
17A. Click-and-drag tool : MOUSE BUTTON
39A. Learner’s permit prerequisite, often : DRIVER EDUCATION
63A. Memorable surprise attack site : PEARL HARBOR
71A. Name associated with the start of 17-, 39- or 63Across : MINNIE
Argyle here. Technical difficulties today; Cruciverb is down so watch out for typos. Other than the unifier coming from the theme entries or the perps, a nice puzzle with some answers I didn't see until the write-up. (And now, Cruciverb is up again.)
Across:
1. Long-necked waders : EGRETS
7. Sgt. Friday’s employer : LA PD. (Los Angeles Police Department)
11. Blow away : AWE
14. __ pork: Chinese dish with pancakes : MOO SHU. and from column B: 70A. Egg foo __ : YUNG
15. Fairy tale villain : OGRE
16. Betty Crocker product : MIX
19. Impersonal pronoun : ONE
20. Barnyard brayer : ASS
21. Half an Orkan goodbye : NANU. The other half is also Nanu.
22. Enjoyed, as a lollipop : LICKED
24. Filming locations : SETS
26. More out of practice : RUSTIER
28. Reunion attendee, briefly : ALUM
30. Libyan or Liberian, e.g. : AFRICAN. Cool map.
34. Tequila plant : AGAVE
37. Kimono sash : OBI
38. Hefty volume : TOME
43. Guitarist Hendrix : JIMI
44. Reveal, in verse : OPE
45. Thick, like fog : DENSE
46. Step on the gas : SPEED UP
48. Jack of late-night TV : PAAR
50. Legislative period : SESSION
52. Mex. ladies : SRAs. (senoritas)
56. Samples a bit of : TASTES
59. Univ. military org. : ROTC
61. Dada co-founder Jean : ARP
62. Actress Gardner : AVA
66. Deafening noise : DIN
67. Sprinter’s path : LANE
68. “Seinfeld” woman : ELAINE
69. Fruit drink ending : ADE
Down:
1. Actresses Watson and Thompson : EMMAs
2. Fairy tale Mother : GOOSE
3. Shake awake : ROUST
4. Superman’s monogram : ESS
5. Afterwards : THEN
6. Forester automaker : SUBARU. After ten years of production as a compact SUV, it grew to a mid-size crossover SUV.
7. Legs-intertwined meditative position : LOTUS
8. Player’s rep. : AGT.
9. Very productive : PROLIFIC
10. Naysayer : DENIER
11. Helter-skelter : AMOK
12. Rosé or Cabernet : WINE
13. Crossed (out) : EXed
18. U.S. motto word : UNUM. "e pluribus unum"
23. Animals, casually : CRITTERS
25. Most well-informed : SAVVIEST
27. Dana’s “forbidden fragrance” : TABU
29. Grant wartime foe : LEE
31. Nickel or dime : COIN
32. “Famous” cookie guy : AMOS
33. Hawaiian goose : NENE
34. Descriptive wds. : ADJs. (adjectives)
35. Golf club part : GRIP
36. “Je t’__”: French “I love you” : AIME
37. Shelley work : ODE
40. Philosopher JeanJacques : ROUSSEAU
41. “House” actor Omar : EPPS
42. Oral health org. : ADA. (American Dental Association)
47. With intense feeling : DEEPLY
48. Motel amenity : POOL
49. “O Canada,” e.g. : ANTHEM
51. Discount rack abbr. : IRREG.
53. Former Israeli leader Yitzhak : RABIN
54. “The San Francisco Treat” suffix : -A-RONI
55. Shopper’s indulgence : SPREE
56. “I did it!” : "TADA!"
57. Raring to go : AVID
58. Of sound mind : SANE
60. Colombian city : CALI. Map.
64. __ Arbor, Michigan : ANN
65. Took flight : RAN
Argyle