Theme: What? No bread? - The first word from the theme entries gives us the famous quote from today's unifier.
17A. "No holds barred!" : "LET IT ALL HANG OUT!"
22A. Where there's gold, in prospector-speak : THEM THAR HILLS
38A. Swallow one's pride : EAT CROW
53A. Worker with icing and sprinkles : CAKE DECORATOR
60A. Ruler to whom the quote formed by the starts of 17-, 22-, 38- and 53-Across is often attributed : MARIE ANTOINETTE
Argyle here. Fantastic offering from Jeff today. To get all this in a Monday with hardly a hitch...amazing. Cruciverb was down last night so my comments will be few, not that they are needed anyway.
Across:
1. Internet letters : WWW
4. President who appointed Kagan to the Supreme Court : OBAMA
9. Stuns with a blow : DAZES
14. Code cracker's cry : "AHA!"
15. Noses around : PRIES
16. Good smell : AROMA
20. Diplomatic quality : TACT
21. Like many rappers' jeans : BAGGY
28. Deli spread : MAYO
29. Kneecap : PATELLA
31. "Les __": show featuring Jean Valjean : MIZ
34. Aussie reptile : CROC
36. In a few minutes : SOON
37. Manipulate : USE
42. Singer Sumac : YMA. Did you remember?
43. Fleshy area below the knee : CALF
45. Scotch partner : SODA
46. Ellipsis element : DOT
47. Nibbled at, with "of" : HAD A BIT
51. Nadirs : LOWS
57. "... stirring, not __ mouse" : EVEN A. Sounds familiar.
58. Belgian river : YSER
66. Three-time U.S. Open winner Ivan : LENDL
67. Sympathetic words : I CARE
68. Directional suffix : ERN
69. Trumpets and trombones, e.g. : BRASS
70. "The Taming of the __" : SHREW
71. Deli bread : RYE
Down:
1. Animator Disney : WALT
2. Deli bread : WHEAT
3. Keep an eye on : WATCH
4. Decide : OPT
5. Garment with cups : BRA
6. Have a bug : AIL
7. __ toast : MELBA
8. B-flat equivalent : A-SHARP
9. "Rats!" : "DANG IT!"
10. Diamond-patterned socks : ARGYLEs. Sounds familiar.
11. Animal housing : ZOO
12. Aussie bird : EMU
13. Used a stool : SAT
18. Pair in the tabloids : ITEM
19. Turkish general : AGHA
23. Feudal armor-busting weapon : MACE
24. Banks of TV talk : TYRA
25. Owl's cry : HOOT
26. Bridges of "Sea Hunt" : LLOYD
27. Way to verify an ump's call, for short : SLO-MO
30. Med sch. subject : ANAT.
31. "__ obliged!" : MUCH
32. "I, Robot" author Asimov : ISAAC
33. Nintendo princess : ZELDA
35. Keeps in the e-mail loop, briefly : CC'S. Sounds familiar.
39. Hershey's candy in a tube : ROLO
40. Smell : ODOR
41. Trumpet effect : WA-WA
44. Documents with doctored birth dates, say : FAKE IDs
48. Cuts at an angle : BEVELS
49. Inkling : IDEA
50. 66-Across's sport : TENNIS
52. Eyelid affliction : STYE
54. "Shoestring" feat : CATCH
55. Big name in blenders : OSTER
56. Second effort : RETRY
59. Thinker Descartes : RENE
60. World Series org. : MLB
61. __ Lingus : AER
62. Cell "messenger" : RNA
63. Dinghy propeller : OAR
64. Anger : IRE
65. First word in four state names : NEW
Thank you Jeff for all the shout-outs.
