Theme: H-D - Heavy Duty Harley-Davidson Hot Dogger (Hipster Doofus)
17A. Just swell : HUNKY-DORY. (The Phrase Finder)
21A. Serious romantic outing : HEAVY DATE
28A. Pursue and catch : HUNT DOWN
37A. Stylist's appliance : HAIR DRYER
49A. Yosemite granite formation : HALF DOME. (Photo)
56A. Sitcom with Richie and the Fonz : HAPPY DAYS. (1974 to 1984)
62A. Lowe's rival : HOME DEPOT. (home improvement retailer)
71A. How many TV shows are shown, and a hint to the seven longest across answers' common feature : IN HD. (in High Definition)
Argyle here. What may be lacking in quality is more than made up in quantity. Seven theme entries; an interesting collection. Some fill that might trip up a tyro but veterans should suss easily.
Across:
1. Woman who turns up in Rick's gin joint : ILSA
5. 41st or 43rd president : BUSH
9. National park in the Canadian Rockies : BANFF
14. __-chef : SOUS
15. One of Pittsburgh's three rivers : OHIO. 2 into 1. The Ohio River is formed by the Allegheny and Monongahela rivers.
16. Like a loud crowd : AROAR
19. Itsy-__ : BITSY
20. Generous __ fault : TO A
23. Hot beverage server : TEA URN. A change-up from the coffee urn.
26. Personal ad abbr. : SWF. (Single White Female)
27. Sawmill input : LOG. Lumber output.
31. South Seas wrap : SARONG
33. Freshman and sr. : YRs. (years)
34. Aussie hoppers : ROOS
36. Affected coyness, with "the" : CUTES
40. Hot under the collar : HET UP
43. Button pressed for silence : MUTE
44. Pal of Huck : TOM. Tom Sawyer and Huckleberry Finn
47. Cellphone reminders : ALERTS
52. Dues payer: Abbr. : MEM. (member)
53. Chocolate pooch : LAB
55. Like Huck and Yosemite, nounwise : PROPER names.
60. Hosp. trauma centers : ERs
61. Outwit : ONE-UP
66. Ionian Sea island : CORFU
67. Spellbound : AGOG
68. Mickey and Mighty : MICE
69. Cheez Whiz company : KRAFT
70. Shakespearean villain : IAGO. Iago is Othello's trusted advisor but is not to be trusted.
Down:
1. "More or less" suffix : ISH
2. Gehrig who usually batted after Ruth : LOU. Yankee's
3. Baskers' acquisitions : SUNTANS
4. Invite to the movies, say : ASK OUT
5. Gym specimen : BOD. Both words are shortened.
6. "Oops!" : "UH, OH!"
7. Father : SIRE
8. Georgetown team : HOYAS
9. Youthful countenance : BABYFACE
10. Saharan : ARID
11. Very few : NOT A LOT
12. Slick trick that's "pulled" : FAST ONE
13. Prepare a sunny-side-up breakfast : FRY EGGS
18. Three feet : YARD
22. Bugs and Rabbits, e.g. : VWs. (Volkswagen cars)
23. Your, of yore : THY
24. Where It.'s at : EUR. Italy/Europe
25. More formal "Me neither!" : "NOR I!"
29. Wriggly bait : WORM
30. "Ya think?" : "NO DUH!"
32. 1921 robot play : R.U.R. (Rossum´s Universal Robots)
35. Span. miss : SRTA. Señorita
37. "Ben-__" : HUR
38. "Well said" : "APTLY PUT"
39. Business review website : YELP
40. Pork knuckle : HAM HOCK
41. Rigby of Beatles fame : ELEANOR
42. Egg-based paint : TEMPERA. Don't try to fry it.
44. Some English, at Wimbledon : TOP SPIN
45. Cockney abode : 'OME
46. Body of eau : MER. French water/sea.
48. Unhappy : SAD
50. Mister Rogers : FRED
51. Scale starters : DO RE MI
54. Religion founded in Persia : BAHA'I
57. Drag on a cigar : PUFF ergo 59D. Urban haze : SMOG
58. Flexibility-improving discipline : YOGA
63. Swelled head : EGO
64. Scot's "Oh my!" : "OCH!"
65. Actor Knight : TED. from the Mary Tyler Moore Show.
Argyle
