Theme: Clecho - The theme(run) is in the clues. If you get it from the four same length answers, then I am in awe.
20. Good place for a run : WRIGLEY FIELD, Baseball. Wrigley Field, which was built in 1914, is playing host to Major League Baseball for the 98th season in 2011 - and to the Chicago Cubs for the 96th year.
34. Bad place for a run : NATIONAL BANK. Nowadays the banks run faster than we can catch them.
41. Good place for a run : VAIL, COLORADO. Why?
56. Bad place for a run : SILK STOCKING
Argyle here. Feels like a Tuenesday; more than a Tuesday but not quite a Wednesday. Nice symmetrical theme entries.
Across:
1. Colorless : DRAB
5. Dairy Queen treat : CONE
9. 1972 Olympics star Mark : SPITZ. Won seven gold medals in swimming.
14. Get a better int. rate, perhaps : REFI. Refinance.
15. Genesis victim : ABEL
16. Hidden repository : CACHE
17. Qualify for : EARN
18. "Jeopardy!" creator Griffin : MERV. TV.
19. Clay who was the "Idol" runner-up to Ruben Studdard : AIKEN
23. "Doesn't bother me" : "I'M COOL"
24. Logo on many a Richard Petty race car : STP. Petty is known as the King in the NASCAR world.
25. Inventor Whitney : ELI
28. Bug-loving org. : NSA. National Security Agency. Oh, those kinds of bugs.
29. Lethargic : LOGY. We had this back on March 22, 2011.
32. Schindler portrayer : NEESON. Liam. Movie: Schindler's List(1993)
36. Raced : TORE
39. Reuben bread : RYE. Sandwich of layered meat, sauerkraut and Swiss cheese, with a dressing. These are grilled between slices of rye bread.
40. Hairpieces, slangily : RUGS
46. "Portnoy's Complaint" writer Roth : PHILIP
47. Sweet companion : SOUR
48. Aptly named Quaker cereal : OH'S. Image.
51. Gloomy guy : GUS
52. Eastern philosophy : TAO
54. Danshui River capital : TAIPEI. On the island of Taiwan.
59. It might end in a sack : BLITZ. From football. Rushing the quarterback and downing him for a loss(sack).
62. Molecule part : ATOM
63. Singer with Crosby and Stills : NASH. Graham Nash.
64. Lofty abode : AERIE
65. Discipline with poses : YOGA
66. Oklahoma tribe : OTOE. Crosswords owes a lot to these four letter Indian tribes.
67. Long (for) : YEARN
68. Hostage-rescue acronym : SWAT. Special Weapons And Tactics.
69. Travel : WEND
Down:
1. Attracted : DREW IN
2. Provides with more heat? : REARMS. Heat is slang for firearms.
3. #1 Toto song that mentions Kilimanjaro : AFRICA. Song with lyrics.(4:49)
4. Game played in a hall : BINGO
5. Arthur's castle : CAMELOT
6. Passé wedding vow word : OBEY. Was it passé when you got married?
7. Soft ball : NERF
8. Lisa Marie's dad : ELVIS
9. "Going under the knife" knife : SCALPEL
10. What dues need to be : PAID
11. "Gross!" : "ICK!"
12. Pop __ question : THE
13. Meditative sect : ZEN
21. Love interest in the song "Copacabana" : LOLA. Ohrwurm.
22. Sicilian volcano : ETNA
25. Biblical twin : ESAU
26. __ Island : LONG. Short Island Iced Tea. Ingredients: 1 1/2 oz Southern Comfort; 1 1/2 oz Spiced rum; 1 splash Sour mix · Ice - fill with cola in a highball glass.
27. Signs, as a deal : INKS
30. "The __ With the Dragon Tattoo" : GIRL. Crime novel by Swedish author and journalist Stieg Larsson. Also, a film produced in Sweden in 2009 with additional releases in 2010. There is an upcoming Swedish/British/German/American film to be released in 2011.
31. Chuckleheads : YOYOs
33. River through Aragon : EBRO. Northern Spain.
34. 1994 role for Jodie : "NELL"
35. Fiddling emperor : NERO
36. Common sitcom rating : TV-PG
37. Honolulu's island : OAHU
38. Reformer Jacob : RIIS. Other than we had this recently, seems a bit hard for a Tuesday.
42. Inhabitant : CITIZEN
43. Autumn birthstone : OPAL
44. Horn & Hardart eatery : AUTOMAT. Noted for operating the first food service automats in Philadelphia and New York City. More of a Wednesday entry.
45. Neck-biting nickname : DRACula.
48. Morphine or codeine, e.g. : OPIATE
49. Muppet man : HENSON. Jim.
50. Sounded relieved : SIGHED
53. Signs off on : OKAYS
55. "You don't have to remind me" : "I KNOW"
56. Cooking instruction : STIR
57. Pack away : STOW
58. Forum attire : TOGA. The Roman forum.
59. Chestnut's stablemate, perhaps : BAY. They are close in color, according to this site. A bay horse is a brown colored horse with black points. Image. This means that the mane, tail, legs, and nose are all black. A bay horse can be very light brown to very dark brown. A famous bay horse is the racehorse Seabiscuit.
60. Wrangler competitor : LEE. Jeans.
61. 401(k) alternative, for short : IRA
Argyle