2009-07-21: Dr. Aaron Carroll
2009-07-22: Matthew Waxman, Chris Anderson
2009-07-23: Zev Chafets
2009-07-27: Movits!
2009-07-28: Arianna Huffington
2009-07-29: Kevin Baker
2009-07-30: Kathryn Bigelow
2009-08-03: Gen. Tony Zinni
2009-08-04: Kurt Andersen
2009-08-05: Kris Kobach
2009-08-06: Meryl Streep
2009-08-10: Sen. Barbara Boxer
2009-08-11: Jonathan Cohn
2009-08-12: Mark Johnson
2009-08-13: Mark Devlin
2009-08-17: Bill McKibben
2009-08-18: Robert Wright
2009-08-19: Ang Lee
2009-08-20: Chris Matthews
2009-09-14: Cory Booker
2009-09-15: Christiane Amanpour
2009-09-16: The Flaming Lips
2009-09-17: Frank Bruni
