2009-10-07: Alison Gopnik
2009-10-06: Lara Logan, the Mountain Goats
2009-10-05: Arne Duncan
2009-10-01: George Wendt, Dr. Francis Collins
2009-09-30: Richard Dawkins
2009-09-29: Matt Latimer
2009-09-28: Sheryl WuDunn
2009-09-24: Ken Burns
2009-09-23: Michael Moore, A.J. Jacobs
2009-09-22: Shai Agassi
2009-09-17: Frank Bruni
2009-09-16: The Flaming Lips
2009-09-15: Christiane Amanpour
2009-09-14: Cory Booker
2009-08-20: Chris Matthews
2009-08-19: Ang Lee
2009-08-18: Robert Wright
2009-08-17: Bill McKibben
2009-08-13: Mark Devlin
2009-08-12: Mark Johnson
2009-08-11: Jonathan Cohn
2009-08-10: Sen. Barbara Boxer
2009-08-06: Meryl Streep
