2009-03-02: David Byrne
2009-02-26: Kris Kristofferson
2009-02-25: John Fetterman
2009-02-24: Cliff Sloan
2009-02-23: Father James Martin, Helen Fisher
2009-02-10: Robert Ballard
2009-02-09: TV on the Radio
2009-02-05: James Surowiecki, Jonah Lehrer
2009-02-04: Steve Martin
2009-02-03: Henry Louis Gates Jr.
2009-02-02: Dan Zaccagnino
2009-01-29: John Podesta
2009-01-28: Paul McCartney, Denis Dutton
2009-01-27: Philippe Petit
2009-01-26: Chris Mooney, Ed Young
2009-01-22: Jon Meacham
2009-01-21: Elizabeth Alexander
2009-01-20: Jabari Asim
2009-01-19: Frank Rich
2009-01-15: David Gregory, Shepard Fairey
2009-01-14: Alan Khazei
