2007-01-10: Gov. Mike Huckabee
2007-01-09: Harry Frankfurt
2007-01-08: Louis C.K.
2006-12-20: Ben Stiller
2006-12-19: Bill Kristol
2006-12-18: Gov. Tom Vilsack
2006-12-14: Rajiv Chandrasekaran
2006-12-13: Ricky Gervais
2006-12-12: Fareed Zakaria
2006-12-11: Sen. Lincoln Chafee
2006-12-07: Ed Viesturs
2006-12-06: Eve Herold
2006-12-05: Sen. John Danforth
2006-12-04: Nathan Lane
2006-11-30: Tenacious D
2006-11-29: George Clooney
2006-11-28: Tom Waits
2006-11-27: Rep. Rahm Emanuel
2006-11-16: Mohammad Yunus
2006-11-15: Ted Koppel
2006-11-14: Sen. John Edwards
2006-11-13: Tina Fey
2006-11-09: Dustin Hoffman