2009-10-08: David Gregory
2009-10-07: William Kamkwamba
2009-10-06: Secretary Ray Mabus
2009-10-05: Sarah Vowell
2009-10-01: Joy Behar
2009-09-30: Jon Krakauer
2009-09-29: Ron Paul
2009-09-23: Tom Ridge
2009-09-22: Vali Nasr
2009-09-16: Ricky Gervais
2009-09-15: Matt Damon
2009-09-14: LeBron James
2009-08-20: Betsy McCaughey
2009-08-19: Tim Gunn
2009-08-18: Christopher McDougall
2009-08-17: David Cross
2009-08-13: Rachel McAdams
2009-08-12: Jeff Sharlet
2009-08-11: Austan Goolsbee
2009-08-10: Douglas Brinkley