Episode 01: Richard Freeman Episode 02: Gary Rosen Episode 03: Matt Taibbi Episode 04: Muhammad Yunus Episode 05: Neil Shubin Episode 06: Jared Cohen Episode 07: Deborah Tannen Episode 08: David Levy Episode 09: Eric Weiner Episode 10: Andrew Young Episode 11: Stephen Colbert's Sport Report Episode 12: Charles Nesson Episode 13: Rick Warren Episode 14: Alex Ross Episode 15: Frans de Waal Episode 16: Andrew Napolitano Episode 17: Jacob Weisberg Episode 18: Bob Dole Episode 19: Tad Devine Episode 20: Mark Moffett Episode 21: Philip Zimbardo Episode 22: Lisa Randall Episode 23: Richard Thompson Ford Episode 24: Leonard Nimoy Episode 25: Henry Louis Gates, Jr. Episode 26: Tony Snow Episode 27: Ingrid Newkirk Episode 28: Shashi Tharoor Episode 29: Jennifer 8. Lee Episode 30: Gregory Rodriguez Episode 31: John Legend Episode 32: George McGovern Episode 33: Geraldo Rivera Episode 34: Howard Kurtz Episode 35: Sudhir Venkatesh Episode 36: Samantha Power Episode 37: Carole King Episode 38: Dee Dee Myers Episode 39: Dean Kamen Episode 40: Eric Alterman Episode 41: Van Jones Episode 42: R.E.M. Episode 43: Clay Shirky Episode 44: Jesse Ventura Episode 45: Madeline Albright Episode 46: Jeff Gore Episode 47: Robin Wright Episode 48: Chris Matthews Episode 49: The Roots Episode 50: Governor Ed Rendell Episode 51: Rep. Patrick Murphy Episode 52: Rep. Bernie Sanders Episode 53: Susan Jacoby Episode 54: Mitch Albom Episode 55: Maria Shriver Episode 56: Feist Episode 57: Anne Lamott Episode 58: Noah Feldman Episode 59: James Kunstler Episode 60: Carl Hiaasen Episode 61: Nathan Gunn Episode 62: George Johnson Episode 63: Arianna Huffington Episode 64: Dr. Mehmet C. Oz Episode 65: Jennifer Hooper McCarty Episode 66: Grover Norquist Episode 67: Andrei Cherny Episode 68: Brian Greene Episode 69: Sen. Claire McCaskill Episode 70: David Sirota Episode 71: Jon Paskowitz Episode 72: George Will Episode 73: Rep. Bob Barr Episode 74: Pat Buchanan Episode 75: Phil Weiss Episode 76: Alan Rabinowitz Episode 77: David Hajdu Episode 78: Dixon Despommier Episode 79: Kenneth Miller Episode 80: Jonathan Zittrain Episode 81: Junot Diaz Episode 82: Bishop N.T. Wright Episode 83: Barbara Ehrenriech Episode 84: Will Smith Episode 85: Neil DeGrasse Tyson Episode 86: Rep. Robert Wexler Episode 87: Dan Esty Episode 88: Jason Riley Episode 89: Rush Episode 90: Elizabeth Edwards Episode 91: Sen. Jim Webb Episode 92: Lucas Conley Episode 93: Nas Episode 94: Garrett Reisman Episode 95: Toby Keith Episode 96: Eric Roston Episode 97: Cosby Stills & Nash Episode 98: Buzz Aldrin Episode 99: Lucas Conley Episode 100: David Carr Episode 101: Kevin Costner Episode 102: Thomas Frank Episode 103: Jorge Ramos Episode 104: Jane Mayer Episode 105: Dick Meyer Episode 106: Bing West Episode 107: Scott McClellan Episode 108: Mike Huckabee Episode 109: Richard Brookhiser Episode 110: John McWhorter Episode 111: Laura D'Andrea Tyson Episode 112: Doris Kearns Goodwin Episode 113: Ron Paul Episode 114: David Paterson Episode 115: Rev. Peter J. Gomes Episode 116: Rick Reilly Episode 117: Robert Lutz Episode 118: Maria Bartiromo Episode 119: Jackson Browne Episode 120: Cornel West Episode 121: Nick Carr Episode 122: Paul Begala Episode 123: James Taylor Episode 124: Dave Levin Episode 125: Naomi Klein Episode 126: Jim Cramer Episode 127: Nate Silver Episode 128: Joe Scarborough Episode 129: Oliver Stone Episode 130: Bethany McLean, Kathleen Parker Episode 131: Joseph Stiglitz Episode 132: Shai Agassi Episode 133: Robert Greenwald Episode 134: Wynton Marsalis Episode 135: Michael Farris Episode 136: David Frum Episode 137: Jonathan Alter Episode 138: Yo-Yo Ma Episode 139: Sherman Alexie Episode 140: David Simon Episode 141: Wilco Episode 142: Andrew Sullivan Episode 143: Indecision 2008: America's Choice Episode 144: Ambassador Andrew Young Episode 145: Rachel Maddow Episode 146: Kevin Johnson Episode 147: Bob Woodward Episode 148: Stephen Moore Episode 149: Malcom Gladwell Episode 150: Paul Simon Episode 151: Michael Lewis Episode 152: Thomas Friedman Episode 153: Roland Fryer Episode 154: Jeffrey Goldberg Episode 155: Barbara Walters Episode 156: Nicholas Wade Episode 157: Geoffrey Canada Episode 158: Charlie Kaufman Episode 159: Richard Haass Episode 160: Michael Phelps