Episode 01: Ethan Nadelmann Episode 02: Jim Cramer Episode 03: David Kamp Episode 04: Judy Woodruff Episode 05: Alex Kuczynski Episode 06: Dinesh D'Souza Episode 07: Richard Clarke Episode 08: Bill O'Reilly Episode 09: Tom Schaller Episode 10: Michael S. Steele Episode 11: Lou Dobbs Episode 12: Mike Wallace Episode 13: Barry Lando Episode 14: Donna Shalala Episode 15: Jed Babbin Episode 16: Chuck Schumer Episode 17: Wendy Kopp Episode 18: Charlie LeDuff Episode 19: Steven Pinker Episode 20: Debra Dickerson Episode 21: Michael Oppenheimer Episode 22: Sheryl WuDunn Episode 23: Lance Armstrong Episode 24: Shashi Tharoor Episode 25: Zev Chafets Episode 26: Craig Venter Episode 27: Nina Jablonski Episode 28: Larry King Episode 29: Ben & Jerry Episode 30: Mark Frauenfelder Episode 31: Michael Specter Episode 32: Ted Koppel Episode 33: Nicholas Kristof Episode 34: Michael Eric Dyson Episode 35: Ed Viesturs Episode 36: Ayaan Hirsi Ali Episode 37: Jerome Groopman Episode 38: Willie Nelson Episode 39: Benjamin Barber Episode 40: Katie Couric Episode 41: Gwen Ifill Episode 42: Madeleine Albright Episode 43: Jabari Asim Episode 44: Clive James Episode 45: Colin Beavan Episode 46: Jeannette Walls Episode 47: Vali Nasr Episode 48: Dr. Richard Land Episode 49: John Kerry Episode 50: Elaine Pagels Episode 51: Paulina Porizkova Episode 52: Sean Penn Episode 53: Russell Simmons Episode 54: Dr. Andrew Weil Episode 55: David Walker Episode 56: Madeleine Bordallo Episode 57: Neil deGrasse Tyson Episode 58: Malcolm Gladwell Episode 59: Gina Kolata Episode 60: Conn Iggulden Episode 61: Richard Preston Episode 62: Nassi Nicholas Taleb Episode 63: Salman Rushdie, Jane Fonda Episode 64: Jann Wenner Episode 65: William Langewiesche Episode 66: Walter Isaacson Episode 67: Howard Dean Episode 68: Randy Kearse, Rep. Tom Delay Episode 69: Jared Diamond Episode 70: John Amaechi Episode 71: Bay Buchanan, Bob Deans Episode 72: Jimmy Wales Episode 73: Rep. Jan Schakowsky, Leon Botstein Episode 74: Jessica Valenti Episode 75: Carl Bernstein Episode 76: Cullen Murphy Episode 77: Dr. Michael D. Gershon Episode 78: Josh Wolf Episode 79: Rep. Ron Paul Episode 80: Daniel B. Smith Episode 81: Toby Keith Episode 82: Anne-Marie Slaughter Episode 83: Will Schwalbe Episode 84: Vincent Bugliosi Episode 85: Tom Hayden Episode 86: David France Episode 87: Tom Blanton, Daniel Gilbert Episode 88: Doug Bailey Episode 89: Richard Florida, Ben Nelson Episode 90: Mark Moffett Episode 91: John Mellencamp Episode 92: Frank Sulloway Episode 93: Simon Schama Episode 94: Anthony D. Romero Episode 95: Charles Kaiser Episode 96: Robert Shrum Episode 97: Evan Osnos Episode 98: Kathleen Kennedy Townsend Episode 99: Michael Beschloss Episode 100: Michael J. Behe Episode 101: Ian Bogost Episode 102: Jim Cramer, Tina Brown Episode 103: Judd Apatow Episode 104: Michael Jacobson Episode 105: Jerry Miller, Spencer Wells Episode 106: Michael Wallis Episode 107: Mike Huckabee Episode 108: Nathan Sawaya Episode 109: Michael Shermer Episode 110: Richard Branson Episode 111: Thomas E. Ricks Episode 112: Bjorn Lomborg Episode 113: Garrison Keillor Episode 114: Joel Klein Episode 115: Ed Begley Jr Episode 116: Susan Sarandon Episode 117: Naomi Wolf Episode 118: Jeffrey Toobin Episode 119: Thomas Friedman Episode 120: John Grisham Episode 121: Tony Bennett Episode 122: David Schwartz Episode 123: Charlie Savage Episode 124: John Mearsheimer Episode 125: Jim Lovell Episode 126: John Kao Episode 127: George Saunders Episode 128: Stephen Colbert Episode 129: General Wesley Clark Episode 130: Chris Jordan Episode 131: Paul Glastris Episode 132: Bob Drogin Episode 133: Garry Kasparov Episode 134: Craig Newmark Episode 135: Richard Berman Episode 136: Craig Venter Episode 137: Col. Lawrence Wilkerson Episode 138: Walter Kirn