Guests: Entrepreneur Mark Cuban, former TV anchor Catherine Crier, former press secretary Tony Snow, Rolling Stone writer Matt Taibbi (election correspondent), humorist P.J. O'Rourke

Guests: Comedian D. L. Hughley, Wall Street Journal columnist John Fund, country singer Trace Adkins, author/sex columnist Dan Savage (election correspondent), journalist Fareed Zakaria

Guests: Actor/comedian Richard Belzer, musician Herbie Hancock, reporter Martha Raddatz, political strategist Amy Holmes (election correspondent), country singer Merle Haggard

Guests: Columnist Clarence Page, feminist Kim Gandy, Rep. Darrell Issa (R-CA), pollster/author Frank Luntz, Rolling Stone writer Matt Taibbi (election correspondent)

Guests: Author/columnist Jonah Goldberg, political strategist Matthew Dowd, sportscaster Bob Costas, political humorist P.J. O'Rourke (election correspondent), CNN analyst Amy Holmes

Guests: Commentator Andrew Sullivan, veterans' activist Paul Rieckhoff, Nina Hachigian of the Center for American Progress, pollster Frank Luntz (election correspondent), Sen Claire McCaskill (D-MO)

Guests: Former Bush speechwriter David Frum, The Hotline editor Amy Walter, Rep. Jack Kingston (R-GA), Rolling Stone writer Matt Taibbi (election correspondent), journalist Tom Brokaw

Guests: Columnist Christopher Hitchens, author Shashi Tharoor, comedian Harry Shearer, author/sex columnist Dan Savage (election correspondent); via satellite, Gov Ed Rendell (PA)

Guests: MSNBC host Joe Scarborough, actor/director Adam Goldberg, NPR host Farai Chideya, journalist Jeremy Scahill (election correspondent); via satellite, fmr DNC chairman Terry McAuliffe

Guests: Rep Barney Frank (D-MA), actor Jon Hamm, professor/author Melissa Harris Lacewell, humorist/author P.J. O'Rourke (election correspondent); via satellite, CNN correspondent Michael Ware

Guests: Talk show host Tavis Smiley, journalist Robin Wright, comedian Robert Klein, author/sex columnist Dan Savage (election correspondent); via satellite, actor John Cusack

Guests: Actor Esai Morales, fmr Labor Sec Robert Reich, Rep Barbara Lee (D-CA), CNN analyst Amy Holmes (election correspondent); via satellite, Sen Arlen Specter (PA)

Guests: Counter-terrorism expert Richard Clarke, journalist Dana Priest, actor Jason Alexander; via satellite, Rep Joe Sestak (D-PA), scientist/author Richard Dawkins

Guests: Prof Cornel West, blogger Markos Moulitsas Zúniga, writer/activist Ayaan Hirsi Ali, journalist Jeremy Scahill (election correspondent); via satellite, MSNBC host Chris Matthews

Topics: TV host Phil Donahue, columnist Arianna Huffington, comedian Garry Shandling, Rolling Stone writer Matt Taibbi (election correspondent); via satellite, economist Jeffrey Sachs

Guests: Gov. Jon Corzine (D-NJ), TV host Craig Ferguson, journalist Michel Martin, Matt Taibbi (election correspondent); via satellite, Gov. Tim Kaine (D-VA)

Guests: Actress Kerry Washington, fmr. White House Press Secretary Scott McClellan, fmr. Lt. Gov. Michael Steele, journalist Jeffrey Toobin, and Real Time correspondent Dan Savage

Guests: Actress Janeane Garofalo, Author Salman Rushdie, Roseanne Barr, political consultant Paul Begala, and journalist John Fund

Guests: Musician will.i.am, journalist Naomi Klein, political blogger Andrew Sullivan; via satellite, economist Paul Krugman

Guests: Politician Ralph Nader, actor Tim Daly, National Review Online contributor Lisa Schiffren; via satellite, journalist Ron Suskind, comedian Chris Rock

Guests: Actor Alec Baldwin, reporter Christiane Amanpour, and comedian Garry Shandling; via satellite, journalist Bob Woodward

Guests: Rep. Maxine Waters (D-CA), economist Stephen Moore, and comedian Dana Gould; via satellite, director Oliver Stone, former Comptroller General of the United States David Walker

Guests: Actor Ben Affleck; actor, comedian Martin Short; pollster Frank Luntz; Sen.Bernie Sanders (I-VT); via satellite, journalist Thomas Friedman

Guests: Actor Tim Robbins, comedian Carol Leifer, political consultant Matt Dowd, economist Arthur Laffer; via satellite, ex-GOP operative Allen Raymond

Guests: Singer/Songwriter John Legend, columnist Connie Schultz, commentator Amy Holmes, Prof Cornel West; via satellite, activist Michael Moore

Guests: Comedian Howie Mandel, humorist Joe Queenan, NPR commentator Farai Chideya, political advisor Paul Begala; via satellite, Mayor Cory Booker (D-Newark)

Guests: Author and Newsweek editor Jon Meacham, actor Ashton Kutcher, Rep. Ileana Ros-Lehtinen (R-FL); via satellite, musician Sean Combs, columnist Dan Savage