Guests: Ret. Gen. Wesley Clark, musician Moby, Rev. Al Sharpton, actor Ron Silver, congressman Darrell Issa (R-CA)

Guests: Actor Richard Belzer, novelist Farai Chideya, senator John Edwards, David Frum, Ralph Nader

Guests: Actor Larry Miller, actor Sean Astin, former Bush-Cheney 2000 press secretary Mindy Tucker-Fletcher; on satellite Max Cleland and Michael Moore

Guests: Author Andrew Sullivan, journalist Ron Suskind, actor Rob Schneider, politician Carol Moseley Braun, politician Jennifer Granholm

Guests: Actor Jason Alexander, writer Deborah Simmons, actor William Baldwin, Bill Burkett (II), James Moore[ (II), Heather Wilson

Guests: Comedian D. L. Hughley, writer Debra Dickerson, actor Jon Favreau, George Allen, Rep. Dennis Kucinich

Guests: Actor Ian McKellen, politician Christine Todd Whitman, Sandy Rios, Kwame Kilpatrick, Ralph Nader

Guests: Comedian Martin Short, talk show host Tavis Smiley, economist Stephen Moore, Sen. Barbara Boxer, sportscaster Bob Costas

Guests: Author John McWhorter, comedian George Carlin, former Canadian PM Kim Campbell, HHS Secretary Tommy Thompson, NPR radio host Sandra Tsing Loh

Guests: Journalist David Frum, comedian Eddie Izzard, author Gore Vidal, former governor of Vermont Howard Dean, businessman Russell Simmons

Guests: Rep. David Dreier, former Canadian Prime Minister Kim Campbell, filmmaker Michael Moore, musician Andre 3000, Gov. Bill Owens, Ralph Nader

Guests: Comedian Steve Harvey, Rep. Kay Granger, former Rep. Bob Barr, and reporter Cokie Roberts

Guests: Comedian D. L. Hughley, former Sen. Gary Hart, writer Michelle Malkin, Rep. Rahm Emanuel, and columnist Maureen Dowd

Guests: Author Michael Eric Dyson, Rep. Dana Rohrabacher, reporter Ashleigh Banfield, author and Vietnam veteran John E. O'Neill, Brigadier General Janis Karpinski, talk show host Chris Matthews

Guests: Actor Jason Alexander, Andrew Sullivan, Arianna Huffington, Howard Dean and Pat Buchanan

Guests: Author P.J. O'Rourke, philosopher Cornel West, actress Julie Delpy, journalist Kitty Kelley, correspondent Christiane Amanpour

Guests: Screenwriter Larry Gelbart, columnist Maureen Dowd, comic strip artist Aaron McGruder, Rep. Charles Rangel, actress Drew Barrymore

Guests: Comedian George Carlin, correspondent Katty Kay, economist Stephen Moore, The Dixie Chicks, talk show host Tucker Carlson

Guests: Lt. Gov. Michael Steele, comedian David Cross, commentator Tony Snow, filmmaker Michael Moore, columnist Frank Rich

Guests: Singer Alanis Morissette, former Rep. Jim Rogan, Reverend Jesse Jackson, Dr. Howard Dean, radio show host Garrison Keillor

Guests: Former CIA director James Woolsey, former Asst. Sec. of State James Rubin, actor Bradley Whitford, environmentalist Robert Kennedy, Jr. and White House advisor Dr. Bernadine Healy

Guests: Actor Richard Belzer, General Wesley Clark, actor Kevin Costner, columnist Thomas Friedman, commentator Ann Coulter

Guests: Former U.S. Senator Alan Simpson, actress Susan Sarandon, linguist and political analyst Noam Chomsky, comedian D. L. Hughley, columnist Andrew Sullivan, and former U.S. Representative Pat Schroeder