Guests: Commentator Mike Huckabee, filmmaker Michael Moore, author Nora Ephron, reporter Jessica Yellin, Rep. Joe Sestak (D-PA) Topics: Bush, Obama, midterm elections, Iraq, veterans, health care, deficit

Guests: An interview with actor and former governor of California, Arnold Schwarzenegger. This week's panel discussion includes Andrew Ross Sorkin, host of CNBC's "Squawk Box" and author of "1929: Inside the Greatest Crash in Wall Street History--and How it Shattered a Nation"; and Mark Cuban, minority owner of the Dallas Mavericks and founder of the Mark Cuban Cost Plus Drug Company.

Guests: Actor Richard Belzer, novelist Farai Chideya, senator John Edwards, David Frum, Ralph Nader Topics: Iowa caucus, The Apprentice, Olivia Goldsmith, sexuality in islamic countries

Guests: Humorist P. J. O'Rourke, actor Ben Affleck, Rep Ron Paul (Texas); via satellite, filmmaker Michael Moore Topics: Health-care crisis, world opinion of the United States, Iraq troop surge and funding, Republican presidential race

Guests: Author Andrew Sullivan, journalist Ron Suskind, actor Rob Schneider, politician Carol Moseley Braun, politician Jennifer Granholm Topics: Janet Jackson's Super Bowl stunt, Martha Stewart, special interests' power over politicians

Guests: Activist Cindy Sheehan, Gov. Mike Huckabee, journalist Dan Savage, feminist activist Eve Ensler, novelist Kinky Friedman Topics: Camp Casey, gay marriage, health, Bush's vacation

Guests: Actor Larry Miller, actor Sean Astin, former Bush-Cheney 2000 press secretary Mindy Tucker-Fletcher; on satellite Max Cleland and Michael Moore Topics: Democratic presidential candidates, gay marriage, Israel

Guests: TV host Bill O'Reilly, academic Cornel West, actor Alec Baldwin, actor/comedienne Whoopi Goldberg, and Rev. Jesse Jackson. Topics: Pope, Terri Schiavo, Republican majority

Guests: Comedian Martin Short, talk show host Tavis Smiley, economist Stephen Moore, Sen. Barbara Boxer, sportscaster Bob Costas Topics: Bush's new ads, Kerry, Haiti, steroid scandal in baseball, Super Size Me and fast food, Martha Stewart found guilty

Guests: Comedian Steve Harvey, Rep. Kay Granger, former Rep. Bob Barr, and reporter Cokie Roberts Topics: Terrorism, Kerry's war record, corn farming, Ricky Williams, gay marriage

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 Topics: McCain–Feingold Act, Iraq, environment

Guests: Singer Alanis Morissette, former Rep. Jim Rogan, Reverend Jesse Jackson, Dr. Howard Dean, radio show host Garrison Keillor Topics: Election debates, media in politics, Iraq

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 Topics: Iraq, flu vaccinations, Bill O'Reilly lawsuit

Guests: Senator Charles Schumer (D) New York, Lt. Gov. Michael Steele (R) Maryland, Farai Chideya, Martin Short, and Jeff Gannon. Topics: Voter issues, US budget, on the Presidential press conference

Guests: Former Sec. of State Madeleine Albright, blogger Andrew Sullivan, former Canadian PM Kim Campbell, actor Michael McKean, and Rep. Bernie Sanders. Topics: Kim Jong Il, Pat Robertson, Pope, censorship, activist judges

Guests: Television journalist Anderson Cooper, Stephen Schneider, Michael Eric Dyson, actor Bradley Whitford, professor Mary Frances Berry, journalist Fareed Zakaria Topics: Hurricane Katrina, poverty, Iraq

Guests: Former Sen. Max Cleland, columnist Tina Brown, actor/comedian Larry Miller, author Tom Wolfe, police chief Richard Pennington, former Sen. John Edwards Topics: President's approval rating, poverty, police beatings, Iraq, Harriet Miers

Guests: Richard A. Clarke, reporter Helen Thomas, actor Billy Connolly, TV host Tony Snow, writer Nadira Hira Topics: Press Corps, Scooter Libby

Guests: Comedian D. L. Hughley, writer Debra Dickerson, actor Jon Favreau, George Allen, Rep. Dennis Kucinich Topics: John Kerry, John Edwards, outsourcing, black culture

Guests: Journalist David Frum, comedian Eddie Izzard, author Gore Vidal, former governor of Vermont Howard Dean, businessman Russell Simmons Topics: Madrid bombings, renewal of the Patriot Act, young voters, voting machines

Guests: Comedian D. L. Hughley, former Sen. Gary Hart, writer Michelle Malkin, Rep. Rahm Emanuel, and columnist Maureen Dowd Topics: Muhammad Khan, president Bush, racial profiling, Jim McGreevey

Guests: Sen. Norm Coleman, talk radio's Al Franken, reporter Liz Marlantes, author Gore Vidal, and basketball's Charles Barkley. Topics: Terror alerts, Voting irregularities, Iraq, Darfur, gay Republicans

Guests: Sen. Charles Schumer, PJ O'Rourke, Joy Behar, Willie Brown, Dan Senor Topics: John Roberts, Bush taking responsibility, poverty, Iraq

Guests: Author P.J. O'Rourke, philosopher Cornel West, actress Julie Delpy, journalist Kitty Kelley, correspondent Christiane Amanpour Topics: Bush family, assault weapons ban lifted, antidepressant drugs

Guests: Conservative columnist Ann Coulter, journalist Andrew Sullivan, actor Ben Affleck, writer Salman Rushdie, soldier/author Kayla Williams Topics: Harriet Miers, religion, torture