Guests: President of the Council on Foreign Relations Richard Haass, journalist Chrystia Freeland, political writer Reihan Salam, actress Olivia Wilde, comedian Adam Carolla, comedian Chris Rock

Topics: Iran, health care, Obama Republicans summit, Congress majority, guns, defense budget, caged animals

Guests: Actor Sean Penn, journalist Andrew Ross Sorkin, co-founder of the Huffington Post Arianna Huffington, director Michael Moore

Topics: Earthquakes in Haiti and Chile, Hugo Chávez, Economic activism, Health Care, the economy regulation of the financial industry, labor relations, the Oscars, Republican fundraising tactics, the Media

Guests: Senator Michael Bennet, actor Hill Harper, former Governor Gary Johnson, Amy Holmes, journalist John Heilemann

Topics: Health care, deficit spending and the national debt, climate change, marijuana legalization, race relations, Mitt Romney, No Apology: The Case for American Greatness, Eric Massa, Game Change, Liz Cheney, education, Jihad Jane

Guests: Rep. Dennis Kucinich (D-OH), San Francisco Mayor Gavin Newsom (D), economist Stephen Moore, PoliticsDaily.com editor-in-chief Melinda Henneberger and actor Emile Hirsch

Topics: Health care, the economy, regulation of banking and insurance industries, the Congo, blood diamonds, "blood minerals" from the Congo (tantalum, tungsten, and tin), Oxfam, access to clean water in developing countries, campaign finance reform

Guests: Journalist and author Christopher Hitchens, journalist Jonathan Capehart, musician Rob Thomas, President of the American Federation of Teachers Randi Weingarten and comedian Jeff Garlin

Topics: Health care, Catholic sex abuse cases, war in Iraq and Afghanistan, the Tea Party movement, Birthers, John McCain, the National Debt, Education Reform, Jesse James sex scandal, Marijuana Control, Regulation, and Education Act, altering of curriculum and guidelines for textbooks by conservatives on the Texas State Board of Education, Intelligent design, Internet flames, Celebrity political activism, Political correctness

Guests: Musician Billie Joe Armstrong, chef Alice Waters, and comedian Chris Rock

Topics: Bill conducts one-on-one interviews

Guests: Journalist David Remnick, economist Simon Johnson, journalist Laura Flanders, fmr. governor Jesse Ventura, film producer Lawrence Bender

Topics: Tea Party movement, taxation, Goldman Sachs scandal, nuclear weapons, Supreme Court

Guests: Rep. Alan Grayson, author Susan Eisenhower, journalist Matthew Continetti, author Richard A. Clarke and via satellite Dr. Jack Kevorkian

Topics: Arizona immigration law, racism in America, Army recruitment standards, technology, cyber war, South Park controversy, moderate Republicans, Sarah Palin

Guests: Rep. Anthony Weiner, political commentator Chris Matthews, economist Laura Tyson, author Ross Douthat, politician John Bolton

Topics: Gulf of Mexico oil spill, oil dependency, High-speed rail technology, Goldman Sachs Senate hearings, Arizona immigration law, Charlie Crist, 2010 midterm elections

Guests: Comedian and author Sarah Silverman, novelist Salman Rushdie, business news anchor Alexis Glick, journalist David Frum, historian Alan Brinkley

Topics: 2010 Times Square car bomb attempt, Muslim Americans, immigration, Gulf of Mexico oil spill, climate change denial, Big Business

Guests: Journalist Sebastian Junger, Mayor Cory Booker, columnist John Avlon, author S. E. Cupp, Rep. Darrell Issa

Topics: Elena Kagan Supreme Court nomination, religion, MMS and oil drilling regulation, Miranda rights, tasering

Guests: Economist Nouriel Roubini, author Ayaan Hirsi Ali, radio host Michael Eric Dyson, columnist John Fund, comedian Patton Oswalt

Topics: Libertarianism, Rand Paul, Robert Bork, oil spill containment, Richard Blumenthal, Anwar al-Awlaki

Guests: CEO of EarthEcho International Philippe Cousteau, Jr., senior editor for Newsweek Jonathan Alter, Republican political strategist Patrick Ruffini, philosopher and civil rights activist Dr. Cornel West, author Scott Turow

Topics: Oil spill, Obama's reaction to the spill, black/white net worth gap, Supreme Court

Guests: Political strategist Paul Begala, journalist Andrew Sullivan, The Nation editor Katrina vanden Heuvel, environmental advocate Van Jones, filmmaker Judd Apatow

Topics: Oil spill, Gaza flotilla raid, Joe McGinniss, Al Gore, marriage and divorce, Climate change Denial

Guests: Queen Noor of Jordan, MSNBC host Rachel Maddow, Newsweek editor Jon Meacham, ex-Senate Maj. Leader Bill Frist, director Oliver Stone

Topics: Oil spill, Republican filibustering, Dan Duncan and inheritance tax, "running government like a business", Nikki Haley, Military budget of the United States, Helen Thomas' Israel comments

Guests: Filmmaker Michael Moore, economist Robert Reich, actor Jon Hamm, journalist Martha Raddatz, Republican strategist Mark McKinnon

Topics: The Tea Party movement, Newt Gingrich describing Obama as having a 'Kenyan world view', Islamophobia in America, Christine O'Donnell's appearance on Politically Incorrect, the Democratic Party's new logo, tax cuts, Afghanistan, Republicans threatening to repeal health care reform, Republicans as the 'party of no', moderate Republicans

Guests: Pat Tillman's brother Richard Tillman, conservative activist Andrew Breitbart, CNN analyst Amy Holmes, Family Guy creator Seth MacFarlane, author and scientist Ann Druyan

Topics: Pat Tillman, Pledge to America, healthcare repeal, Don't Ask, Don't Tell repeal, Christine O'Donnell, evolution, science, climate change, Obama's Wars

Guests: Author Bob Woodward, TIME magazine columnist Joe Klein, philosopher and civil rights activist Dr. Cornel West, co-founder of Huffington Post Ariana Huffington, actor and comedian David Cross

Topics: Hamid Karzai, 2010 Elections, Carl Paladino, Meg Whitman, the economy, personal responsibility, Bishop Eddie Long, homophobia, social network services

Guests: Evolutionary biologist Richard Dawkins, journalist Andrew Ross Sorkin, conservative commentator S. E. Cupp, comedian P. J. O'Rourke, journalist Joshua Green

Topics: Gene Cranick, zero-sum economic theory, Troubled Asset Relief Program (TARP), Christine O'Donnell, Rich Iott, climate change, religion

Guests: Activist Al Sharpton, columnist Markos Moulitsas, musician John Legend, Dana Loesch, columnist Dan Neil

Topics: Bill O'Reilly, Tea Party movement, 2010 Craziest Candidate Countdown, electric cars, education, Brett Favre

Guests: Actor George Clooney, film director Rob Reiner, journalist Jake Tapper, political commentator Nicolle Wallace, Levi Johnston

Topics: Crisis in Sudan, Clarence Thomas/Anita Hill, Campaign financing, 1st Amendment/ O'Donnell, Tea Party, 2010 elections, Sarah Palin, 'Don't ask, don't tell'

Guests: Former US President Jimmy Carter, comedian Zach Galifianakis, political analyst Lawrence O'Donnell, political strategist Margaret Hoover, journalist Reihan Salam

Topics: White House Diary, 2010 midterm elections, violence and the Tea Party, 2010 Craziest Candidate Countdown, Prop 19, separation of church and state

Guests: Commentator Bill O'Reilly, Rep. Darrell Issa, journalist Fareed Zakaria, comedian Dana Gould, D.C. Mayor Adrian Fenty

Topics: 2010 midterm election results, Obama's response to election results, Republican plan, balancing the budget and cuts, social justice, education, military budget, prison population, Rep. and Dem. cooperation

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