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

Topics: Candidacy of Sarah Palin and responsibility for the subprime mortgage crisis.

Guests: Democratic consultant James Carville, Family Guy creator Seth MacFarlane, author Naomi Klein, journalist Matt Taibbi, author Reza Aslan

Topics: Tax evasion by big companies, torture, Pakistan & Taliban, US military handing out bibles, gay marriage