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

Topics: The 2008 election, 2008 Democratic National Convention, McCain's VP pick Sarah Palin

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.