Guests: Fmr Lt. Gov. Michael Steele, fmr Hewlett-Packard CEO Carly Fiorina, TV host Craig Ferguson; via satellite, fmr Sen. John Edwards (D-NC) and basketball player John Amaechi

Topics: Developments in North Korea, Iran, and Iraq; global warming; Mitt Romney and Mormonism; Al Franken Senate campaign

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