Guests: From Washington, D.C.: Sens. John Kerry and Lincoln Chafee; Rep. Ileana Ros-Lehtinen, counter-terrorism expert Richard Clarke, comedian/actor Robin Williams, journalist Chris Matthews

Topics: Mark Foley scandal, 2004 and 2006 elections, Iraq War, international relations

Guests: Actor Bradley Whitford, Rep Loretta Sanchez (Calif.), columnist John Fund, hip-hop mogul Russell Simmons; via satellite, Sen Christopher Dodd (Conn.)

Topics: Congressional resolution on Iraq, economic effect of immigration, voter fraud, second Republican debate

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