Guests: Fmr Sen Bill Bradley, comedian Dana Carvey, Fmr White House Press Sec'y Scott McClellan; via satellite, Rev. Al Sharpton, activist Laurie David, musician Sheryl Crow

Topics: Don Imus controversy and firing, extension of military deployments, global warming, performance of Democratic Congress

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