Guests: Fmr Sen John Edwards (N.C.), journalist Joel Stein, Rep Sheila Jackson-Lee (Texas), MSNBC host Chris Matthews; via satellite, chess master Garry Kasparov

Topics: Environment, biofuels, drug-resistant viruses, bringing U.S. troops home, Russian politics, Mukasey confirmation hearings, Ellen DeGeneres dog controversy.

Bill's guests include "The Great Divide" author Joseph Stiglitz, Human Rights Foundation chairman Garry Kasparov, Wilson Center President and Ex-Representative Jane Harman (D-CA), New Yorker staff writer Adam Gopnik and Foreign Policy Initiative co-founder Dan Senor.

Rep. Eric Swalwell (D-Calif.); former world chess champion Garry Kasparov; political commentator Van Jones; historian Nancy MacLean; political analyst Steve Schmidt.