Senator Joe Biden; John F. Burns; Doug Liman

Senator Joe Biden examines the conditions on the ground in Iraq as well as the feelings in Congress and the Senate on the war. Journalist John F. Burns explains the historic shift from Sunni Arab minority rule to Shi'ite majority rule in Iraq. Doug Liman talks about his new film, "Mr. and Mrs. Smith," starring Brad Pitt and Angelina Jolie.