Tonight's guests include:
E.J. Dionne, columnist for The Washington Post, senior fellow with the Brookings Institution and msnbc contributor
Joe Cirincione, president of the Ploughshares Fund, member of Secretary of State Hillary Clinton's International Security Advisory Board, and the Council on Foreign Relations
Ali Soufan, former FBI agent and author of the upcoming book, The Black Banners: The Inside Story of 9/11 and the War Against al-Qaeda
Executive producer Bill Wolff shares a preview of tonight's show: