Up for discussion this week at the TPMCafe Book Club is Matt Bai's The Argument: Billionaires, Bloggers, and the Battle to Remake Democratic Politics. Bai, who is covering the 2008 presidential campaign for The New York Times Magazine, has kicked things off with his first post at the Book Club. Joining us this week for the discussion will be Michael Schellenberger, Kenneth Baer, Joan McCarter, Mark Schmitt, Ed Kilgore, and Todd Gitlin. Let the argument begin.