This week features a one-on-one interview with David Mamet,playwright and author of "Recessional: The Death of Free Speechand the Cost of a Free Lunch." This week's panel discussionwill include Nancy MacLean, historian at Duke University andauthor of the "Democracy in Chains: The Deep History of theRadical Right's Stealth Plan for America"; and DavidLeonhardt, Pulitzer Prize-winning columnist and author of theNew York Times daily newsletter, "The Morning."