Guests: David Mamet is a Pulitzer Prize-winning playwright and author of Recessional: The Death of Free Speech and the Cost of a Free Lunch; Nancy MacLean is a historian at Duke University and author of the New York Timesbestselling book Democracy in Chains: The Deep History of the Radical Right's Stealth Plan for America; David Leonhardt is a Pulitzer Prize-winning columnist and author of the New York Timesdaily newsletter, The Morning.