The most controversial essays from the bestselling author once called the most dangerous man in America—collected for the first time. The nation’s most-cited legal scholar who for decades has been at the forefront of applied behavioral economics, and the bestselling author of Nudge and Simpler, Cass Sunstein is one of the world’s most innovative thinkers in the academy and the world of practical politics. Listen to his conversation with Michael on "Conspiracy Theories and Other Dangerous Ideas." Original air date 1 April 2014. The book was published on 18 March 2014.