How to Change Anyone’s Mind, Even in an Election

Political conventions are the stage upon which Presidential candidates need to employ one skill above all others: the art of persuasion. Jonah Berger, Professor at the Wharton School of Business, is an expert on such matters. His latest book, "The Catalyst: How to Change Anyone's Mind," argues that removing barriers is the key to changing the way people think. He speaks with Hari Sreenivasan.