If democracy requires the participation of equals, has the U.S. ever really been a democracy? Professor Jedidiah Purdy of the Duke University Law School says no.

He joined to discuss his new book, "Two Cheers for Politics: Why Democracy Is Flawed, Frightening — and Our Best Hope," which argues that the best version of democracy is a never-ending, always-shifting participatory process... and that’s something that the United States has yet to achieve.