What Makes Rational People Believe Irrational Things

Dan Ariely, bestselling author of Predictably Irrational and a Professor of Psychology and Behavioral Economics at Duke University, discusses how stress and ostracism lead to misbelief, what we can do as individuals to bring our country back together, and how big of a national problem misbelief actually is. Dan's new book is Misbelief: What Makes Rational People Believe Irrational Things.