Irrationailty's Upside

Robert Siegel talks to behavioral economist Dan Ariely about his new book, The Upside of Irrationality. The book is a follow-up to his New York Times best-seller, Predictably Irrational, in which Ariely examined a number of biases that lead all of us to make unwise decisions. This time, Ariely explores the flipside to irrationality and how it helps us achieve great things.

Audio Embed: NPR's All Things Considered 6/1/10.