Author Bob Drogin explains how poor information from a taxi driver named Curveball has led to the worst intelligence and foreign policy failure in America's history. (5:10)
Nassim Nicholas Taleb's book, "The Black Swan," is about the power of randomness. Coincidentally, he was also the winner of Stephen's Pull a Guest Out of a Hat Sweepstakes. (5:56)
Liberal radio host Russ Lieber debates Stephen and plugs his book, "Raising Your Voice by Raising Your Hand: A Non-Confrontational Dissenter's Guide to Fighting Back Politely." (4:57)