Media, if you want to prove you did your job well in the lead-up to the Iraq war, use the same techniques that McClellan used to sell the war to you in the first place. (4:14)
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)
Vali Nasr discusses the difference between Sunnis and Shias -- though Stephen thought the major difference was whether they greeted us with flowers or candy. (7:06)
Prisoners can donate organs in South Carolina, senior citizens speak out against the war in Iraq, and Stephen speaks with author Jerome Groopman (0:30)