Saddam Hussein initially didn't think the U.S. would invade Iraq to destroy weapons of mass destruction, so he kept the fact that he had none a secret to prevent an Iranian invasion he believed could happen. The Iraqi dictator revealed this thinking to George Piro, the FBI agent assigned to interrogate him after his capture. Piro, in his first television interview, relays this and other revelations to 60 Minutes correspondent Scott Pelley this Sunday, Jan. 27, at 7 p.m. ET/PT. Piro spent almost seven months debriefing Saddam in a plan based on winning his confidence by convincing him that Piro...