What is it like to stare into the face of evil? James E. Mitchell knows.In his gripping new memoir, “Enhanced Interrogation: Inside the Minds and Motives of the Islamic Terrorists Trying To Destroy America,” Mitchell describes the day he was questioning Khalid Sheik Mohammed, when the 9/11 mastermind announced he had something important to say. “KSM then launched into a gory and detailed description of how he beheaded Wall Street Journal reporter Daniel Pearl,” Mitchell writes. Up to that moment, the CIA did not know KSM had personally carried out the murder. When asked whether it was “hard to do” (meaning emotionally difficult), KSM misunderstood the question. “Oh, no, no problem,” KSM said, “I had very sharp knives. Just like slaughtering sheep.”Read More