MICHAEL HAYDEN is a retired four-star general who served as director of the CIA, director of the National Security Agency (NSA), and chief of the Central Service (CSS). General Hayden has also served as the principal deputy director of national intelligence, the highest-ranking military intelligence officer in America. He is currently a principal at the Chertoff Group, a security consultancy co-founded by Homeland Security Secretary Michael Chertoff, and a distinguished visiting professor at the George Mason University School of Public Policy.