Kessler ( Escape from the CIA ), who is the first journalist to be accorded the full cooperation of the CIA, here reveals more about the agency's structure, policies and key personnel than any previous writer has. He defines the missions of the agency's five components--the director and the directorates of operations, science and technology, intelligence, and administration. Kessler explores such diverse subjects as the agency's employment policies , the director's daily presidential briefing, the CIA's counter-narcotics efforts, the physical plant itself