Tim Wiener's new book, Enemies: A History of the FBI sounds very promising, as he seeks to lay the federal bureau of investigation bare, Under J Edgar Hoover’s 48-yea r reign, the FBI w as a law unto itself, and more than one president compa red it to the Gest apo. “No holds were barred,” admitted Bill Sulliva n, the bure au’s hea d of counterintelligence during the l ate Fifties. “Never once did I hear anybody, including myself, ra ise the question: ‘Is this course of action which we have agreed upon lawful? Is it legal? Is it ethical or moral?’ ” A no the r agent put it more succinctly: “Nobody knew what wa s right or wrong.” The FBI w a s the closest thing th at America had to an Eastern European-style secret police. This book follows up on his award-winning book, Legacy of Ashes: The History of the CIA .