Kenneth Melson, former acting director of the Bureau of Alcohol, Tobacco, Firearms and Explosives, has a new job as a "senior adviser" in the Justice Department. A bruised and battered veteran of the U.S. Civil Service explained how the government silences whistleblowers and other uncooperative employees: "They give you a big promotion, a fancy title and a new office, but no staff and nothing to do. Then they tell you to watch the flagpole in front of headquarters and, if that flag moves, you come tell us immediately. After that, you're never heard from again." Whistleblowers in the Washington...