Nuclear plant security : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Seventh Congress, second session, on S. 1586, a bill to amend the Atomic Energy Act of 1954 to authorize the carrying of firearms by employees of licensees, and for other purposes, S. 1746, a bill to amend the Atomic Energy Act of 1954 and the Energy Reorganization Act of 1974 to strengthen security at sensitive nuclear facilities, June 5, 2002.