WASHINGTON, Sept. 9 -- The U.S. Department of Justice issued the following news release: * * * Man Pleads Guilty to Attempting to Use a Weapon of Mass Destruction and Attempting to Destroy an Energy Facility in Nashville * Skyler Philippi, 24, of Columbia, Tennessee, pleaded guilty today to attempting to use a weapon of mass destruction and attempting to destroy an energy facility. "For months, Philippi planned what he had hoped would be a devastating attack on Nashville's energy infrastru  more