UNITED STATES OF AMERICA v. LEETHANIEL VAUGHN, APPELLANT. No. 86-3096.United States Court of Appeals, District of Columbia Circuit.Argued September 18, 1987. Decided October 16, 1987. Thomas M. O’Malley, Washington, D.C., for appellant. Sharon A. Sprague, Asst. U.S. Atty., with whom Joseph E. diGenova, U.S. Atty., Michael W. Farrell and Helen M. Bollwerk, Asst. U.S. Attys., […]