Opening of Dougherty trial. The attempt to impeach Atty. General Harry M. Dougherty, open Sat., Sept. 16, when the case was called for a hearing before House Judiciary Comm. Cong. Keller, Rep. of Minn. shown standing as he opened his charges. Cong. Volstead at rear center of platform. Hearing was postponed until Sept. to give Rep. Keller time to get his evidence together