Alexandria, VA, 2014-2-28 — /Travel PR News/ — The Global Business Travel Association (GBTA) – the voice of the global business travel industry – today announced U.S. Transportation Security Administration (TSA) Administrator John S. Pistole will be a featured speaker at Center Stage at the GBTA Convention 2014 to be held July 26-30 in Los Angeles, Calif…. Read the full press release