Award Winning Artist, Jewel to Speak and Perform at the 2013 GBTA Convention  Alexandria, VA, 2013-06-20 — /travelprnews.com/ — The Global Business Travel Association (GBTA), the voice of the global business travel industry, today announced four-time Grammy® nominee, Jewel, will take the stage  at the GBTA Convention 2013 being held August 4-7, 2013 in San Diego,… Read the full press release