BERLIN (AP) — Germany's vice chancellor traveled to Volkswagen's hometown on Thursday to send a message of support to the automaker's employees, and urged the company to be pro-active in its efforts to clear up its emissions-rigging scandal. Sigmar Gabriel, who is also Germany's economy minister, joined a meeting of employee representatives from Germany and beyond as Volkswagen tries to determine who was responsible for the installation of test-cheating software and how quickly up to 11 million vehicles that potentially contain it can be fixed. Volkswagen has suspended four individuals, including three managers who were responsible for engine development, and hired U.S.