Japan's moment of truth as a leader of free trade is upon us. The world of international trade has experienced significant turbulence in the last few months. It started last spring with the American imposition of tariffs on metals citing national security risks, which affected most of America's closest allies.It continued with the onset of the U.S. trade war with China during the summer, and its dramatic escalation in the past few days as President Donald Trump authorized a 10 percent tariff on $200 billion worth of U.S. imports from China and threatened a higher 25 percent tariff if China …READ FULL ARTICLE