Wealthy, democratic and strategically located off the Chinese coast, Taiwan has long been the most volatile issue between the U.S. and China. From Cold War skirmishes to China’s economic opening, both sides have avoided war by leaving unsettled the question of who actually owns the island. That balance is getting harder to maintain as Chinese President Xi Jinping amasses more power to pursue what he views as his country’s lost territory. Standing in the way are the U.S. Pacific Fleet and Taiwane