Taiwan staged a large-scale live-fire drill on a frontline island near mainland China on Wednesday, hours before President Donald Trump was due to land in Beijing for high-stakes talks with Chinese leader Xi Jinping. The exercise on Kinmen, also known as Quemoy, simulated a People’s Liberation Army amphibious assault on the coastline. The coming Xi-Trump summit has triggered renewed anxiety in Taiwan that it could become a bargaining chip in their broader negotiations, after Trump indicated that...