Chinese Foreign Minister Wang Yi held a phone call with US Secretary of State Marco Rubio on Thursday, just a week ahead of President Xi Jinping’s planned trip to the United States. Chinese state news agency Xinhua said in a brief report that the two diplomats held an in-depth discussion on “high-level exchanges” between the two countries. The call is expected to have locked down final details of Xi’s closely watched visit and expected summit with US President Donald Trump. The two top diplomats...