Trump due in China for superpower summit with Xi

This week's trip -- the first since Trump visited in 2017 -- will involve high-stakes talks with Chinese President Xi Jinping on Thursday and Friday, during a packed itinerary that includes a state banquet and tea reception. US arms sales to Taiwan, China's controls on rare earth exports and the countries' raucous trade relationship are among the topics expected to be taken up by the heads of the world's top two economies. The war in the Middle East will also top the agenda, with a senior US official...