[contentcards url=”https://apnews.com/article/trump-xi-china-trade-war-4c19a752c97828246c08f60f0dc54c79″ target=”_blank”] By JOSH BOAK, CHRIS MEGERIAN and MARK SCHIEFELBEIN President Donald Trump described his face-to-face with Chinese leader Xi Jinping on Thursday as a roaring success, saying…