Follow our live coverage here.BEIJING - US President Donald Trump will seek trade wins during final meetings with Mr Xi Jinping on May 15 at a superpower summit overshadowed by the Chinese leader’s uncharacteristically sharp warning on Taiwan.The US leader is hoping to seal business deals in sectors including agriculture, aviation and artificial intelligence, but will also look for geopolitical progress in areas including the Middle East war.Mr Trump’s overtures to Mr Xi, whom he described as a “great leader” and “friend”, have so far been met with more muted tones by the Chinese leader.The warm handshakes and pomp a...