U.S. President Donald Trump and Chinese President Xi Jinping will wrap up a global summit on Saturday with high-stakes talks expected to determine whether they can begin defusing a damaging trade war between the world’s two biggest economies. With the United States and China locked in growing disputes over commerce and security that have raised questions about the future of their relationship, Trump and Xi are due to sit down for dinner at the end of a two-day gathering of world leaders in Buenos Aires. The first day of the G20 summit offered glimmers of hope for progress between Washington and Beijing despite ... (full story)