When President Joe Biden meets for the final time Saturday with his Chinese counterpart Xi Jinping, his aides say the moment will be ripe for reflection on a relationship that began more than a decade ago,

Scott Bessent, a billionaire hedge fund manager who has become a major fundraiser and economic adviser to Trump, appears to be the leading candidate for the role, two sources familiar with the transition told the BBC's US partner CBS News earlier this week.

Joe Biden meets Chinese president Xi Jinping for the last time as U.S. president on Saturday, but the leaders' goal of lowering tensions before Donald Trump's inauguration is challenged by fresh conflicts over cyber crime,