Biden Administration November 23, 2020 10:27 am 5 Things to Know About Linda Thomas-Greenfield President-elect Joe Biden is expected to nominate Linda Thomas-Greenfield as U.S. Ambassador to the United Nations. Here are five things to know about the career diplomat. Local 0:45 White House announces 2024 Easter Egg Roll theme 4:46 How the Supreme Court's student loan ruling affects borrowers