FILE - In this March 10, 2011, file photo, Vice President of the United States Joe Biden, listens to Russian Prime Minister Vladimir Putin, during their meeting in Moscow, Russia. Putin won't congratulate President-elect Joe Biden until legal challenges to the U.S. election are resolved and the result is official, the Kremlin announced Monday, Nov. 9, 2020. (AP Photo/Alexander Zemlianichenko, File)