FILE - In this March 10, 2011, file photo, Vice President of the United States Joe Biden, left, shakes hands with Russian Prime Minister Vladimir Putin in Moscow, Russia. The Kremlin said Friday March 19, 2021, that President Vladimir Putin's offer for a quick call with U.S. President Joe Biden was intended to prevent bilateral ties from completely falling apart over Biden's description of the Russian leader as a killer. (AP Photo/Alexander Zemlianichenko, File)