U.S. President Barack Obama delivers remarks at a tribute to Vice-President Joe Biden (L) during an event in the State Dining room of the White House, January 12, 2017 in Washington, DC. (Photo by Olivier Douliery-Pool/Getty Images)
U.S. President Barack Obama delivers remarks at a tribute to Vice-President Joe Biden (L) during an event in the State Dining room of the White House, January 12, 2017 in Washington, DC. (Photo by Olivier Douliery-Pool/Getty Images)