US President Barack Obama(R together with Vice President Joe Biden addresses, for the first time publicly, the shock election of Donald Trump as his successor, on November 9, 2016 at the White House in Washington, DC.
Throughout the two-year-long election campaign, Obama has repeated a mantra that he will do all he can to ensure the peaceful transition of power. / AFP / NICHOLAS KAMM        (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)