Oval Office

WASHINGTON, DC - JANUARY 20: President Barack Obama leaves the Oval Office for the last time as President, in Washington, D.C. on January 20, 2017. Later today President-Elect Donald Trump will be sworn-in as the 45th President. (Photo by Kevin Dietsch-Pool/Getty Images)

Read The Letter Barack Obama Left Donald Trump Upon Leaving Office

Upon leaving office, former President Barack Obama left his successor President Donald Trump a letter that he left on the Resolute Desk in the Oval Office. Trump vowed to cherish what he called the "b...