As Donald Trump insists on reading Joe Biden's letter in private, here's a look at what previous United States presidents ...

President Trump found a handwritten letter from outgoing President Biden in the Oval Office’s Resolute Desk, continuing a ...

As President Joe Biden prepared to pass the baton to President-elect Donald Trump, he followed the tradition of leaving his successor a note.

Ronald Reagan probably didn't realize he was starting a tradition when he wrote a note congratulating his successor and left ...