Before he leaves office for the final time, President Joe Biden plans to pen President-elect Donald Trump a letter, CNN is told.

WASHINGTON — Ronald Reagan probably didn’t realize he was starting a tradition when he wrote a note congratulating his successor and left it in the Oval ... words for Barack Obama, who later ...

WASHINGTON (AP) — Ronald Reagan probably didn’t realize he was starting a tradition when he wrote a note congratulating his successor and left it in the Oval ... for Barack Obama, who later ...

The new president was prompted to search for the letter as he casually took questions from reporters in the Oval Office.

This will mark the first time that a president who has received a letter from an outgoing president may well be writing a letter to the same person who's the incoming president'

WASHINGTON — Ronald Reagan probably didn't realize he was starting a tradition when he wrote a note congratulating his successor and left it in the Oval Office ... for Barack Obama, who later ...

As he sat down to sign a fresh round of executive orders Trump joked with reporters, opining on everything from foreign policy to drones to the way he’s redecorated the Oval Office.

A longtime enthusiast of political tradition, Biden could well embrace membership in the ex-presidents club. The former commanders in chief from time to time pose for pictures and pat one another on the back while milling around at historic events — and sit together at VIP funerals.

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

Biden leaves behind a complicated legacy of legislative wins and economic gains, along with a trail of fractured relationships and grievances within his own party.