President-elect Trump has accepted President Biden's invitation to an Oval Office meeting next week. The visit is a symbolic step in the transition of power from one President to the next. NBC News' Aaron Gilchrist reports.

When Donald Trump first won the 2016 election at 70 years old, he became the oldest person to be elected U.S. president — and the first to be in his 70s at the start of his term. Joe Biden surpassed that record four years later,