Before Joseph R. Biden Jr. was sworn in 2021, Donald J. Trump held the record for the country’s oldest commander in chief. He ...

Sen. Chuck Grassley, 91, was sworn in as Senate president pro tempore on Friday, making him third in line to the presidency. The position goes to the longest-serving senator of the majority party.

making this the largest group of Black senators to ever serve concurrently in the U.S. Capitol, a building constructed with the labor of enslaved Black people. The previous longest-serving Black ...