Senate Minority Leader Mitch McConnell, a Republican from Kentucky, center, wears a protective mask while walking to the Senate Chamber at the U.S. Capitol in Washington, D.C., U.S., on Tuesday, Feb. 9, 2021. The Senate begins Donald Trump's second impeachment trial today with a fight over whether the proceeding is constitutional, as a number of conservative lawyers reject the defense team’s claim that a former president can't be convicted of a crime by Congress. <br />
CAP/MPI/RS<br />
©RS/MPI/Capital Pictures