FILE - In this Feb. 29, 2020, file photo Rep. James Clyburn, D-S.C. listens to Democratic presidential candidate former Vice President Joe Biden speak at a primary night ...

Martin Luther King Jr. as frustrations mounted over civil rights protests in what was becoming a tumultuous, dangerous year. This country moves like a pendulum on the clo...

FILE - In this June 16, 2020, file photo District of Columbia Mayor Muriel Bowser wears a mask with the number 51 over a map of the District of Columbia during a news con...