FILE - In this July 17, 2019, file photo, Atlanta Mayor Keisha Lance Bottoms speaks during a Senate Democrats' Special Committee on the Climate Crisis on Capitol Hill in Washington. When the United States erupted in unrest following Martin Luther King Jr.'s assassination in 1968, his hometown of Atlanta was one of the few major cities to maintain relative peace. Mayor Keisha Lance Bottoms invoked that history in a passionate and deeply personal plea for protesters to go home. (AP Photo/Andrew Harnik, File)