March on Washington caps a week of protests over the police shooting of a Black man in Wisconsin

A man stands in the Reflecting Pool as people attend the March on Washington on the 57th anniversary of the Rev. Martin Luther King Jr.’s “I Have A Dream” speech.   (Carolyn Kaster/Associated Press)

A screen displays a video with Democratic vice presidential candidate Kamala Harris speaking during the March on Washington.  (Carolyn Kaster/AP)

Martin Luther King III, eldest son of Martin Luther King Jr., introduces his daughter Yolanda Renee King to speak during the March on Washington.  (Jonathan Ernst/AP)

A man walks in the Reflecting Pool during the March on Washington at the Lincoln Memorial.  (Jacquelyn Martin / Associated Press)

The daughter of Marqueese Alston, who was shot and killed by Washington’s Metropolitan Police on June 12, 2018, looks on as demonstrators gather at the Lincoln Memorial for the March on Washington.  (Jonathan Ernst / Pool Photo)

Laurie Bey, center, whose son Cameron Lamb was shot and killed by Kansas City police in 2019, stands with Merlon Ragland, Cameron’s aunt, as demonstrators gather at the Lincoln Memorial for the March on Washington.  (Jonathan Ernst / Pool Photo)

A protester has his temperature checked before entering the the National Action Committee’s “Get Your Knee Off Our Necks” rally and march at the Lincoln Memorial.  (Gabriella Angotti-Jones / Los Angeles Times)

Demonstrators gather near the Lincoln Memorial as final preparations are made for the March on Washington.  (Olivier Douliery / Associated Press)

People gather during the March on Washington at the Lincoln Memorial.  (Olivier Douliery / Getty Images)

Aqeel Daniels, 24, and Darron Wallace, 23, both of New Jersey and friends since they were 7, lay in the grass while listening to speakers during a rally for the National Action Committee’s “Get Your Knee Off Our Necks” rally and march at the Lincoln Memorial.   (Gabriella Angotti-Jones / Los Angeles Times)

Demonstrators gather at the Lincoln Memorial as final preparations are made for the March on Washington.  (Jonathan Ernst / Pool Photo)

A man fans himself with his hat inside the Lincoln Memorial as demonstrators gather for the March on Washington at the Lincoln Memorial.  (Jonathan Ernst / Pool Photo)

Activists, Black Lives Matter supporters and families gather to listen to a morning rally for the National Action Committee’s “Get Your Knee Off Our Necks” rally and march at the Lincoln Memorial on Friday, Aug. 28, 2020 in Washington, D.C.   (Gabriella Angotti-Jones / Los Angeles Times)