Families of men slain by police to protest in Washington

Protesters who have brought sections of cities across the nation to a standstill will descend on the nation's capital Saturday in hope of igniting federal action to bar racial profiling by police.

"This march is one of many demonstrations to show Congress, the country and the world that we will not stand down until systemic change, accountability and justice in cases of police misconduct are served," NAACP President and CEO Cornell William Brooks said in a statement.

Saturday's "Justice for All" march, organized by civil rights leader Rev. Al Sharpton,...