Republican President Donald Trump’s continued power grab in the nation’s capital, and his threat to expand his militarized takeover to other Democratic-led cities, is setting up a high-stakes showdown over the country’s democracy that pits him prominently against a familiar political foe: Black women. On August 11, Trump declared that crime in the District of Columbia was “out of control,” despite violent crime being at a 30-year low, and directed Mayor Muriel Bowser, a Black woman, to hand over control of the city’s police force. Trump then attempted to oust the city’s police commissioner, a Black woman, and replace her...