Destiny Brown, senior at Ohio State University, breathed a sigh of relief in her dorm room when the guilty verdict came down for Derek Chauvin. But minutes later, she learned that a 16-year-old Black girl, Ma’Khia Bryant, had been killed that afternoon by Columbus police. “I can’t even begin to process the fact we live in a world where people’s lives — guilty or not, innocent or not — their lives just do not matter,” Brown said. Overcome with a feeling of helplessness, Brown fired off a group message to her friends. Following the demonstration, the crowd marched to the...