Activist Marlon Peterson of Brothers Writing to Live opens up about Black vulnerability in the face of Philando Castile, Alton Sterling and the grisly footage of their deaths at the hands of police. Orignially posted on Colorlines The police killing of Philando Castile in Falcon Heights, Minnesota, is our Emmett Till moment. Mamie Till, a Black woman, courageously ensured that the world could see the savage nature in which her son was beaten by White racists. She kept her son