This blog post originally appeared in the Huffington Post . -MomsRising team Black lives matter. They matter whether they are taken at the hands of a hate-filled 21-year-old in a church prayer meeting, by a police officer who shoots a suspect he fears is armed or in a drive-by shooting on Chicago's south side. Thirty two people are murdered by guns every day in the United States. African-Americans represent 57 percent of the victims, despite the fact they account for only 13 percent of the overall U.S. population. Homicide is the leading cause of death for Black males aged 15-34. These lives...