They took to the streets in downtown St. Louis on Saturday, coming by the thousands to march in protest. And what was the festering grievance that cohered these marchers, the noble cause that brought them from every corner of the country to the Gateway City? Was it the new war in Iraq? Global warming, perhaps? Or was it a higher minimum wage they were seeking? No, it was none of these things. As the St. Louis Post-Dispatch tells it [1], they came “to protest the death of Michael Brown and call for an end to police violence nationwide.”