In the year since Darren Wilson killed Michael Brown, Jr. in Ferguson, Missouri, graphic videos and images of police brutality against unarmed black Americans have flooded social media feeds, thanks to the potent combination of ubiquitous cell phone cameras and the tireless efforts of Black Lives Matter activists. Like many, I’ve followed this stream of events with increasing frustration and horror, as these incidents remind us of racism and police brutality’s knock-on effects. Racist police brutality degrades community morale,…