The recent spate of protests against police brutality have changed the way the left thinks about rioting. The old liberal idea, which distinguished between peaceful protests (good) and rioting (bad), has given way to a more radical analysis. “Riots work,” insists George Ciccariello-Maher in Salon. “But despite the obviousness of the point, an entire chorus of media, police, and self-appointed community leaders continue to try to convince us otherwise, hammering into our heads a narrative of a nonviolence that has never worked on its own, based on a mythical understanding of the Civil Rights Movement.” Vox’s German Lopez, while acknowledging...