evidence: Civil rights movement protests were primarily nonviolent, and BLM protests were even more so [...] Police were also more aggressive during the civil rights movement. Police arrested some protesters in 36 percent of all civil rights movement events but in just 7 percent of the Black Lives Matter protests last year. [...] King famously defended disruptive protest in his "Letter from a Birmingham Jail," saying that direct action can "dramatize the issue that it can no longer be ignored." Last year’s BLM protests were especially nonviolent. But the conservative news media and the president with his White House megaphone successfully mischaracterized them as violent. That response appears to have undermined the brief widespread outrage at the cellphone video of Floyd’s murder under a policeman’s knee, the racism that act made visible, and the protests that aimed to prompt change.