Sophisticated thinkers want you understand that the mayhem unfolding in Baltimore is not a riot. It is an uprising, an intifada, a revolution, whichever hashtag works best for you. Many quoted John F. Kennedy saying, “Those who make peaceful revolution impossible will make violent revolution inevitable.” Variations of Martin Luther King’s “A riot is the language of the unheard” were also repeated frequently. Salon published an article — “cross-posted with permission from the blog ‘Radical Faggot'” — defending the smashing of police cars as a legitimate political strategy. “I do not advocate non-violence — particularly in a moment like the...