Intensifying Into Violence

“Protestors in California,” tweeted ABC News, about an incident in Oakland, “set fire to a courthouse, damaged a police station and assaulted officers after a peaceful demonstration intensified.”
If you’d presented your ninth-grade teacher with that sentence in your weekly writing assignment, she might have taken out her red pen and asked you, “How does a peaceful demonstration intensify?”
This sentence, however, was written not by a ninth-grader but by an adult, a professional journalist working for one of the world’s major television news organizations. It was not an accident. As Modern Age…