Editorial: American carnage, revisited

Some look to generalized moralizing for an explanation. The problem, they say, are video games. Yet Japanese and South Korean young people love video games as much as their American counterparts, but these kinds of attacks rarely happen in either of those countries. Or it's encroaching secularism. But Northern Europe is perhaps the most secular region on Earth, and they rarely suffer such horrors. Or it's mental health. But are Americans really more prone to serious mental disorders than other people?