Candle light vigils have become a way of American life, haven’t they? Columbine, Oklahoma City, September 11, and now Virginia Tech. And a grieving public that privately wonders when the insanity will ever end. Anybody know? Our politicians haven’t found the answer. Nor have our law enforcement agencies. Nor have our psychologists and school counselors. Nor have the media. Nor has the public. Nobody knows how to stop the carnage, the massacres, “the terror by night . . . the arrow that flies by day . . . the pestilence that walks in darkness . . .