Columbine

On April 20, 1999, two boys left an indelible stamp on the American psyche. Their goal was simple: to blow up their school, Oklahoma-City style, and to leave "a lasting impression on the world." Their bombs failed, but the ensuing shooting defined a new era of school violence-irrevocably branding every subsequent shooting "another Columbine." When we think of Columbine, we think of the Trench Coat Mafia; we think of Cassie Bernall, the girl we thought professed her faith before she was shot; and we think of the boy pulling himself out of a school window -- the whole world was watching him.…