'When I'm angry and I don't know how to get it out, I take it out on other people. I call people names, I say they're ugly, I talk about the way they dress. And when I get into fighting mode, I just start swinging.’ When she was in high school, Halley built a reputation for herself as a bully. So did Chris, who even bullied his teachers, going so far as to break one teacher's jaw. Why do we bully? And what moves us to stop?