Children can be mean to one another. But when does teasing turn into bullying? The Knox County Health Department and School System are examining that problem at a day-long Violence Prevention Conference on Wednesday July 15. Chuck Saufler is a nationally-recognized expert on school bullying. He's a school guidance counselor in Maine. Saufler tells WUOT's Ann Lloyd it can be difficult to distinguish when a child's behavior crosses the line into bullying...