DAYTON-"We're hardwired for violence. The fact that you are sitting here right now means for generations and generations, there were people in your background who knew how to operate in violence, or else you would not be here today," Columbia County Under Sheriff Robbie Patterson said to the Dayton Citizen's Academy students during last Friday's class.

Patterson said a course on self-defense is actually a course in violence, and he talked about the importance of understanding the difference between social aggression, as in school yard bullying, and asocial violence, which is about destructi...