Platoon sergeant likes to think himself as abusive father figure

Not all Marines grow up with an abusive father, but one Marine platoon sergeant wants to change that.

Staff Sgt. Frank O'Neil admits that he tears up every time one of his Marines is medically discharged due to injuries stemming from one his his PT sessions.

"You know, a lot of these young kids have never had an abusive father figure in their life," O'Nei…