[He took a sharp breath in an effort to get a hold of himself. His tone does sound a little more controlled when he talks next.]

You're bullying Peter. He's a kid. You're going after him because he said something mildly provoking. It's not right for you to attack his character like that. You've no idea what he's gone through. You're allowed your own opinion on politics- everyone is. You can go after me all you want. I really don't care what you think of me. Just leave the kids alone.

More to the point, we'd do better speaking face to face than drag everyone on the train into this.