too bad your former friend is poorly informed. I would follow Jims instructions and set him straight. He will walk away, tell you that you are wrong and to piss off, but at the end of the day, he will spread the word and the words you tell him will have meaning that will bother him.
That's what we call an information/intellectual/political/[insert word here] hand grenade. It doesn't go off as soon as you throw it, but sooner or later it does, and that's when you get the effects you're looking for. Hopefully it just doesn't go off too late.
Kyle
Girlscouts? Hmmm, I don't know... I think it's kinda dangerous to teach young girls self esteem and leadership skills.