( PS- my personal prediction? That picture will become one of the most widely distributed, and most hated, pictures on the internet. The Illegal lobby could not have done more damage to themselves with that "Mexican Flag Superior, America in Distress" photograph if they had tried... )
I'd bet there's a fair number that haven't seen it. I usually get all the emails that are circulating, and I don't think that one has made the rounds via email yet.