"If these idiots go through with it, AND because of it NATO troops or civilians in or from NATO countries die, couldn't they be charged with inciting the murder? "
I think most hate crime legislation and that covering religious incitement is covered here in the UK. I am almost certain in the UK and many European countries such things would be stopped.
My ignorance about American laws - which State allows what and has this and that - leaves me short of an answer as to how this man can do what he proposes.
The potential to cause mass death by various means because of his actions I would think would be sufficient to need to stop him. Can anyone say why he has a right to do as he is planning?