I think that you are too clever and principled to do either and this obviously IS a matter of principle to you. Here is an idea, perhaps you should start a fund, the contents of which could be used toward filing a class action lawsuit against him...you could donate all or a portion of the money you make off of Howard to this cause and encourage others to do the same either privately or publicly. This would both discourage him from showing his face in places where people hate him, make him uncomfortable in settings where he otherwise might feel comfortable and ultimately give poetic justice sho