Mark,
This brings back many (not so pleasant) memories for me for sure. Stick to your guns-I think you are handling this in exactly the right way. ADs come and go anyway but if the big boss (and the residents) like you that is what matters. I came to the conclusion long ago that these (ADs) people just don't think like you and I do. They are not going to respect you unless forced to do so as in this case. They are a bunch of self-involved brats like much of the rest of our society has become.