UPDATE - The studs look straight, not splayed. We put WD40 at the base of the studs and then banged on the back edge of the drum. I can see where the drum is not 100% stuck, the left edge is moving just a little, just enough to see that the studs are staying in place. In the middle of the drum is a blue center piece - see attached picture. Does this need to come off before the drum comes off? Also, we found the cable going to that wheel from the parking brake. The brake is off, I set it and release it a couple of times - seems to have some pressure, but that doesn't mean it isn't rusted and stuck. I am uploading a couple of pictures to help. Thanks again, Ed