I have put a lot of thought into what both of you said. Shaun, I tried helping MIL out with my nephew this week. I honestly do not think it is best for my son to witness not only the destructive dynamic between this grandmother and grandson but also my nephew's behavior. I do not want my son mimicking his-or his grandmother's-abhorrent behavior. So, I think that I am just going to try to forget about it as best I can. It is a real shame, but if my SIL and BIL chose to open their eyes I think that they would see that something must change. But, as you've both said, they won't do that because in their state of ignorance their lives are blissfully easy compared to most parents. Keep the status quo I guess. I'll try to be diligent about staying away and when I am there I'll be as helpful as I can be. Thank you for your imput. It was a really big help.