Mozza, I really like your reply. It's inspired me as well.
MB: yep, the situation is kinda messed up. I think the best you can do is to teach your kids through your own actions. And certainly being someone who can hold her head up high with grace and dignity, and let go of anger and resentment is something beautiful and powerful to show your kids.
Hang in there. He's taken you on quite a ride, but you can simply step off and let him flail on his own... Hugs.
(P.s. this post is basically a message to myself as well...)