She is the one who wants out and I beleive that should be CLEAR to your children. If it comes to that with me, I am going to say that I have made my fare share of mistakes but wanted to stay togethor. It is HER decsion to break up your family, not yours.
NEVER involve your children in the mud slinging. They don't care who's at fault, they are already hurt enough that one of you isn't going to be in there lives as you should and their world is upside down enough.
I do agree with the notion that it is Dan's W's job to tell them, but I would discuss exactly what she is going to say first.
Me 35/XW 33 S13 & S12 M: 10/17/98 OM & S: 07/08 D final 06/09/09 12/03/09 - 06/13/10 "Piercing" 06/13/10: Engaged to Re-marry 10/17/10 06/25/10: Expecting baby #3 2/14/11