If cutting the child's hair is not listed in his rights as a parent it should not have been done.
Sometimes you have to acknowledge who the fire starter was. In this case, it would be him.
If your situation with your ex is already rocky, why GIVE her a reason to get on your case?
Why not call her and talk with her about it?
Yes, she turned all the way up once the boys were there with their Caesars. But this could have been avoided. Women are catty and spiteful, it's in their nature. Sor'. So if your dumb ass gives them an excuse to rip you apart, it'll be done.
She's still dead wrong for involving her kids. Very immature. Don't think I am excusing her behavior. But he knew what he was doing as well. Especially considering the fact that he refused to let her know where they got the cut at.
And the cuts didn't even look cute. Do you see what the barber did to their heads?