I would just like to say that sometimes it makes sense to read a person's history before repsonding. Especially if you have a strong opinion on the subject.
Mr. B has been dealing with this situation for years. There have been many attempts to unite the children with their mother. Those attempts have not been successful for the children. His children have been through a lot and I believe he is the only one who knows what's best for them at this point in time.
I can see no reason to rush into contact after 1 week in rehab. Time will tell if she is stable enough to have contact with the children.
Keep listening to your gut Mr. B.
L