So When Is It Acceptable To Get A Divorce?

That's the question of this article from an Australian newspaper. Here's my question to those of you that would read this:

Whether you agree or disagree with the decision being made by the evangelical group, what would be your "Biblical" basis for supporting your argument. Can a blanket "yes" or "no" be given to such case by case situations.

What are some of the things you would consider before making up your mind if someone came to you in this situation?