Michael, I'm so sorry that your wife's sense of morals as well as her mind have flown out the window. You know the answer to you question. There is nothing you can do to stop her path of destruction. You just have to hope she will catch her ownself before she falls. It appears to be a lony drop.
Hugs to you. We are here for you friend.
Life's challenges are not supposed to paralyze you, they're supposed to help you discover who you are. -- Bernice Johnson Reagon