Good luck tomorrow. Although, I don't think you'll need it if they called you back and want you to come in tomorrow.
The MLC situation will be what it is until she settles down and starts to focus on herself, her issues and realizes that she wasn't at fault for whatever stunted her emotionally as a young girl. All you can do is pray, stay as positive as you can and keep the focus on you and your children.
Can't wait to hear how the interview went.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.