Ha ha ha, Jackie!!!

Chembear, yes, do not wait until she stops barking until you enter the house - just march right in, totally ignore her and carry on with your day to day business as if she wasn't there. She will, eventually, go and lie down. Leave her for five minutes, call her, ask her to sit and reward like mad.
You are telling her that she has no business behaving like she is and will be ignored, as an Alpha ignores silly behaviour from subordinates, until she behaves in a manner appropriate to her status. Remember that this is not a dog challenging you for dominance - it is a dog that believes it IS the Alpha and is not coping with the role. No dog can in a human world. By giving it the right signals your dog will understand that it no longer has this role and more importantly that you are a safe and competent leader that knows the rules. Your dog will be more than happy (not to mention less stressed and anxious) to give up it's position as it didn't want it in the first place - she just didn't see an alternative. Stay calm and consistent, one look or word directed to the dog will strengthen her belief that you need her to look after you.
Good luck, it is really worth the effort, although it sounds like a pretty busy and stressful time for you at the moment!