Today though she was SO good that I let her out in the yard with Buzz and Fritz, but she had to wear her muzzle, just in case. Boy, did she have a ball! She's really doing well with other dogs as long as they LISTEN to her. Fritz responded wonderfully to her verbal and non-verbal cues. She wore her muzzle the whole time, and probably will next time too... but she was so good and had so much fun racing around, barking, chasing.
I never would have let this happen if she didn't make a Golden-boy friend last summer. When dogs respond to her, she relaxes and has a great time. If they don't or can't respond, then she aggresses because they aren't listening. When she doesn't need to aggress, she acts like a normal, good dog.
Oh, and Buzz is exhausted too. He played for quite a bit then asked to go inside. I would have taken pictures, but it's SNOWING here. Hopefully next time there will be photographic evidence.