I just came across a really informative website named "Sit means Sit". It is a company that offers "dog training classes, videos, and dog training information". The following link is to their radio show archives. I highly recommend listening to the interview with lawyer Ken Phillips. He is considered the world's top authority on dog bite law. His website, DogBiteLaw, is listing in the links section of this blog.
Sit Means Sit Dog Hour