This is EXACTLY WHY I always say, Blame the Human, Not the Breed. First and foremost, I am very happy this little boy is recovering. The Below News Video explains the situation!
The assistant Maricopa County manager agreed, telling the Arizona Republic: If we all, as pet owners, take the time to think about our lifestyle and the type of breed we're attempting to acquire, then euthanasia will not be a problem for (dogs with) aggression. It's simply uneducated or uninformed selections of dogs that cause these animals to find themselves in a situation where they ... hurt someone.
There was a happy ending for Mickey!