Obama not need any dog! The dog is symbol for uncertainly to human being. When the gold quest went to U.S.A from Europe, They have not any certain to her friends and all workers that the work in the gold field and mine. They do not legal at first. So they can not to call any for help. After that they can submit her mines they consider new criminal: they treachery together. At first all emigrants are friend and colleague. This is only in the first of work. When they find the gold, they to change a big enemy for together. So they began o kill and remain and below only one and her new friends: dogs! This is the real history of dog story in U.S.A