This Australian Shepherd is sweet and loving—until food is involved. Then, he turns into a different dog. In one of the most tense standoffs in Dog Whisperer history, the dog threatens Cesar Millan ...

For Jake the rescue Sheltie, the sound of a vacuum or blow dryer is a declaration of war. He becomes neurotic and manic inside the house, and the chaos continues in the car with non-stop barking.