Dogs are as individual as people. No two are exactly alike. So why should there be a single right way to train a dog or influence its behavior? There isn't, says Bonnie Bergin -- in a fascinating book that is at once a training guide and a revealing exploration of how and why dogs behave as they do.Bonnie Bergin has trained several hundred dogs of all breeds as she has developed and pioneered the concept of service dogs -- dogs trained as helpers...