Book excerpt: Dominance used to be a diagnosis for all manner of badly behaved dogs, but what really is a Dominant Dog? David looks at the myths that surround Dominance and how modern trainers handle dogs that might previously have been labelled Dominant. If you want to know what Dominance really means, why enlightened trainers and behaviourists have discarded it as a diagnosis, and what has replaced it, or if you are struggling to deal with a dog you have been told is Dominant, this is the book for you...