By Pia Silvani, CPDT-KA CCBC No one ever said life would be easy for a dog in our human-run world. Our canines view the world as black or white. Unfortunately, humans put their dogs in the "gray zone" due to inconsistency when teaching basic manners. Take jumping, for example. Jumping, a normal behavior in dogs is usually unacceptable to humans, unless, of course, the owner is wearing jeans. Dogs are not fashion conscious. When a dog is placed in the "gray zone," he bec