We've all heard puppy horror stories about sick dogs from bad breeders, but many pet stores promise problem-free dogs from first-rate breeders. They claim the dog was raised in optimum conditions, with room to run free and healthy surroundings. But that isn't always the case. Some pet store dogs come from less than ideal places, and as Wendy Mesley discovers, it's a long and surprising journey from the breeder to the buyer.