There was a dog who had a good home and a good life, for a dog. From puppyhood, he had food, a place to sleep, plenty of attention and a sense there was freedom somewhere. But like most dogs, he reflected the anxiety and fear of his masters. He had dreams of glory but saw shadows everywhere. When someone shouted, he cowered. He was housebroken but sometimes he was careless, His masters hit him and he whined. When they brought home a new kitten, he...