We loved Billy, fed and cared for him for sixteen and a half years. Bringing him home as a four month old from the shelter that rescued him, along with his sister, from underneath a suburban porch in Upstate New York, I held him easily in the palm of my hand. (Inside, full color photographs show Billy at his best.) We will never know anything about his parents or what his life was like in the months before we brought him home. But from his first days...