Just up the road from my home is a field, with two horses in it. From a distance, each looks like every other horse. But if one stops the car, or is walking by, one will notice something quite amazing. Looking into the eyes of one horse will disclose that he is blind. His owner has chosen not to have him put down, but has made a good home for him. This alone is amazing. Listening, one will hear the sound of a bell. Looking around for the source of the sound, one will see that it comes from the...