Here’s a story I heard some time ago, about a farmer who consistently won the first prize for his fine crop of corn every year at the county agricultural contest. Peculiarly, after the contest he would give away the seeds of this prize-winning corn to the neighboring farmers. This puzzled some people, until someone finally asked him why he shared his good fortune. He answered, “Well, growing corn in my field requires pollen from the neighboring fields. If they don’t have good corn in their fields, I will never be …