T. COLIN CAMPBELL, at his core, is still a farm boy from northern Virginia. When we spend time together we inevitably share our stories from the farm. Whether it is spreading cow manure, driving tractors or herding cattle, both of us share a rich history in farming. But from these backgrounds, both he and I went on to other careers. It is for his other career accomplishments that I came to admire Colin. He was involved in the discovery of a chemical later called dioxin, and he went on to direct one of the most important diet and health studies ever conducted, the China Study. In between, he.
