The food marketing chain has been and continues to be one of the most heavily studied subjects related to U.S. and, ultimately, world agriculture. It is a favorite topic for agricultural economists in and out of the academic world. An internet search will turn up more analytical material on the subject than one could possibly absorb. We mention this because several developments have recently called attention to the fact that the food system stretching from farm to dinner plate is undergoing a number of changes. A recent article in the Wall Street Journal focused on how farm demographics are altering the traditional way that farmers market their grain. For at least 150 years, a farmer typically hauled his harvested grain crops in his truck...