Bread is called the staff of life and bread means wheat. With our huge wheatfields in the midwest we take wheat for granted. We don't think about the possibility of the supply diminishing or about the changing nutritional value of the wheat. Eli Rogosa and the Heritage Wheat Conservancy,which she founded is collaborating with the Northeast Organic Wheat and UMass Extension to hold a Grain Conference on July 14 and 15. The first day will be held at…