From farmer's son to soil scientist to missionary and back to farmer again, organic pioneer David Vetter has dedicated his life to a "ministry to the soil." With camera and camper in tow, filmmaker Bonnie Hawthorne leaves her urban comforts in the rear view mirror to learn from the Vetters-and others in their Nebraska area-about what's really going on in the Corn Belt. As interest in regenerating soil explodes worldwide,... see more