Jim Riddle, former chairman of the National Organic Standards Board, and a blueberry farmer, just returned from a short trip to Iran. He was invited to talk about organic farming. He says Iran is interested in advancing its already robust organic industry.Jim Riddle, former chairman of the National Organic Standards Board, and a blueberry farmer, just returned from a short trip to Iran. He was invited to talk about organic farming. He says Iran is interested in advancing its already robust organic industry.