Retailers expand gluten-free offerings

More mainstream grocery stores and retailers are carrying a variety of gluten-free products. In Minnesota, Target stores with grocery departments can offer hundreds of items. Sales are up from 30% to 50% at Cub Foods stores, and the chain's website helps consumers create shopping lists of gluten-free items. http://minnesota.publicradio.org/display/web/2012/07/29/business/gluten-food-companies/