(CNSNews.com) – First lady Michelle Obama is praising what has often been one of the left’s biggest targets, Walmart, for helping to fight obesity and “food deserts” in the United States. “At Walmart, you can believe that as America’s largest retailer, you have an obligation that goes far beyond the bottom line,” Obama said Thursday at a Walmart in Springfield, Mo. “You know that every day, with the products you sell, you’re helping parents get by on a budget -- which is what everybody in this country is trying to do. You’re helping kids get the nutrition they need to...