The National Farmers Union along with the United Food and Commercial Workers International Union is accusing Wal-Mart of unfairly cutting food costs at farmer’s expense. Previously, farmers and ranchers focused their attention to Tyson Foods Inc. and Smithfield Foods Inc. Now, with their focus on Wal-Mart, the organizations have asked the Obama administration to broaden its antitrust inquiry into meat, dairy and seed businesses to include the retailer. (Bloomberg) Read more.