WOODMERE, Ohio - The nation's food companies are stirring up new recipes for everything from Oreos to SpaghettiOs to get rid of trans fat, the artery-clogging ingredient that must be listed on food labels next year. The companies say they're promoting good health, but they're also looking ahead to the new federal rule and new dietary guidelines urging consumers away from trans fats. Trans fats have been in the nation's food supply for decades, giving products a long shelf life and making goodies like chips and cookies oh so yummy. They are formed when liquid oils turn into solid fats...