It is not true, as the humor website Cracked satirically suggests, that oatmeal was invented by a research scientist at Britain's Royal Academy of Adhesives and Sealants during an experiment in search of new forms of industrial glue. But if your idea of oatmeal is the pasty variety made in a microwave from a packet, the story can seem plausible. In Scotland they know better. Their oatmeal, or porridge, is a hallowed dish, celebrated every year at the World Porridge Making Championship in the