North Korea would be a lot better off if it could export legal products as good as its counterfeit Viagra. The country's ruler, Kim Jong-il, cannot admit that his father's celebrated economic doctrine of juche, or self-reliance, has failed. He keeps the country tightly sealed and pretends all is rosy while one-third of the population is so desperately short of food that it is suffering from malnutrition, according to the United Nations World Food Program.