Politicians have no business trying to run the American economy. Businesses have to persuade people to part with their hard-earned money. When private companies make poor decisions, they suffer the consequences. If they charge too much or the quality of their goods is poor, customers go elsewhere. If they spend more than they bring in, they go under. A 10-year-old operating a lemonade stand gets these basic economic principles -- or learns them quickly. But most politicians are economic idiots. Nearly none has any personal experience with running a business, nor even the most basic understanding of costs, prices, profit...