If anyone wonders why gasoline prices have soared above $3 a gallon at the pump, consider the fact that on the same day that the House of Representatives passed a bill that would allow the Federal Trade Commission to investigate and punish oil companies that conspire to keep prices up, it failed to pass a measure to promote expansion of U.S. oil-refining capacity. Consider as well that those to whom the basic laws of supply and demand are a complete mystery are themselves conspiring to keep oil priced high by preventing oil development in a tiny portion of the Arctic...