Intensity is rising in the politics of energy villainy.This brand of politics, peculiar to the US, treats energy not as a vital national concern but as a morality play.If something goes wrong with energy—meaning gasoline prices rise—politicians identify villains and heroically flail away.Villains teem in legislation about which discussion has revived in Congress.Oil companies! Oil speculators! Price gougers! OPEC! Villains—all of them!So elected heroes are now preparing to charge into political battle to subdue the scoundrels with taxes, regulations, even criminal prohibitions.They’re also brandishing anew the threat of a windfall profit tax, the imposition of which w...