Oregon governor John Kitzhaber may have announced that he will resign, but a sweeping FBI investigation of him and his fiancée, Cylvia Hayes, is only getting started. While the story involves personal failings, the green-energy lobbying scandal that brought them down has national lessons and implications. If oil companies and pharmaceutical concerns shouldn’t exercise undue influence in government, the same is true for green energy — which can’t yet survive in the marketplace without giant subsidies or special tax favors.