Ever since the White House declared energy independence a matter of national security, some unlikely evangelists in the Bush administration have been belting out the clean energy gospel. Case in point: Last week, Gale Norton presided over the first national renewable energy summit in history, co-hosted by the Departments of Interior and Energy. Gale Norton. With its cathedral ceilings and filigreed moldings, the conference room in the Interior building seemed, at first, like an unusually stately setting for such an event. After all, the renewable energy revolution has generally been regarded -- not least by the two federal agencies throwing …