As just about everyone knows, there are gaping chasms separating the worldviews of fossil fuel promoters, nuclear power advocates, and renewable energy supporters. But crucially, even among those who disdain fossils and nukes, there is a seemingly unbridgeable gulf between those who say that solar and wind power have unstoppable momentum and will eventually bring with them lower energy prices and millions of jobs, and those who say these intermittent energy sources are inherently incapable of sustaining modern industrial societies and can make headway only with massive government subsidies.