Nuclear fusion is a wonderful idea. Clean, no risk of people making bombs from it, and nearly limitless energy. And we have people working on it. The problem is it's not just some government program--which would almost for certain doom it. There are numerous governments working on it. Think of a committee of bureaucrats that don't speak the same language. Now give them billions of dollars and tell them they aren't expected to deliver a working prototype for years or even decades. Oh, and they aren't ever expected to turn a profit.

When General Electric, Chevron, or even Toyota tells me they are building a nuclear fusion plant I'll willingly buy their stock. But the government is going to have to get my money for this boondoggle they way they always do--at the point of a gun.