No joke. Here's what Secretary Steven Chu, a top official in the Obama administration who's in charge of the U.S. Department of Energy, claimed today at Sen. Harry Reid's National Clean Energy Summit: So the government played an incredibly intimate role in all the technologies that led to prosperity in the United States, and we must not lose sight of that fact. And if you don't believe he said that — and given how ludicrous that statement is, I wouldn't blame you — here's video of his comment (30:50 mark). Browse through these lists of 10 popular inventions and the top...