Dr. Roger Pielke, Jr. Roger Pielke, Jr. and I have been friends for years. He is one of the smartest people I know. In his new book, The Climate Fix , he describes his "Iron Law" which is that people are not going to replace energy sources and technology that work well with more expensive sources and technology, especially if they work less well. No amount of "environmental guilt" will change that. Others are coming to the same conclusion. Venture capitalist Peter Thiel, one of the founders of PayPal, recently gave an interview where he criticized "clean tech" companies. He believes they are run by "sales people, not engineers" and so are not innovating in any meaningful way. He goes on to say, Something has gone quite wrong in clean tech. As a result, most clean tech companies that try to develop alternative energy forms are building power sources that are more expensive... We need something cheaper, not more expensive. It doesn...