It is a mistake to think your chat is private, because this forum will stay on the Internet for a while... 2d, we should avoid statements like wacko environmentalists. As for sticking to economics: very loosely so.
A natural monopoly is by definition not something caused by government interference, etc. With things like power grids, there are high fixed costs and economies of scale that prohibit you and your neighbor from competing.
We'll have a moderate Republican capitalist speaking to us on Saturday. Think of some questions.