California, first to introduce the hoola hoop craze, has now passed its own Kyoto law. This sent me digging for more facts on the subject of global warming. The argument among reasonable people is not whether there has been some global warming, but whether or not this is a natural and cyclical occurrence. I am in the camp of those who say it is a natural occurrence, and I have a lot of difficulty understanding how anyone can look at the data and conclude it is not. The last time I presented data it was challenged by someone saying that...