A new Rasmussen poll reveals that just 34 percent of Americans believe that warming trends are caused by human activity, while nearly half believe they are simply planetary fluctuations. This is the most successful disinformation campaign in the history of the world (it's largely financed by fossil fuel companies). There is virtual scientific unanimity on the issue: Natural planetary trends alone cannot account for the rapid changes we are currently witnessing. (CNN: 97 percent of climate scientists believe human activity is a key factor in rising temperatures.) What's particularly amazing about these results are that those who don't accept human-caused...