David Friedman on global warming

http://junkscience.com/2012/02/27/david-friedman-on-global-warming/

When I see news headlines about global warming having shrunk horses to the size of cats, along with a picture comparing a cat sized dog to a modern Morgan—you have to read down a bit to discover that the ancestral horses shrank to the size of cats from the size of dogs, from 12 pounds to 8 1/2 pounds, and spent tens of thousands of years doing it—I suspect that what I am seeing is driven at least as much by what people want other people to believe as by the evidence for believing it… [Emphasis added]