Will any of the deniers say “O.K., I guess I was wrong,” and support climate action [in the Senate]? No. And the planet will continue to cook. ... It wasn’t the science, the scientists, or the economics that killed action on climate change. What was it? The answer is, the usual suspects: greed and cowardice.
Paul Krugman, "Who Coooked The Planet," New York Times, 7-25-2010
Oh, by the way, Krugman won the Nobel Prize in Economics