Let me add my voice to the chorus. These two speeches by Michael Crichton are brilliant.
Aliens Cause Global Warming
I want to pause here and talk about this notion of consensus, and the rise of what has been called consensus science. I regard consensus science as an extremely pernicious development that ought to be stopped cold in its tracks. Historically, the claim of consensus has been the first refuge of scoundrels; it is a way to avoid debate by claiming that the matter is already settled. Whenever you hear the consensus of scientists agrees on something or other, reach for your wallet, because you're being had.
This fascination with computer models is something I understand very well. Richard Feynmann called it a disease. I fear he is right
Today, of course everybody knows that “Hardball,” “Rivera Live” and similar shows are nothing but a steady stream of guesses about the future. The Sunday morning talk shows are pure speculation. They have to be. Everybody knows there's no news on Sunday.
We need to start remembering that everybody who said that Y2K wasn't a real problem was either shouted down, or kept off the air. The same thing is true now of issues like species extinction and global warming. You never hear anyone say it's not a crisis.