If we could undo just one part of the legacy of The Heritage Foundation's Contract on America, and Newt Gingrich's  "Republican Revolution"...this would be the one I would root for:

Because the other things that would need to be changed would follow soon after.  Evidence-based policy is good policy.  And no, I'm not saying we should have a technocracy.  I'm just saying that if you are making a decision based on ideology in the face of scientific evidence, then THAT should be clear.

(Hat Tip:  Denialism.com)