Liberal V. Conservative: The Dif

Chris Mooney: Why Republicans Deny Science: The Quest for a Scientific Explanation

...The point is not necessarily that the answer is yes, but rather that it is reasonable to ask questions like these. The root causes of our political differences are now under intensive exploration by multiple different research groups, which are churning out quite a lot of published, peer reviewed science. And while this work is surely not complete (science never is), it is also unlikely to be just plain wrong. Indeed, after having spent the past year reading this research and interviewing the scientists producing it, I can confidently say that those seven studies are just the tip of the iceberg.

Here's the bottom line: An increasing body of science suggests that we disagree about politics not for intellectual or philosophical reasons, but because we have fundamentally different ways of responding to the basic information presented to us by the world. These are often ways of which we are not even aware--automatic, subconscious--but that color all of our perceptions, and that effectively drive us apart politically...