David Brooks's very insightful comments below is why we need to be able to look under the rhetoric of conservatives and liberals.
Here is how he opened his opinion section in the NY Times:
President Obama and Dick Cheney conspired on Thursday to propagate a myth. The myth is that we lived through an eight-year period of Bush-Cheney anti-terror policy and now we have entered a very different period called the Obama-Biden anti-terror policy. As both Obama and Cheney understand, this is a completely bogus distortion of history.Read the rest of these insightful comments here.