I have defended the idea of ideology per se and have disparaged the idea that anyone can operate without an ideology. The self-proclaimed non-ideological person is really one who has an implicit and therefore unexamined or underexamined ideology. No one really judges everything case by case as if nothing were related to anything else. We all have principles of some sort. I have never implied, however, that ideology cannot be abused or pushed too far. It most certainly can be. One way to do this is to imagine that an ideology can be squeezed to produce complete answers to empirical,...