Expert Judgment versus Statistical Models: Explanation versus Prediction

One of my favorite political scientists (and mentors in graduate school) defined a great idea as one he would have liked to have had himself. The Supreme Court Forecasting Project is a great idea, one I wish I had hatched. It is such a good idea that it is a little surprising no one had attempted it earlier. I commend this team and urge them, as I shall say in more detail later, to continue, expand, and perhaps redirect this undertaking. That...