I do agree he has his blind spots, and I'm not quite prepared to think things will be as extreme as he thinks. That said, his starting points are geography and

I do agree he has his blind spots, and I'm not quite prepared to think things will be as extreme as he thinks. That said, his starting points are geography and demographics, both of which are very predictable, at least for the next couple decades. It's hard to find policy choices that overcome them.