That decline of wealth coincides with American politicians finally killing off the new deal and Keynesian economic policies and falling hook line and sinker for

That decline of wealth coincides with American politicians finally killing off the new deal and Keynesian economic policies and falling hook line and sinker for the Chicago school swindle. You can argue that economic growth was stopped before that point, but here that is because of the fuel crisis which was of course an external event that had nothing to do with US economic policy. If you correct for the fuel crisis, the US growth malaise starts with Reagan and his policies. And it just keeps on going only being very partially and temporarily alleviated by the ever so slightly populist policies of Clinton.