"Here's what the end of globalization looks like," a headline in Business Insider thundered at the end of 2016 before laying out a doom-and-gloom scenario in the wake of the Trans-Pacific Partnership's demise. The swing away from liberalization and globalization and toward protectionism and nationalism is probably the biggest political earthquake of recent times in wealthy Western countries, and explaining it is probably the biggest intellectual challenge. Until we understand its causes, after all, we cannot address them.