A week ago I wrote a post arguing that globalization didn’t hollow out the American middle class (as many people believe):After I wrote the post, John Lettieri of the Economic Innovation Group wrote a great thread that strongly supports my argument. He showed that the timing of America’s wage stagnation — roughly, 1973 through 1994 — just didn’t line up well with the era of globalization that began with NAFTA in 1994. In fact, American wages started growing again right after NAFTA was passed. Ch...