the majority of the human race has become much better off. The two-humped camel has become a one-humped dromedary; the elephant has a body the size of, well, an elephant; extreme poverty has plummeted and may disappear; and both international and global inequality coefficients are in decline. Now, it’s true that the world’s poor have gotten richer in part at the expense of the American lower middle class, and if I were an American politician I would not publicly say that the tradeoff was worth it. But as citizens of the world considering humanity as a whole, we have to say that the tradeoff is
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