This column believes that you cannot have too many good books defending the case for liberal trade. After a recent shortage, two fine specimens have come along together. They read surprisingly well in quick succession. They are short enough, and clear enough, for that to be no burden. And although they agree that free trade is good, their styles of argument are contrasting and complementary. If you are for free trade, you will find your understanding deepened, and your arguments sharpened up. If you are against, and somehow stay that way, you will at least have exposed your thinking to the best that the other side has to offer-and that is always an instructive thing to do.
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