President Donald Trump argues that the USA is getting a raw deal under NAFTA because its balance of trade is in a deficit position with the other two countries. (I can’t speak for Mexico, but Canada is actually in a deficit with the USA, not the other way around). Nonetheless, the claim bears commenting upon. First, the argument is specious because a trade imbalance merely means that the residents in the “deficit” country are spending more — resulting in foreign imports — and saving less. This is exactly the situation the U.S. finds itself in today, at least according to Trump. Second, Trump sells America on tariffs by claiming they will create more jobs. This is misleading. Sure, they’re expected to create 70,000 new jobs in steel production. But they’re also expected to destroy 190,000 jobs in metal fabrication. Third, there is no such thing as “free” (i.e., uninhibited) trade. What we have is liberalized (i.e., opened up...