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The Fruits Of Free Trade: How NAFTA Revamped The American Diet

Signed 20 years ago this month, the landmark trade agreement radically altered the way we get our fruits and vegetables, encouraging year-round imports from Mexican farms. That's why it's now no big deal to find, say, raspberries in winter. But critics say it also has trained consumers to value convenience over flavor and has dulled knowledge of where food comes from.