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Food Made VisibleIt might sound odd to say this about something people deal with at least three times a day, but food in America has been more or less invisible, politically speaking, until very recently. At least until the early 1970s, when a bout of food price inflation and the appearance of books critical of industrial agriculture (by Wendell Berry, Francis Moore Lappé, and Barry Commoner, among others) threatened to propel the subject to the top of the national agenda, Americans have not had to think very hard about where their food comes from, or what it is doing to the planet, their bodies, and their society.

Most people count this a blessing. Americans spend a smaller percentage of their income on food than any people in history—slightly less than 10 percent—and a smaller amount of their time preparing it: a mere thirty-one minutes a day on average, including clean-up. The supermarkets brim with produce summoned from every corner of the globe, a steady stream of novel food products (17,000 new ones each year) crowds the middle aisles, and in the freezer case you can find “home meal replacements” in every conceivable ethnic stripe, demanding nothing more of the eater than opening the package and waiting for the microwave to chirp. Considered in the long sweep of human history, in which getting food dominated not just daily life but economic and political life as well, having to worry about food as little as we do, or did, seems almost a kind of dream.

The dream that the age-old “food problem” had been largely solved for most Americans was sustained by the tremendous postwar increases in the productivity of American farmers, made possible by cheap fossil fuel (the key ingredient in both chemical fertilizers and pesticides) and changes in agricultural policies. Asked by President Nixon to try to drive down the cost of food after it had spiked in the early 1970s, Agriculture Secretary Earl Butz shifted the historical focus of federal farm policy from supporting prices for farmers to boosting yields of a small handful of commodity crops (corn and soy especially) at any cost.

The administration’s cheap food policy worked almost too well: crop prices fell, forcing farmers to produce still more simply to break even. This led to a deep depression in the farm belt in the 1980s followed by a brutal wave of consolidation. Most importantly, the price of food came down, or at least the price of the kinds of foods that could be made from corn and soy: processed foods and sweetened beverages and feedlot meat. (Prices for fresh produce have increased since the 1980s.) Washington had succeeded in eliminating food as a political issue—an objective dear to most governments at least since the time of the French…