The astounding variety of foods on offer in the modern supermarket obscures the fact that the actual number of species in the modern diet is shrinking. For reasons of economics, the food industry prefers to tease its myriad processed offerings from a tiny group of plant species, corn and soybeans chief among them.

While the surfeit of cheap calories that the U.S. food system has produced since the late 1970s may have taken food prices off the political agenda, this has come at a steep cost to public health.

Soon after the inauguration, the Obamas gave Big Food a case of heartburn when, in the spring of 2009, Michelle Obama planted an organic vegetable garden on the White House lawn, a symbolic but nevertheless powerful act that thrilled the food movement.

Food Quotes