More than a decade has passed since Fast Food Nation was published, and I’d love to report that the book is out of date, that the many problems it describes have been solved, and that the Golden Arches are now the symbol of a fallen empire, like the pyramids at Giza. Sadly, that is not the case. Every day about 65 million people eat at a McDonald’s restaurant somewhere in the world, more than ever before. The annual revenues of America’s fast-food industry, adjusted for inflation, have risen by about 20 percent since 2001...