If we are what we eat, then, as Christopher D. Cook contends in this powerful look at the food industry, we are not in good shape. The facts speak for themselves: more than 75 million Americans suffered from food poisoning last year, and 5,000 of them died; 67 percent of American males are overweight, obesity is the second leading cause of preventable death in the United States and supersizing is just the tip of the iceberg: the way we make and...