For a long time now, Americans have been told by the scientists who developed genetically modified (GM) crops and organisms that GM is safe and wonderful. This was done with the blessing of government regulators, such as the Federal Food and Drug Administration (FDA) and the U.S. Department of Agriculture (USDA). It was alleged that GM crops, such as Bt and Roundup Ready, to use the best known biotech products, are good for biodiversity, increase yields, are resistant to pests, reduce the need for pesticides, are more profitable for the farmers, and less labor intensive. But a close examination of...