The left is in a frenzy over the American agricultural biotechnology corporation Monsanto and other agribusinesses that tinker with crop genetics. Is there any truth to their scare stories asserting that we’re being poisoned with “Frankenfood,” breeding new strains of superbugs and superpests? Genetically modified crops, known as GMOs (genetically modified organisms), have been used by American farmers since the mid-1990s in order to increase crop yields and reduce the use of pesticides. The FDA has approved their use. Today, 70-80 percent of grocery products in the U.S. include genetically engineered ingredients. In contrast, only 5 percent of the food...