A new report issued by the North American Commission for Environmental Cooperation (CEC) under North American Free Trade Agreement points out that genes from genetically modified corn (maize) have been found in traditional varieties grown by Mexican farmers. The transgenes evidently came from corn genetically enhanced for insect resistance that has been imported from the United States. Instead of eating the corn, some Mexican farmers planted it and it crossbred with local varieties. So Chapela was right. Now we turn to the question, does it matter? Scientifically, the CEC report basically concludes that crossbreeding between transgenic, conventional and traditional varieties...