Commentary: After Taco Bell: Can Biotech Learn Its Lesson?

It's been a chaotic month for the biotech industry. The trouble began in late September when genetically engineered animal corn--potentially harmful to humans--was found in Taco Bell taco shells. Then it showed up in Safeway Inc.'s house-brand taco shells. In mid-October, Kellogg Co. shut down a production line in Memphis, because testing had delayed grain deliveries.

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