We all consider it a very important issue. And one of the primary things that will have to be dealt with is whether companies can inadvertently add new genetic components to foods they produce.

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In the case of genetically engineered foods, however, consumers may not be able to discriminate.

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NOAA has said it wants a $5-billion-a-year U.S. aquaculture industry. What's the cumulative impact of that industry?

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No one's really clear how that happened.

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