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Dateline: Growing Debate Over Genetically Modified Organisms

There's a growing debate about genetically modified organisms or GMOs. Proponents predict that genectially modified crops will make pharmaceuticals affordable and cure world hunger. But there's no guarantee that GMOs can deliver on these promises.

There's also the possibility GMOs could threaten the environment and drive some farmers out of business.

The government, agriculture, trade groups, and citizens are all weighing in on GMOs as we hear in this Dateline report from Shelley Schlender.