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Published on Jun 26, 2014
U.S. Agriculture Secretary Tom Vilsack explains how extended bar codes, readable with a phone or supermarket scanner, can offer consumers un-spun information on which foods contain GMOs.
He spoke after a session on America's food choices and policies at the 2014 Aspen Ideas Festival. For more, visit Dot Earth: http://j.mp/dotgmo The USDA has background on biotechnology here: http://j.mp/usdagmo