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Is Processed Food a Pandora's Box for the American Diet?

How did the United States become a nation where food isn't so much cooked as disassembled and reassembled? Author and former New York Times reporter Melanie Warner speaks with Hari Sreenivasan about her new book, "Pandora's Lunchbox: How Processed Food Took Over the American Meal."
Aired: 4/29/2013 | 0:05:21