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AMERICA REVEALED | The Key Ingredient of the US Food Machine | PBS

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Published on Apr 6, 2012

See the full episode at http://video.pbs.org/video/2214315175
Discover just how large a role corn plays in the American food machine. See what else makes the system function on AMERICA REVEALED, Wednesdays, April 11 - May 2nd at 10/9c on PBS.

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