In this 2011 photo, a banner in an Iowa grocery store advertises "pork, the other white meat" — the former, long-running slogan of the National Pork Board. Funded by money collected by the federal government, the board is one of a dozen promotional funds for different parts of American agriculture. Charlie Neibergall/AP hide caption

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Vani Hari, known as the "Food Babe," speaks at the Green Festival in Los Angeles on Sept. 12. Hari has made a name for herself by investigating ingredients in Big Food products that she deems potentially harmful. But critics accuse her of stoking unfounded fears. Jonathan Alcorn/Bloomberg via Getty Images hide caption

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Patrick McCoy (right) and Harry Fowler of Schwan's Food Service show off their company's Big Daddy's pizza at the School Nutrition Association's national conference in Chicago in 2007. Brian Kersey/AP hide caption

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Chipotle Mexican Grill launched The Scarecrow, an arcade-style adventure game for iPhone, iPad and iPod touch. Business Wire hide caption

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