A relief worker looks over boxes of aid provided by the U.S. on November 14, 2013 in Leyte, Philippines. Proponents of food aid reform say it makes more sense for the U.S. to buy food donations locally than ship them across the globe. Chris McGrath/Getty Images hide caption

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Pakistani aid workers offload USAID food supplies from an Army helicopter in Kallam Valley during catastrophic flooding in 2010. Behrouz Mehri/AFP/Getty Images hide caption

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A worker piles sacks of corn at a market in Guatemala City. Daniel LeClair/Reuters /Landov hide caption

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