An undated file photo provided by U.S. Marshals shows Carlos Eduardo Almonte, left, and Mohamed Mahmood Alessa, right, who were arrested at New York's Kennedy Airport on June 5, 2010. AP hide caption

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Homeland Security Secretary Janet Napolitano testified before the House Committee on Homeland Security today (Feb. 9, 2011). Mandel Ngan/AFP/Getty Images hide caption

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In Stopping Cargo Bombs, U.S. Security System Worked, Napolitano Says

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