In this photo provided by Mouaz Moustafa and the Syrian Emergency Task Force, Sen. John McCain, accompanied by Moustafa (right) visits rebels in Syria on Monday. McCain, who slipped into the country for a surprise visit, favors providing arms to rebel forces in Syria. Mouaz Moustafa/AP hide caption

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In 2005, Lance Cpl. Travis Williams lost his squad to an IED. He was the only survivor. StoryCorps hide caption

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Iraqi anti-government gunmen from Sunni tribes in western Anbar province march during a protest in Ramadi, west of Baghdad, Friday. Azhar Shallal/AFP/Getty Images hide caption

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Residents visit the tomb of a loved one at the New Kerbala cemetery in the holy city of Kerbala, Iraq, in 2007. Mushtaq Muhammad /Reuters /Landov hide caption

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