Aug. 13: At Dover Air Force Base in Delaware, the remains of Marine Lance Cpl. Gregory T. Buckley are carried during a dignified transfer. He was killed in a "green on blue" attack. Mark Wilson/Getty Images hide caption

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Mark Wilson/Getty Images

Soraya Sarhaddi Nelson speaks with David Greene on 'Morning Edition'

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Officials and mourners prepare to place the coffin of Afghanistan High Peace Council and former Taliban leader Arsala Rahmani in a grave earlier today, in Kabul. Massoud Hossaini /AFP/Getty Images hide caption

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Massoud Hossaini /AFP/Getty Images

Former Taliban fighters displayed their weapons as they joined Afghan government forces during a ceremony in Herat province last Wednesday ( May 2, 2012). Aref Karimi/AFP/Getty Images hide caption

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Aref Karimi/AFP/Getty Images

Oct. 7, 2001: President George W. Bush poses for a photo in the Treaty Room of the White House after announcing airstrikes on on Afghanistan.

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Hillery Smith Garrison/AP

In this archive photo from October 21, 2001, Jalaluddin Haqqani smiles as he leaves after a meeting with Jama"at-i-Islami leaders in Islamabad, Pakistan.

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Visual News/Getty Images

Who Are The Haqqanis?

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Undated photo reportedly showing Taliban leader Mullah Omar. AP hide caption

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AP

Quil Lawrence in Kabul

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Lt. Gen. William Caldwell (Feb. 27, 2011 file photo). U.S. Navy Petty Officer 2nd Class Ernesto Hernandez Fonte /AP hide caption

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U.S. Navy Petty Officer 2nd Class Ernesto Hernandez Fonte /AP

Building Literacy Is Key To Building Afghan Army, U.S. General Says

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