Pakistani activists march in support of the Saudi government at a protest in Quetta on March 30, 2015. Pakistan is the latest country to join a Saudi-led coalition fighting Houthi rebels in Yemen. BANARAS KHAN/AFP/Getty Images hide caption

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Moazzam Begg in front of the U.S. Embassy in London in 2006. Alastair Grant /AP hide caption

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On 'Morning Edition' in 2006: Part I of an interview with Moazzam Begg
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Children in a Lahore slum after heavy rains. The slum has a large population of Pashtuns who came from Pakistan's lawless tribal regions; many carry the polio virus with them. Jackie Northam/NPR hide caption

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How The Taliban Is Thwarting The War On Polio
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Pakistan's Prime Minister Yousuf Raza Gilani as he arrived at court today in Islamabad. Aamir Qureshi /AFP/Getty Images hide caption

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Pakistani military and police officials cordoned off a street in Abbottabad near the compound where Osama Bin Laden was found and killed. (May 8, 2011, file photo.) Asif Hassan /AFP/Getty Images hide caption

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Steve Inskeep talks with Anatol Lieven
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A still image from video released Saturday (May 7, 2011) by the US Department of Defense shows Osama bin Laden. AFP/Getty Images hide caption

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Renee Montagne speaks with Steve Coll
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Julie McCarthy in Islamabad
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