Why America's Relationship With Pakistan Hangs in the Balance

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Pakistan's Prime Minister Mohammad Nawaz Sharif (R) shakes hands with US President Barak Obama (L) during the opening session of the Nuclear Security Summit (NSS) in The Hague on March 24, 2014.
( YVES HERMAN/AFP / Getty )
Produced by Jillian Weinberger
PRI WNYC