Former cricket star Imran Khan waves to supporters during a rally in Lahore, Pakistan, last month. Khan, who is campaigning to be prime minister, attracted a crowd of some 100,000 at the rally. K.M. Chaudary/AP hide caption

itoggle caption K.M. Chaudary/AP

A man rides past the house of kidnapped American aid expert Warren Weinstein in Lahore, Pakistan. Weinstein was kidnapped more than two months ago; so far no demands have been made for his return. K.M. Chaudary/AP hide caption

itoggle caption K.M. Chaudary/AP

Protesters rally in support of Mumtaz Qadri, who was sentenced to death for the murder of Gov. Salman Taseer. Qadri appealed his sentence Thursday.

Sajid Mehmood/NPR hide caption

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Pfc. Natan Martinez fires a machine gun from a position near the Pakistan border in Afghanistan. There is concern in Pakistan about the U.S. preserving a security presence in Afghanistan beyond 2014, the deadline to pull out most if not all U.S. combat troops. David Gilkey/NPR hide caption

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A man walks past a burning van in Karachi, Pakistan, on Aug. 4. Hundreds of extra paramilitary troops have been deployed in Pakistan's economic capital, which is struggling to end violence that has killed more than 300 people in recent weeks. Asif Hassan/AFP/Getty Images hide caption

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Women and children fill the waiting room of the Umrana Mumtaz Healthcare Trust Hospital in northwest Pakistan. The private medical clinic is leveraging technology and the Internet to serve tens of thousands of patients a year who otherwise would have little or no medical care. Julie McCarthy/NPR hide caption

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A boy rides a bike past the house of kidnapped American development expert Warren Weinstein in Lahore, Pakistan, on Monday. K.M. Chaudary/AP hide caption

itoggle caption K.M. Chaudary/AP

Khasrat and Qadar Gul struggle to reconcile their cleric's teachings against contraception with husband Qadar's desire not to father more children. "We are poor and cannot afford a bigger family," Qadar Gul says. Julie McCarthy/NPR hide caption

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Pakistani boys attend the rehabilitation school Sabaoon in Malakand, adjacent to Pakistan's Swat Valley, in July 2010. Anjum Naveed/AP hide caption

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