An Indian child receives the oral polio vaccine. Twice a year, an army of 2 million volunteers fans out across India to administer the vaccine. India has not reported a single case of polio in more than a year-and-a-half. Julie McCarthy/NPR hide caption

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In October 2010, a tiger walks past a vehicle carrying tourists at Ranthambore National Park in India. India's top court has banned tourism in parts of tiger reserves across the country in an effort to save the endangered big cat. Mustafa Quraishi/AP hide caption

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Retired senior police investigator Zafar Qureshi, 59, stands outside his home in Lahore, Pakistan, where security guards are stationed 24 hours a day. The former police official has probed some of the highest profile cases of official misconduct in Pakistan, and says he fears for his safety and that of his children in a country that he says is steeped in a "culture of corruption." Julie McCarthy/NPR hide caption

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Pakistanis walk past the rubble of the demolished compound of slain al-Qaida leader Osama bin Laden in the northern town of Abbottabad this week. Bin Laden's legacy in Pakistan appears mixed. Support for al-Qaida seems to be down, but bin Laden is still revered by extremists. Sajjad Qayyum/AFP/Getty Images hide caption

itoggle caption Sajjad Qayyum/AFP/Getty Images