Iran's Mohammad Reza Shajarian, a superstar of Persian classical music, walks onstage to perform with his son Homayoun and the Ava Ensemble to a largely Iranian audience at the Orpheum Theater in Vancouver, British Columbia, in 2008. Heinz Ruckemann/UPI Photo / Landov hide caption

itoggle caption Heinz Ruckemann/UPI Photo / Landov

President Barack Obama will deliver a prime-time address to the nation tonight, from the Oval Office at the White House. Pablo Martinez Monsivais/Associated Press hide caption

itoggle caption Pablo Martinez Monsivais/Associated Press

In Lahore, the Grand Trunk Road's dichotomy: A couple shares a motorcycle, as a horse pulls a wagon in the background. John Poole/NPR hide caption

itoggle caption John Poole/NPR

A man rides his bike down the former main street of the ancient city of Sirkap, which was a crowded settlement more than 2,000 years ago. Villagers now use the street as a shortcut home. John Poole/NPR hide caption

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Muhammad Yasir, 23, lifts free weights at Gold's Gym in Gujranwala, Pakistan. Despite its name, the facility is not affiliated with the U.S. gym chain. John Poole/NPR hide caption

itoggle caption John Poole/NPR

In early April, professor Iftikhar Baloch was assaulted and nearly killed in his office by members of Islami Jamiat Taliba, who were upset at the expulsion of some of their members from the university. John Poole/NPR hide caption

itoggle caption John Poole/NPR

Maria Khan is a 25-year-old barrister from Lahore. John Poole/NPR hide caption

itoggle caption John Poole/NPR

Near Aligarh, India, a boy looks out the window of an aging bus on the Grand Trunk Road. Kainaz Amaria for NPR hide caption

itoggle caption Kainaz Amaria for NPR

Diane Ravitch, once a staunch advocate of No Child Left Behind, speaks out against the law in her book, Death and Life of the Great American School System. Courtesy of Basic Books hide caption

itoggle caption Courtesy of Basic Books