Lt. Col. Mark Schmitt, who will be among a group of U.S. military trainers heading to Afghanistan soon, calls out orders during a mock attack on the model Afghan village at the U.S. military base in Fort Polk, La. David Gilkey/NPR hide caption

An Indian boy gets his eyes scanned for enrollment in a nationwide ID project in 2011. Many Indians, especially the poor, lack identification documents, which restricts their access to many government services. Harish Tyagi/EPA hide caption

This frame grab from video provided by the SITE Intel Group shows al-Qaida's leader Ayman al-Zawahiri calling on Muslims to support rebels in Syria. The video was released earlier this month. AP hide caption

Henry Tang (shown here in September 2011), the former head of Hong Kong's civil service, was once the front-runner in the race to be the island's next leader. Now, a series of scandals has hurt his prospects. Bobby Yip/Reuters/Landov hide caption

Los Angeles Police Department officers detain students in 2010 during a sweep for truants in the San Pedro neighborhood. Brad Graverson/Torrance Daily Breeze hide caption

The Lytro we received to demo is about four inches long. Claire O'Neill/NPR hide caption

Molly Ranson plays the title role in the off-Broadway reworking of Carrie, directed by Stafford Arima and written by Lawrence D. Cohen, with lyrics by Dean Pitchford and music by Michael Gore. Joan Marcus/ hide caption