The current case of a prominent Chinese activist seeking U.S. protection has echoes of a similar episode in 1989. Then, physicist Fang Lizhi took refuge at the U.S. Embassy in Beijing. He spent a year there before the U.S. and China reached a deal allowing him to move to the U.S. He died this month in Arizona, at age 76. John B. Carnett/Popular Science via Getty Images hide caption
Chinese activist Chen Guangchen is believed to be under U.S. protection, possibly at the U.S. embassy in Beijing. Ed Jones/AFP/Getty Images hide caption
The FlyRights mobile app, created by The Sikh Coalition, will be available for download on Androids and iPhones starting Monday, April 30. Courtesy of The Sikh Coalition hide caption
Wounded Warrior Battalions have been set up to help troops returning from combat recover from their injuries. But recent Pentagon reviews have found a pattern of overmedication in such battalions. Here, Marines assigned to Wounded Warrior Battalion East at Walter Reed National Military Medical Center in Bethesda, Md., graduate from a training course in January. Capt. Jill L. Wolf hide caption
Cybersecurity experts say Iran has the resources necessary to be a major player in cyberwarfare. iStockphoto.com hide caption
Author Seth Jones is an expert on international terrorism who has advised the U.S. Special Operations Command. Carol Earnest hide caption
The Marines' most senior officers — including top commander Gen. James Amos (shown here in 2011 in Afghanistan's Helmand province) — are weighing in on recent incidents involving misconduct by troops serving in Afghanistan. Bay Ismoyo/AFP/Getty Images hide caption
Muslim community members and supporters march near 1 Police Plaza to protest the New York Police Department surveillance operations of Muslim communities, Friday, Nov. 18, 2011, in New York. Bebeto Matthews/AP hide caption
Afghan Army soldiers stand during a security transition ceremony in Mazar-e-Sharif, north of Kabul, Afghanistan, on July 23, 2011. The Afghan government officially took control of security in the capital of the peaceful northern province of Balkh on July 23, as part of an effort to begin handing over all security responsibilities to Afghan forces by 2014. S. Sabawoon/AP hide caption
President Obama speaks at the San Pedro Claver church in Cartagena, Colombia, on Sunday. An expert on the Secret Service tells NPR that Obama's security was never breached in the incident that led to 11 U.S. Secret Service agents being sent home amid allegations that they hired prostitutes in Cartagena. Carolyn Kaster/AP hide caption
In 2010 US Army veteran Jeff Barillaro returned from Iraq with severe PTSD. Since then Barillaro, whose stage name is "Solider Hard," has been rapping about his struggles and performing for troops, veterans, and military families across the US. Erik M. Lunsford/NPR hide caption
Former CIA officer John Kiriakou (right), accompanied by his attorney, John Hundley, leaves federal court in Alexandria, Va., on Jan. 23. Kiriakou, who helped track down and capture a top terrorism suspect, was charged with disclosing classified secrets about his teammates to the media. Jacquelyn Martin/AP hide caption
A small boat guards the USS Cole in Aden, Yemen, on Oct. 20, 2000. Abd al-Rahim al-Nashiri, the man accused of masterminding the attack, is expected to testify Wednesday in a courtroom at Guantanamo Bay. Hasan Jamali/AP hide caption