The State Department is releasing 296 emails from Hillary Clinton's email account during her tenure as secretary of state. The correspondence relates to the attack on the U.S. consulate in Benghazi, Libya. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

Kholoud Sukkariyeh (right) and Nidal Darwish, who got married in defiance of Lebanon's ban on civil unions, walk past Beirut's landmark Pigeon Rock in 2013. Joseph Eid/AFP/Getty Images hide caption

itoggle caption Joseph Eid/AFP/Getty Images

National Geographic writer and explorer Dan Buettner studies the world's longest-lived peoples and their lifestyles. Courtesy TEDxTC hide caption

itoggle caption Courtesy TEDxTC

In this photo released Thursday by a website run by Islamic State militants, damaged Syrian helicopters sit at Palmyra air base, which was captured by ISIS after a battle with the Syrian government forces earlier this week. Uncredited/AP hide caption

itoggle caption Uncredited/AP