A woman drives a car in Saudi Arabia on Sunday. Saudi Arabia is the only country where women are barred from driving, but activists have launched a renewed protest and are urging women to drive on Saturday. Faisal Al Nasser/Reuters/Landov hide caption

itoggle caption Faisal Al Nasser/Reuters/Landov

Secretary of State John Kerry, shown in Jeddah, Saudi Arabia in June, has acknowledged the recent tensions between the U.S. and Saudi Arabia, two countries that are normally close allies. Jacquelyn Martin/AP hide caption

itoggle caption Jacquelyn Martin/AP

Children play at the Zaatari refugee camp in Jordan, where more than 120,000 Syrian refugees live. Roughly two-thirds are kids, many of whom have been traumatized by the violence in their homeland. Cassandra Nelson/Mercy Corps hide caption

itoggle caption Cassandra Nelson/Mercy Corps

Syrian youths line up for food distribution in the Maiber al-Salam refugee camp in northern Syria, near the border with Turkey. The U.S. government has provided more than $1.5 billion in aid to Syrians since the uprising began in 2011. Dimitar Dilkoff/AFP/Getty Images hide caption

itoggle caption Dimitar Dilkoff/AFP/Getty Images

Smoke from heavy shelling rises above buildings in Dara'a, Syria, on Aug. 28. Ugarit News/AP hide caption

itoggle caption Ugarit News/AP

A Free Syrian Army soldier stands on a Syrian military tank in front of a damaged mosque in the Syrian town of Azaz in September 2012. A different rebel group, an al-Qaida offshoot, took over the town on Wednesday. Hussein Malla/AP hide caption

itoggle caption Hussein Malla/AP

Syrian refugees wait in Beirut before a flight to Germany on Wednesday. More than 100 Syrians were on the flight, the first mass relocation program for Syrian refugees. Germany has agreed to take in 5,000 of them. Nabil Mounzer/EPA/LANDOV hide caption

itoggle caption Nabil Mounzer/EPA/LANDOV