A Syrian soldier walks through the hotly contested city of Qusair on May 22. The Syrian army, backed by Lebanon's Hezbollah militia, has been waging a fierce fight with rebels in the key western city for the past two weeks. STR/STR/AFP/Getty Images hide caption

itoggle caption STR/STR/AFP/Getty Images

In this photo provided by Mouaz Moustafa and the Syrian Emergency Task Force, Sen. John McCain, accompanied by Moustafa (right) visits rebels in Syria on Monday. McCain, who slipped into the country for a surprise visit, favors providing arms to rebel forces in Syria. Mouaz Moustafa/AP hide caption

itoggle caption Mouaz Moustafa/AP

Yusra Hammed, 15, puts the finishing touches on a drawing on a wall inside her family's home in Silwad, a village in the West Bank. Hammed says, like many Palestinian girls, she does not throw rocks at Israeli soldiers; but she expresses her opposition through alternate channels, such as art. Emiliy Harris/NPR hide caption

itoggle caption Emiliy Harris/NPR