Sakine Arat, right, and Mayrem Bulut are Kurdish mothers camping out between Turkish amry forces and the Kurdish PKK militants, in hopes of preventing clashes. "Mothers on both sides should be doing this," says Arat, 80. Peter Kenyon/NPR hide caption

itoggle caption Peter Kenyon/NPR

People gather outside a damaged building after clashes in Silvan between Turkish security forces and members of the Kurdistan Workers Party (PKK) youth wing last week. Sertac Kayar/Reuters/Landov hide caption

itoggle caption Sertac Kayar/Reuters/Landov

The state-run Iran-Khodro plant manufactures vehicles including the Peugeot 206 car, shown on a production line in 2014 near Tehran. Iran's robust auto industry was built in response to sanctions. Ebrahim Noroozi/AP hide caption

itoggle caption Ebrahim Noroozi/AP

The U.N. Security Council endorsed the historic Iran nuclear deal on Monday. Now, world leaders — notably in the U.S. and Iran — must garner enough support for the agreement at home. Seth Wenig/AP hide caption

itoggle caption Seth Wenig/AP