Iranian high school students sit for their university entrance examination in Tehran in 2009. Iran's economy has been struggling in recent years, and many graduates feel they have few career options. Mona Hoobehfekr/AFP/Getty Images hide caption

itoggle caption Mona Hoobehfekr/AFP/Getty Images

Low-income Iranians line up to receive food supplies in south Tehran. Iran remains an economy of subsidies, although some direct cash payments have been replaced by food baskets for the poor. Davoud Ghahrdar/AFP/Getty Images hide caption

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U.S. Secretary of State John Kerry speaks during a news conference at the David Citadel Hotel in Jerusalem on Sunday. Brendan Smialowski/AP hide caption

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UN experts are inspecting the heavy water production plant in Arak, Iran, on Sunday. The visit is the first test of an interim deal Iran struck with the West in November. Hamid Foroutan/AFP/Getty Images hide caption

itoggle caption Hamid Foroutan/AFP/Getty Images

If a plan taking shape is finalized, the MV Cape Ray, managed by the U.S. Department of Transportation, will be turned into a floating chemical weapons disposal plant. U.S. Department of Transportation Maritime Administration hide caption

itoggle caption U.S. Department of Transportation Maritime Administration

Inspectors from the International Atomic Energy Agency are scheduled to visit Iran's heavy-water reactor in the city of Arak on Sunday as part of an international deal on the country's nuclear program. Hamid Forutan/EPA/Landov hide caption

itoggle caption Hamid Forutan/EPA/Landov