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 Iran remains an economy of subsidies, although some direct cash payments have been replaced by food baskets for the poor.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

itoggle caption Davoud Ghahrdar/AFP/Getty Images

Iranian girls show their hands, marked with the words "Down with USA," at Monday's demonstration in Tehran. Abedin Tahrkenareh /EPA/LANDOV hide caption

itoggle caption Abedin Tahrkenareh /EPA/LANDOV

Two Iranian textile merchants wait for customers in Tehran's main bazaar. President Hassan Rouhani has raised hopes by reaching out to the West and promising to work for an end to sanctions. But his team has cautioned that the country's economic problems have deep roots. Vahid Salemi/AP hide caption

itoggle caption Vahid Salemi/AP

Iran's President Hassan Rouhani waves as his motorcade leaves Tehran's Mehrabad Airport upon his arrival from New York Saturday, one day after he spoke to President Obama by phone. Atta Kenare /AFP/Getty Images hide caption

itoggle caption Atta Kenare /AFP/Getty Images

Iranian President Hassan Rouhani at the U.N. on Tuesday. Ray Stubblebine /Reuters/Landov hide caption

itoggle caption Ray Stubblebine /Reuters/Landov

President Obama addresses the 68th session of the United Nations General Assembly at the United Nations in New York. Timothy Clary/AFP/Getty Images hide caption

itoggle caption Timothy Clary/AFP/Getty Images

Iranian President Hassan Rouhani during an interview with NBC — part of a charm offensive ahead of his visit to the U.N. General Assembly. Rouzbeh Jadidoleslam/AP hide caption

itoggle caption Rouzbeh Jadidoleslam/AP

Iranian President Hassan Rouhani talks to NBC — part of a charm offensive ahead of his visit to the U.N. General Assembly in New York next week. Rouzbeh Jadidoleslam/AP hide caption

itoggle caption Rouzbeh Jadidoleslam/AP