U.S. Secretary of State John Kerry speaks Tuesday during his final press conference after talks over Tehran's nuclear program in Vienna. A deal has not been struck in time for the deadline this Sunday, and negotiations will be extended into November. Joe Klamar/AFP/Getty Images hide caption

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A worker rides a bicycle in front of the Bushehr nuclear power plant in Iran in 2010. Iran and six world powers are meeting in Vienna this week with the goal of reaching a comprehensive deal on Iran's nuclear program before a July 20 deadline. Majid Asgaripour/Mehr News Agency/AP hide caption

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Iranian lawyer Nasrin Sotoudeh (shown here at her home in Tehran on Sept. 18, 2013, following her release from prison) was one of the last lawyers taking on human rights cases in Iran before her arrest in 2010. Behrouz Mehri/AFP/Getty Images hide caption

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Members of the Iranian band Accolade perform in an unauthorized stage performance in the capital Tehran in January 2013. Those seeking greater social freedoms are often testing the limits in Iran. Vahid Salemi/AP hide caption

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Hostages being held at the U.S. Embassy in Tehran in November 1979. Iran's choice for U.N. ambassador, Hamid Aboutalebi, has acknowledged that he was an interpreter for the student group that seized the compound. AP hide caption

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A man looks at an unexploded barrel bomb that landed in a cemetery after being dropped by forces loyal to Syria's President Bashar Assad in the northern Syrian city of Aleppo on Thursday. Reuters/Landov hide caption

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Just as characters in the play "Waiting for Godot" wait for someone named Godot, some believe that Iranian President Hassan Rouhani is Iran's only politician who can end the country's waiting when it comes to resolving a nuclear deal. Behrouz Mehri/AFP/Getty Images hide caption

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