Palestinian boys at a damaged building in Rafah, the Gaza Strip, on Thursday. U.S. attempts to broker a comprehensive peace deal have again been shelved as Israel and Hamas have waged their third round of heavy fighting in Gaza in the past six years. Ibrahim Khatib/Barcroft Media/Landov hide caption

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A convoy of Israeli tanks roll near Israel's border with the Gaza Strip on Friday. There's a sense of repetition to the violence in the region, as Hamas fires rockets at Israel and Israel responds with bombs and the threat of a ground invasion. Menahem Kahana/AFP/Getty Images hide caption

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An Iraqi Turkmen fighter looks at an icon of seventh century Imam Ali bin Abi Talib, Islam's fourth caliph and cousin and son-in-law of Prophet Muhammad, in Taza Khormato, Iraq, earlier this month. Karim Sahib/AFP/Getty Images hide caption

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Participants of the Diplomatic Culinary Partnership try different foods at the State Department in Washington during a gathering of the American Chef Corps, a network of chefs from across the U.S. Jewel Samad/AFP/Getty Images hide caption

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Demonstrators rally to protest sexism in Brasilia, Brazil, last June. A new protest erupted last week after a study released by Brazil's Institute for Applied Economic Research reported 65 percent of Brazilians believe women who dress provocatively deserve to be attacked. Eraldo Peres/AP hide caption

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Two men, who were among about 80 civilians evacuated on Friday, look out from a bus in the Syrian city of Homs. EPA/Landov hide caption

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Syrian Foreign Minister Walid Moallem (left) at the peace talks in Montreux, Switzerland, on Wednesday. Gary Cameron /Reuters/Landov hide caption

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Palestinians protest in the center of the West Bank city of Ramallah against the continuation of negotiations with Israel, and demand that Palestinian president Mahmud Abbas not meet with U.S. Secretary of State John Kerry on Jan. 15, 2014. Abbas Momani/AFP/Getty Images hide caption

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Some of the destruction at the scene of Friday's car bombing in Beirut. AFP/Getty Images hide caption

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President Obama, speaking on Saturday night, said the interim deal on Iran's nuclear program is an important first step. The Obama administration is currently working on several major initiatives in the Middle East. Pool/Getty Images hide caption

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In the northern Syrian city of Aleppo last month, there was a class about how to protect against chemical weapons attacks. J.M. Lopez/AFP/Getty Images hide caption

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On Dec. 23, 1973, cars formed a double line at a gas station in New York City. The Arab oil embargo caused gas shortages nationwide and shaped U.S. foreign policy to this day. Marty Lederhandler/AP hide caption

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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

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A Free Syrian Army soldier stands on a Syrian military tank in front of a damaged mosque in the Syrian town of Azaz in September 2012. A different rebel group, an al-Qaida offshoot, took over the town on Wednesday. Hussein Malla/AP hide caption

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