Iraqi Kurdish peshmerga fighters arrive Saturday in Sinjar in northern Iraq, where they have made gains against the Islamic State. The Kurds were talking about independence this summer, but now appear focused on fighting the Islamic State. Safin Hamed/AFP/Getty Images hide caption

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More than 4,000 officers of the Nineveh province security force are based in an isolated training camp in northern Iraq. Their aim is retaking ISIS-controlled Mosul, Iraq's second-largest city. Deborah Amos/NPR hide caption

itoggle caption Deborah Amos/NPR

Saudi Arabian women wear their traditional face covering, the niqab, at a coffee and chocolate exhibition in the capital Riyadh on Monday. A prominent religious figure said on Twitter that the face veil is not mandatory, sparking a heated national debate. Fayez Nureldine/AFP/Getty Images hide caption

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A member of the Saudi border guards mans a machine gun at the border with Iraq in July. Since the so-called Islamic State launched its offensive this summer in Iraq, Saudi Arabia has sent thousands of troops to the region. Faisal Nasser/Reuters/Landov hide caption

itoggle caption Faisal Nasser/Reuters/Landov

Ronaldo Mouchawar, a native of Syria, is the founder of Souq.com, which is now considered the leading e-commerce site in the region. He says his company, which is based in Dubai, reflects a quiet transformation that is taking places in parts of the Arab world. Courtesy of Souq.com hide caption

itoggle caption Courtesy of Souq.com

U.S. Secretary of State John Kerry (right) and Iran's Foreign Minister Javad Zarif (left) shake hands as Oman's Minister for Foreign Affairs Yussef bin Alawi (second from right) and the former EU top diplomat Catherine Ashton watch in Muscat, Oman on Nov. 9. Iran is holding talks with six world powers in Vienna this weekend in advance Monday's deadline for a deal on Iran's nuclear program. Nicholas Kamm/AFP/Getty Images hide caption

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Companies from Jordan, Pakistan, Turkey, Saudi Arabia and Iran were among the more than 100 Internet startups at this year's Startup Istanbul event on Sept. 30. It was Iranian entrepreneurs' first time competing on an international stage. Courtesy of Startup Istanbul hide caption

itoggle caption Courtesy of Startup Istanbul

Alleged Islamic State militants stand next to an ISIS flag atop a hill in the Syrian town of Ain al-Arab, called Kobane by the Kurds, as seen from the Turkish-Syrian border in Suruc, Turkey, on Monday. Aris Messinis/AFP/Getty Images hide caption

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Fighters from the Islamic State group parade in their northern Syrian stronghold, Raqqa. Uncredited/AP/Raqqa Media Center hide caption

itoggle caption Uncredited/AP/Raqqa Media Center