Turkey's Prime Minister Recep Tayyip Erdogan (right) meets with Iraqi President Jalal Talabani in Istanbul, Dec. 22, 2010. Turkey is vying with Iran to be the most influential regional power in Iraq. Tolga Bozoglu/AFP/Getty Images hide caption

itoggle caption Tolga Bozoglu/AFP/Getty Images

Supreme Leader Ayatollah Ali Khamenei gives the presidential decree to President Mahmoud Ahmadinejad for his second term during a ceremony in August 2009. Since that time, a political fissure has emerged within Iran's conservative camp, threatening possible open conflict between the two men. AP/Office of the Supreme Leader hide caption

itoggle caption AP/Office of the Supreme Leader

Dozens of African migrants cross into southern Israel through the border with Egypt last week. Construction has begun on a $270 million, 87-mile fence along the porous border. It's one of four measures proposed to try to stem the flow of African migrants into Israel. Assaf Golan/AP hide caption

itoggle caption Assaf Golan/AP

Wafaa Bilal implanted a webcam in the back of his head. The camera is taking a picture a minute for a year, and the images are being streamed live at Mathaf, the Arab Museum of Modern Art. Wafaa Bilal hide caption

itoggle caption Wafaa Bilal

Turks wave flags to greet the aid ship Mavi Marmara on Sunday in Istanbul. Clint Willey for NPR hide caption

itoggle caption Clint Willey for NPR

Wooden boats known as dhows are used in trade between Dubai and Iran. The emirate has long been an economic lifeline for Iran, despite U.N., U.S. and EU sanctions against Tehran's nuclear program. But new financial restrictions imposed on Dubai by the United Arab Emirates' capital, Abu Dhabi, have made Iran-Dubai trade more difficult. Peter Kenyon/NPR hide caption

itoggle caption Peter Kenyon/NPR