Bahrain is the one Arab country where the government has suppressed a major uprising. Here, protesters wave flags at the Pearl Roundabout in the capital Manama on Feb. 20, 2011, when the demonstrations were at their peak.
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Senegalese singer Youssou N'Dour performs at a concert in November in Tunisia paying tribute to Tunisian youth and the revolution that inspired the Arab Spring. The popular international celebrity has announced plans to stand in his country's presidential election in February.
With the skyline of Youngstown, Ohio, in the distance, a brine injection well owned by Northstar Disposal Services LLC is seen in Youngstown on Jan. 4. The company has halted operations at the well, which disposes of brine used in gas and oil drilling, after a series of small earthquakes hit the Youngstown area.
Defense Secretary Leon Panetta and Joint Chiefs Chairman Gen. Martin Dempsey take part in a news conference at the Pentagon in Washington in November 2011. The Obama administration is unveiling its new military strategy Thursday. Critics fear it could hamper the U.S. ability to fight two wars at once.