In this photo from February 2010, an Iraqi man in Baghdad looks at a campaign poster for a woman candidate running in Iraq's March elections. By law, 25 percent of Iraq's parliament must be female — which means replacing men who would have won seats. Ali al-Saadi/AFP/Getty Images hide caption

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Family members mourn Wednesday at the funeral of a victim killed in a bomb attack in Baghdad's Alawi district, a day after six bombs in the capital killed at least 35 people. The outburst of violence is intensifying fears that insurgents are making a return after a postelection political impasse. Ahmad al-Rubaye/AFP/Getty Images hide caption

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Iraqis inspect the site of a car bomb attack Sunday near the Iranian Embassy in Baghdad. Karim Kadim/AP hide caption

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Iraqi supporters of the Shiite cleric Muqtada al-Sadr gather Friday in a Shiite suburb of Baghdad for a vote on five leading candidates for prime minister in an unofficial referendum. The Sadrists say the purpose of the vote is to let the movement's leadership know whom ordinary people want as their next leader. Ali al-Saadi/AFP/Getty Images hide caption

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The announcement this week that six winning candidates in Iraq's March 7 parliamentary election have ties to the former regime of Saddam Hussein and must be disqualified jeopardizes the slim margin of victory for Iraq's former prime minister, Ayad Allawi (shown here in February). Sabah Arar/AFP/Getty Images hide caption

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An Iraqi man casts his vote at a polling station in Fallujah in Anbar province on March 7. Azhar Shallal/AFP/Getty Images hide caption

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