In this video image, President Obama speaks to the nation from the Oval Office about the end of the U.S. combat role in Iraq. APTN hide caption

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President Obama greeted Iraq war veterans on Tuesday at Fort Bliss, Tex. Analysts say Obama must figure out how to take credit for drawing down troop levels in Iraq while acknowledging that parts of the mission haven't been accomplished. Tim Sloan/AFP/Getty Images hide caption

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A Pakistani man donates clothes for flood victims at a stand set up by the banned Islamist group Jamaat-ud-Dawa. Activists for the group collected money and distributed food and clothing for flood victims. A. Majeed/Getty Images hide caption

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Tourists ride in a horse-drawn carriage on a Havana street in January. Adalberto Roque/AFP/Getty Images hide caption

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A private security guard stands near a site of a car bomb explosion in Kandahar, Afghanistan. Allauddin Khan/AP hide caption

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Rescuers search for survivors after a mudslide swept through Zhouqu, China, on Sunday. A hillside gave way above high-rise buildings in a highly developed area. AFP/Getty Images hide caption

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An activist from a nongovernmental organization participates in a demonstration June 25 in New Delhi against recent honor killings in the capital and other parts of the country. Manish Swarup/AP hide caption

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Afghan police and U.S. Marines patrol the city of Marjah in the Helmand province of Afghanistan in April 2010. Abdul Khaleq/AP hide caption

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Sgt. 1st Class Joseph Denny of Franklin, Ind., trades headgear with an Afghan boy during a June 6 patrol in a village south of Kandahar. When Gen. David Petraeus takes command in Afghanistan, he will inherit unfinished military operations in Kandahar and Marjah. Chris Hondros/Getty Images hide caption

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U.S. Attorney General Eric Holder holds a news conference Wednesday in Kabul. Holder was in the Afghan capital to talk to officials about improving the justice system and fighting corruption. Ahmad Massoud/AP hide caption

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Afghan President Hamid Karzai speaks at a meeting with tribal leaders Sunday in Kandahar. Karzai appealed to hundreds of tribal and religious leaders at the jirga to support a major operation in their southern province, the heartland of a Taliban insurgency. Massoud Hossaini/AP hide caption

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