Iraq

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Kurdish Peshmerga fighters take their position along the front line with militants from the Islamic State of Iraq and the Levant. Demonstrating their growing independence from the rest of Iraq, the largely autonomous Kurdish regional government is setting up dirt barriers that it hopes ultimately will set the borders of a future state. (Associated Press)

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Sen. Marco Rubio of Florida favors a more aggressive U.S. military campaign to combat Islamic militants in Iraq. (Associated Press)

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Sen. Marco Rubio of Florida, left, favors a more aggressive U.S. military campaign to combat Islamic militants in Iraq. Meanwhile, Sen. Rand Paul of Kentucky says that the U.S. should stay out of Iraq, and that previous military action has emboldened extremists. (associated press)

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Illustration on Iraq chaos by De Angelis, Rome Italy/CartoonArts International

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Displaced Iraqi Christian girls who fled with their parents from the Christian village near Mosul province in Iraq, play by their balloons at a temporary shelter for the displaced Christian families in Ankawa, a suburb of Irbil, with a majority Christian population, Iraq. (AP Photo/Hussein Malla)