Syria

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In this photo released on Sunday, May 26, 2013, by the Syrian official news agency SANA, Syrian forces loyal to Syrian President Bashar Assad take their position during clashes against Syrian rebels, in Aleppo, Syria. (AP Photo/SANA)

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** FILE ** Sen. John McCain, meeting for several hours on Monday, May 27, 2013, with rebel leaders in Syria, was asked for U.S. help to establish a no-fly zone, obtain anti-aircraft weapons and launch airstrikes on targets associated with the regime of President Bashar Assad. (Syrian Emergency Task Force)

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In this photo released on Sunday May 26, 2013, by the Syrian official news agency SANA, Syrian forces loyal to Syrian President Bashar Assad run to take their position during clashes against Syrian rebels, in Aleppo, Syria. Syria's Information Ministry says rebels have killed a TV correspondent who was covering clashes near the border with Lebanon. (AP Photo/SANA)

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Syrian Foreign Minister Walid al-Moallem said on Sunday, May 26, 2013, during a visit to Baghdad that his government has agreed in principle to take part in an international conference in Geneva next month aimed at ending Syria's civil war. (AP Photo/Hadi Mizban, Pool)

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Rebel fighters celebrate after purportedly capturing an army base in Nairab, northwestern Syria, Thursday, May 23, 2013. The video is consistent with independent AP reporting. (AP Photo/Ugarit News via AP video)

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Qatari foreign minister Sheik Hamad bin Jassim al-Thani talks during an Arab League committee emergency meeting on Syria at the league’s headquarters in Cairo, Egypt, Thursday, May 23, 2013, ahead of an international peace conference to end the country’s civil war. (AP Photo/Amr Nabil)

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** FILE ** This Wednesday, Aug. 19, 2009, file photo shows Syrian President Bashar Assad, seen, during a meeting with his Iranian counterpart Mahmoud Ahmadinejad, unseen, at the presidency in Tehran, Iran. (AP Photo/Vahid Salemi, File)