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Yemeni President Abdrabuh Mansur Hadi (R), Saudi Crown Prince Salman bin Abdul Aziz al-Saud (2nd R), stand next to Tamim bin Hamad al-Thani, the Crown Prince of Qatar (C), Omani Deputy Prime Minister Fahd bin Mahmud al-Said (2nd L), and Iraqi Deputy President Khudair al-Khuzai (L) during the opening of the Arab League summit in the Qatari capital Doha on March 26, 2013. The Arab League kicked off a two-day summit in Doha where opponents of President Bashar al-Assad will represent Syria for the first time, despite rifts which have marred their political gains. AFP PHOTO/KARIM SAHIB (Photo credit should read KARIM SAHIB/AFP/Getty Images)

Yemeni President Abdrabuh Mansur Hadi (R), Saudi Crown Prince Salman bin Abdul Aziz al-Saud (2nd R), stand next to Tamim bin Hamad al-Thani, the Crown Prince of Qatar (C), Omani Deputy Prime Minister Fahd bin Mahmud al-Said (2nd L), and Iraqi Deputy President Khudair al-Khuzai (L) during the opening of the Arab League summit in the Qatari capital Doha on March 26, 2013. The Arab League kicked off a two-day summit in Doha where opponents of President Bashar al-Assad will represent Syria for the first time, despite rifts which have marred their political gains. AFP PHOTO/KARIM SAHIB        (Photo credit should read KARIM SAHIB/AFP/Getty Images)