Syrian rebel splits deepen after failed 'merger' with al Qaeda arm

By Mariam Karouny BEIRUT (Reuters) - The leader of al Qaeda's Syrian wing tried unsuccessfully at a recent meeting to convince rival Islamist factions to merge into one unit, several insurgency sources have told Reuters. Abu Mohamad al-Golani, head of the Nusra Front, even suggested he was willing to change the name of his group if the others, including the powerful Ahrar al-Sham organization, agreed to the deal, the sources said. Nusra and Ahrar al-Sham are the most powerful groups in northern