Yemen's embattled president, Ali Abdullah Saleh has been flown to Saudi Arabia for medical treatment leaving a hole in its leadership. The main opposition group says it backs a transfer of power to the vice president in line with a deal that international mediators have been trying to broker for months. Hakim Almasmari, Editor in Chief of the Yemen Post and correspondent for the Wall Street Journal says that Saleh's son is currently taking control, not the vice president. Gregory Johnsen, a Yemen expert at Princeton University says that it's "Saleh's son, Ahmed, and a quartet of nephews who have men with guns who are still loyal to them and they can be a force for a lot of chaos."

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