#AP | A masked Bahraini anti-government protester walks to join others during clashes with riot police in Sanabis, Bahrain, Monday, Feb. 11, 2013. After nearly two years of nonstop unrest, opposing factions in Bahrain began talks on Sunday to ease an Arab Spring conflict that has run longer than Syria's rebellion and is playing out on the doorstep of the U.S. military's main naval base in the Persian Gulf. (AP Photo/Hasan Jamali)