Article Photos: US: Tunisia must respond to youth aspirations

Tunisia's President Moncef Marzouki, right, shakes hands with William Burns, US Deputy Secretary of State, at the Carthage presidential palace, Tunis Thursday, Dec. 13, 2012. (AP Photo/Hassene Dridi)

Tunisia's President Moncef Marzouki, right, shakes hands with William Burns, US Deputy Secretary of State, at the Carthage presidential palace, Tunis Thursday, Dec. 13, 2012. (AP Photo/Hassene Dridi)