Zawahiri, who turns 60 on Sunday, had been serving as bin Laden's right-hand man, as well as al-Qaeda's chief ideologist and second-in-command for many years.
Zawahiri, care împlineşte 60 de ani duminică, era mâna dreaptă a lui bin Laden, precum şi principalul ideolog al al-Qaeda şi comandant adjunct timp de mulţi ani.