Support WBURAl-Qaida's Next Leader: After Bin Laden, Who?Play04:20Download AudioDina Temple-RastonMay 03, 2011 ShareTerrorism experts say that Ayman al-Zawahiri, currently the No. 2 of al-Qaida, is well-positioned to take the helm of the terrorist group. This picture is from an online video released on Nov. 28, 2008. (AP)