Support WBUR'The Banality Of Evil': Following The Steps To Sept. 11Play08:56Download AudioRobert SmithDina Temple-RastonSeptember 09, 2011 ShareMohammed Atta was the leader of the Sept. 11 hijackers. After a last-minute change of plans, Atta arrived in Afghanistan just as Osama bin Laden had approved the plot. (AP)
