Revisiting the Origins of Al-Qaeda

Hour 1: What does the killing of Osama bin Laden mean for al-Qaeda? We’ll revisit the roots of the terrorist movement this hour with Lawrence Wright, whose book “The Looming Tower: Al-Qaeda and the Road to 9/11” (Vintage, Paperback, 2011) has been republished with a new afterward to commemorate the 10th anniversary of the tragic attacks.