Bin Laden is dead. Al-Qaida eventually will die. But the model that al-Qaida has created of an asymmetric terror group that has enormous consequences in the world well beyond the size of the group, that's going to endure. Other groups are going to try to follow that model.
Terry Gross (May 2, 2011). "Lawrence Wright : Bin Laden's Death 'Long In Coming'". Fresh Air (National Public Radio).