Peter Bergen : It was easier for the U.S. to kill bin Laden than to kill his ideology . The Boston bombing is one case in which bin Laden 's ideology may have played a role , he says . The majority of Muslims reject bin Ladenism , but there are still some adherents , he says . Bergen : Bin Laden has been dead since 2011 and it seems like we've lost sight of him.
Peter Bergen : It was easier for the U.S. to kill bin Laden than to kill his ideology . The Boston bombing is one case in which bin Laden 's ideology may have played a role , he says . The majority of Muslims reject bin Ladenism , but there are still some adherents , he says . Bergen : Syrian conflict is another arena in which bin Ladenism is active .