Core 'essentially gone,' but spinoff groups a concern
                                
                                
                                    (Newser) -
                                    Al-Qaeda today is mostly a spent force, unable to carry out another 9/11-style attack, said US intelligence officials yesterday, reports  Reuters . The mostly anonymous assessment—in a conference call led by Robert Cardillo, deputy director of US national intelligence—came one year after  the killing of Osama bin Laden , with...