Carlos Fuentes : Part of 9/11 is to pay attention to threats . Since 9/11 , we have spent trillions of dollars fighting two wars and reorganizing the federal law enforcement and intelligence community . He says there were numerous warnings of al Qaeda 's danger . He says likelihood of large - scale attacks like 9/11 are slim . He says smaller attacks could continue for decades .
Carlos Fuentes : Part of 9/11 is to pay attention to threats . He says there were numerous warnings of al Qaeda 's danger . He says likelihood of large - scale attacks like 9/11 are slim . He says smaller attacks could continue for decades .