Thomas Fuentes : Lesson of 9/11 is to pay attention to threats . He says there were numerous warnings of al Qaeda 's danger . But the government didn't act on them, and instead focused its efforts on fighting terrorism in Iraq. He says smaller attacks could continue for decades .
Thomas Fuentes : Lesson of 9/11 is to pay attention to threats . He says there were numerous warnings of al Qaeda 's danger . Fuentes says likelihood of large-scale attacks like 9/11 are slim . He says smaller attacks could continue for decades .