adversaries of the west and the united states. we've got isis right now creating a new country out of what used to be pieces of syria and iraq, state structures all around the region have come apart. libya is a perfect example of that. we think of the benghazi attacks. but it's because the central go. 's authori government's authority disappeared. warlord, terrorist groups had sprung up around the country and made impossible to enforcedisap. warlord, terrorist groups had sprung up around the country and made impossible to enforce stability and order. and terrorists can take root. so i think we have a lot of work ahead of us not simply to prevent this kind of mass attack, but to prevent the kind of terrorist threat that could ultimately lead to the use of biological chemical or god forbid even nuclear weapons. it's late to start, but better late than never. >> ambassador, intelligence has improved tremendously since 9/11