they can thinking about every scenario, and from a terrorist attack to a lone gunman to a chem attack and bio attack, and demonstration attack, and it is gameday for the secret service. >> and some of the concern has been generated as a result of the isis threats on the internet, and social media, and directly aimed at christians, and especially the pope, right? >> well, i'd say that is absolutely true, wolf. i would say that communications is a key ingredient to the success of the security plan for the vent, and not only the communications between all of the federal and the state and the local law enforcement agencies as to the intelligence gathers, but also the gathering of resources to make sure they are at the right place at the right time, and traffic is shutdown at the right place and the right time, and the communication gathering not just for the intelligence reason, but for the entire visit, it is crucial.