there i met with marie harf, who gave me a tour of the building. >> we are the nation's first line of defense. we go where others cannot go. we do things that other agencies cannot do. we are tasked with collecting intelligence about issues that are of the most importance to natural security. >> what is intelligence in terms of the cia? >> that's a good question. there are a lot of different kinds of intelligence. there is human intelligence, which is what our national clandestine service does. >> clandestine means secret. >> they collect intelligence from human beings, things that only other human beings can tell you. that's sort of what our, quote, spies do. there's also signal's intelligence, open source intelligence. >> cia agents gather open source intelligence from newspapers and other public sources, as opposed to secret sources. this intelligence gathering is not exactly like the fast paced action you see in movies. most cia agents lead normal lives. >> for the majority of agency officers, life is not dangerous. it's really not. it's not "james bond," evading people with your