you've narrowed down to maybe several hundred people instead of several million people, the folks that you may want to watch. because you know of these characteristics, and you know what they're doing on a, b, c, d, e, f and g, and you think there is a chance they may be doing something that all that points toward. that type of analysis, which we can sometimes use overseas, but snowden also damaged that, we have really gelded the world's most outstanding government intelligence technical institution, the national security agency, and we're trying to fight against isis having done that. and that's a terrible thing. >> the difference between now and, say, the cold war, where we were dealing with nations that understood mutually assured destruction, in the case of isis, and radical islam, mutually insured destruction is