are going from jim woolsey want to keep track of the address and the return address and the postscript end date, and that's it. presumably if they saw woolsey get a lot of mail from a mafia figure they would take further steps. it strikes me that both on stella wind would you do with early in the book, something to do with right at the beginning of her time at nsa, and with respect to snowden, there have been a lot of misunderstandings of people thinking that when you're keeping track of the cup was keeping track of the outside of the envelope, whether it's a letter or e-mail, that they are also reading the message. people got very scared and worried about that. could help clear up what's going on? >> guest: there's so much to be said about that. jim, you're right. the public a stampede into what i call the darkest corner of the room. i blame a lot of that on how the press, some of the press covered it. frankly, we should embrace all of it of that response with ourselves. we probably could've been more forthcoming pre-snowden osha been far more agile post snowden telling our story and

for more now, we go to jim woolsey. chairman of the foundation for defense of democracy and former director of the c.i.a. good to have you this evening here. >> good to be with you. >> so the latest info coming out of brussels is that the terrorists are targeting nuclear plants there. how vulnerable are those nuclear plants and also how likely is it for these terrorists to make a dirty bomb, which is reportedly another plan of theirs? >> the dirty bomb, i'm afraid if they get their hands on radioactive material, let's say lightly enriched uranium, the sorts they use in a power plant, not heavily enriched, but if they get their hands on that, then just having it blown up, the material blown up by an explosion could spread that material around a wide enough area that nobody would want to work there for many, many years. and so it's a real threat if they can get hold of enriched material. some of it is used in medical uses and so one has to be very, very cautious in controlling it and the belgians have not been right at th