Because terrorist cells have been activated within the country in the past 24 hours. The french government says that massive security measures are in place, with more than 2,000 soldiers and Police Officers deployed along the march route. The terrorist attacks in paris raises fresh concerns about security here in the United States and the vulnerability of socalled soft targets. Im joined now by senator Dianne Feinstein, the top democrat on the Senate Intelligence committee. Thanks so much for being here with us today. The head of British Intelligence this week said something that was chilling. He said that the world should be prepared for a possible mass casualty attack. Whats your read on that . You see these intelligence reports. Do you feel the same way . As far as i know after looking at the reports ive seen there is no credible defined threat of that. I think this is within the realm of possibility. I think were in an allout situation. France has declared war. What that means, im not quite sure but were going to see. Whats an appropriate response then if theyve declared war . Whats the retaliation . Thats not for me to decide. Thats for france to decide. I think what theyre saying is there will be a unified National Effort to rid the country of terrorists and thats difficult to do because theyre deeply embedded. I think there are sleeper cells not only in france but certainly in other countries, and yes, even in our own. So i think this calls for vigilance. It calls for seeing that the National Security organizations of our country, of the Intelligence Community, is funded fully, is directed ably is cooperating with whether it be British Intelligence french intelligence german intelligence, as we do, and the french are good at it and so are the british, and the germans. So hopefully we can even be more active in terms of doing those things which enable us to find terrorists to see who theyre communicating with in this country, and to try that. Well youre responsible for intelligence oversight. Do you believe the Intelligence Community here keeps better track than the french did on those people who traveled to yemen, and they just kind of went off the radar screen. Do you believe we do a better job of it here . To the best of my knowledge, the french have more than we do. So how do you explain this failure . The expectation has been that the foreign fighters coming back from syria or even iraq train, to some extent will likely first go to the european community. So how do you explain this failure. The problem comes well this is extraordinarily difficult to do. They had these people under surveillance for a substantial period of time. Umhum. There are a lot of pressures. I dont know what the financial situation is. I dont know whether theyve had cutbacks or what, but this has to now be allout, and if war means anything its allout intelligence. The way you stop this is intelligence and the way intelligence works is to disrupt the plot before it takes place. Because they were french citizens these terrorists could have come here. They were on a nofly list. Thats correct. But they could have come here with just their passports under the u. S. Visa waiver program. So if the u. S. Fly list had not stopped them they could have landed here. So is the visa program a hole in the security net . This is not new for me. I serve on the Judiciary Committee as well and its my belief, and ive said this publicly many times, that the Visa Waiver Program is the achilles heel of america, because youre right, gloria. They can come back from training they go through a visa waiver country and they come into this country. Now, there are nofly lists, there are terrorist lists, but theyre in the tens of thousands and even millions so its difficult to ferret someone out. There are stolen travel documents, large numbers that they can pick up a false passport et cetera. So we have a big problem there. I think we need to take a look at the Visa Waiver Program again, and see what we can do to prevent this kind of thing from happening. Because i believe it will happen if it hasnt already. When the president spoke about his antiisis Campaign Last fall he said that he was going to he compared his strategy to the one that the u. S. Had successfully pursued in yemen and somalia for years. Looking at what happened in paris this week and looking at the connections between emwhyyemen and these terrorists was the president on the wrong track with that example . Well i dont quite know what he was referring to. Yes. So its hard for me to comment, but yemen, you know we have a very serious bombmaker still alive. They are now putting out propaganda for the most serious kind of bombmaking target list planes to bomb where to sit on the plane, and this material circulates freely throughout the internet. It is comprehensive. Ive just reviewed it and its a very deep concern to me. Now, what you do about this, i dont know. Is it a problem in terms of recruitment . I believe it is a big problem. So could you sensor the internet . Could you say these things should not be allowed on the internet . I dont know. I did the bombmaking legislation thats now law waysbased on the terrorist handbook in the 90s, and if you have knowledge and intent that your material is in fact going to be used for an attack it is a felony. The Justice Department has prosecuted a few people for this not a lot. They say its very difficult, as we know, but thats where we are. When you have a recipe for a very serious bomb out there on the internet, you need to deal with it because we know the people who put it there intend to have it used for a criminal act. Let me just switch topics on you for one quick second about general petraeus. You have worked with general petraeus. There are reports that the Justice Department prosecutors may have a document on the attorney generals desk recommending prosecution. Would an indictment be appropriate as far as youre concerned and has this been handled appropriately. Let me say what i think. This man has suffered enough in my view. Hes the fourstar general of our generation. I saw him in iraq. He put together the army field manual. He put together the awakening and how it worked out. He i think is a very brilliant man. People arent pefb. He he made a mistake. He lost his job as a cia director because of it. I mean, how much do you want to punish somebody . I dont know if i believe he directly gave material to her or not. I know she had access to classified data by her own classification, so its murky, but be that as it may, its done. Its over and hes retired. Hes lost his job. I mean how much does government want . So i hear you saying that he shouldnt be indicted. I think thats correct. Senator feinstein, thanks so much for being here today as always. Thank you. Lets go to paris to jake tapper where almost 1 Million People are attending that unity march we spoke of before. So jake, what do things look like now from your perch . Reporter bonseur, mad moye sell bonseur. We are here in paris at the Place De La Republique which is where this rally is beginning. Weve been here for hours now as the crowd went from dozens to hundreds to thousands to now tens of thousands. It has been cold taken hasand it has been rainy but i have to tell you the feeling here is warm. It is a crowd that is excited, it is a crowd that is united. They just finished singing the marseilles the National Anthem in france sorry for botching the pronunciation of that. For the third time theyve been chants who are you, charlie who are you, charlie. There are flags from countries all over the world, even a flag from the state of california here. People here Holding Signs saying not only i am charlie standing of course for Charlie Hebdo, the french satirical magazine where 12 innocent people were slaughtered by terrorists on wednesday, but also je suis ahmed, referring to the Muslim Police officer killed wednesday, je suis jewish talking about solidarity for the four jews targeted and killed in that Kosher Grocery store on friday. There is a lot developing behind the scenes when it comes to investigation in the terrorist attacks. Obviously one of the suspects one of the terrorists Amedy Coulibaly released a video in which he pledged allegiance to isis that was released earlier today. But beyond that beyond the hate and the investigation into the terrorism, this is really a remarkable scene of the country of france coming together with World Leaders, ranging from british Prime MinisterDavid Cameron to israeli Prime MinisterBenjamin Netanyahu to the Palestinian Authority president Mahmoud Abbas, leaders from turkey germany, eric holder the u. S. Attorney general here. Sure. Reporter all coming together standing with france saying jake reporter we will not be bowed. Jake does it have a feeling, you were in this country as was i for 9 11. Does it have that sort of same sense that we witnessed in this country when every member of congress came out on the steps of the capitol and sang together and you know, the feeling in this country was very much one of unity, one of fighting back one of not letting the terrorists take charge . Reporter you know i remember the immediate days after 9 11 being a little bit more fearful, because, a, it was such a shock to the system so new, at least to people in the United States, including myself the concept of terrorism striking on our shores. Sure. Reporter but also because the loss of life was so massive. It reminds me a little bit more of the rally outside the white house after bin laden was killed. Umhum. Reporter after it was announced that sunday evening, when all those people spontaneously organically came to the white house and said usa usa its almost that kind of feeling, a pride, a defiance of saying, we will not be on our knees, as the late editor of Charlie Hebdo once said id rather die on my feet than live on my knees. Thats more the spirit i think. Everybody is standing up for him and all the others who lost their lives. Thanks so much jake. Well be coming back to you. But when we come back attorney general eric holder on what steps the u. S. 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I spoke with him a short while ago about the paris incident. Mr. Attorney general, thanks so much for being here with us this morning, from paris. Americans have watched in shock and horror as events unfolded in france this week. Did anything about the nature and the sophistication of this attack surprise you . Well certainly were horrified by what happened and we express our condolences to the french people but i think what we saw in france over the course of this last week is unfortunately what were going to have to confront into the future. We have seen these kinds of attacks, or attempts at these kinds of attacks certainly in the United States. Weve seen things like this in the united kingdom. Weve seen this in nairobi and australia and canada. This is the nature of the new threat that we must confront. We can, i think, successfully confront it if we share information in a way that perhaps we have not in the past and do a variety of other things but i am very concerned about what we saw this week in france. Were now being told today that one of the terrorists has activated other sleeper cells in france. Do you believe that all of these terrorists are part of a larger sleeper cell operation . Well the french have the lead on this investigation, and i would defer to them as to what their investigation has so far uncovered. What i will say is that the United States is working with our french counterparts as best we can sharing Law Enforcement information with them sharing intelligence information with them making available to them the information that we have in our various databases, and im confident they will ultimately be able to determine exactly who was responsible for these acts and roll up all of the people who were in fact involved. Should we assume there are similar sleeper cells in the United States . Yes . No . Well, one of the things that we are constantly doing is looking at the body of people who we are concerned about in the United States use legitimate means to monitor their activities. We dont stereotype but we are constantly looking at those people to make sure that we are doing all the things that we can to keep the American People safe in stopping them from engaging in the kinds of activities that we saw here in france this week. One terrorist is still on the run and shes apparently headed to syria, if shes not there already. Do you have her in your sights . Well were working with our allies. We have looked at the number of westerners who have gone to syria. We focus mostly on the americans who have gone to syria, about 150 or so have gone to sear yar or attempted to do that syria and iraq. We think there are 12 there now who are actually engaged in the fight, but we work with our allies allies. We share information and one of the things that we frankly have to do better. We have to monitor each others citizens because the reality is that any one nation can be hurt by the citizens of another na