Were in patients who had the highest dose of the medication, some 161 patients. They were followed over 18 months. Well have to see how this pans out. Its got to go through bigger trials and more locations and see if the results stay the same and that could still take several years. But fred, look, theres some 5 Million People in this country with alzheimers. The numbers are expected to triple over the next 30 years, so any possibility of hope here will obviously generate a lot of buzz. Hope is always key. Thank you so much, dr. Sanjay gupta. Thank you so much for joining me. We have so much more straight ahead in the newsroom with a ana cabrera from new york. You are live in the cnn newsroom. Im ana cabrera in new york. Somebody is lying, but the question is, who are you going to believe . Someone not really known for telling the truth or someone on record with more than 3,000 The latest news and information from around the world with host Ana Cabrera. Happened and also recommend reforms for congress to put in place and for the Executive Branch to use to devote resources so we can protect the ballot box. I think thats the most important thing we can do. Bob mueller should look at the crimes that were committed but our nations leaders should unite. If the president isnt willing to do it, its going to take bipartisan efforts in congress. We have not seen that willingness from paul ryan or Mitch Mcconnell so im afraid were going to go in just as vulnerable this november. Amid all this, putin is saying hes ready to come to washington. Hes even invited President Trump to moscow, an invitation the white house says it is open to. Im sure you have some thoughts about the meeting at all in helsinki, but if this meeting does happen, what should be the goal of this second summit of sorts . Yeah, well, first, if Vladimir Putin comes to washington, i can promise you he will not be as alone with President Trump as he would like. He will hear millions of voices in a free democracy protesting outside of the white house. But i dont think the president should have a meeting with Vladimir Putin unless he can achieve american strategic objectives, including really reducing what Vladimir Putin is doing in Syria To Support bashar al assad, reducing what Vladimir Putin has already done in ukraine and telling him were not going to accept his Annexation Of Crimea and most importantly directly con frfrong him, looking him in the eye and saying, we will not tolerate election meddling. There will be a price to pay. He had an opportunity to do that and President Trump was incapable so if were going to see a repeat of that, thats going to make america look weaker. If they were coming out of that summit to have a Press Conference and the president confronted President Putin right then and there, would that change your opinion of what you have so far surmised about their relationship . Yes. I think we would all unite behind a president who could stand up for our condition. Congressman eric swalwell, thank you very much. My pleasure. Coming up, the breakup from the guy who would take a bullet for trump to the man seemingly ready to expose all of his secrets. A look at what years of loyalty got Michael Cohen after the fbi came knocking. Plus the deadly inferno out west, thousands on the run from flames consuming homes in california. We are live. And later welcome to one of the last truly wild places on earth. Cnns bill weir is on the ground in alaska where the fight over drilling in the National Wildlife refuge is raging. Truecar is great for finding new cars. Youre smart, you already knew that. But its also great for finding the perfect used car. Youll see what a fair price is and you can connect with a truecar certified dealer. Now youre even smarter. This is truecar. Electronic Dance Music hi, kids im carl and im a broker. Do you offer 4. 95 online Equity Trades . 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Even after the fbi rated his apartment, Michael Cohen reportededly said he would jump off a building. So how did he become one of trumps biggest potential legal threats . Cnns tom foreman takes a look. Reporter Donald Trumps defender you guys are down, and it makes sense. Says who . Says who . Polls. Most of them. All of them. Reporter his trusted adviser. The words the media should be using to describe mr. Trump are generous, compassionate, and mo. Reporter and most of all his lawyer. My job is i protect mr. Trump. Thats what it is. If theres an issue that relates to mr. Trump that is of concern to him, its, of course, of concern to me. Reporter Michael Cohen has been all that to donald trump and trump has returned the favor with an extremely rare close relationship. It was much more than an attorneyclient relationship. It was certainly it was something much deeper, almost father and son kind of thing. Donald trump knew that Michael Always had his back. Reporter the two native new yorkers joined forces about a dozen years ago when cohen bought a condo in a trump building, and by most accounts, they bonded quickly over their shared values and sharp elbows. Soon, cohen was handling real estate deals, helping run some companies, and even coordinating transportation for trump. They say im mr. Trumps pit bull, that i am his im his righthand man. Reporter when Trumps Campaign lit up, cohens portfolio expanded to include alleged payoffs to women claiming sexual relationships with his client even as the president has steadily denied them. Why did Michael Cohen make the you have to ask Michael Cohen. Michaels my an attorney, and youll have to ask michael. Reporter and as the russia investigation tightened, cohen famously told vanity fair last year, im the guy who would take a bullet for the president. Breaking news, the fbi today raided the offices of President Trumps longtime attorney, Michael Cohen. Reporter the president erupted. Its a disgrace. Its an attack on our country in a true sense. Reporter but while he shouted witch hunt, cohen has since gone another way, telling abc, i dont agree with those who deem pize or vilify the fbi. I will not be a punching bag in anyones defense strategy, and now, i put family and country first. For his part, President Trump, who used to routinely and warmly talk about Michael Cohen, now seems to not be saying his name publicly at all, let alone nice thins about him. Tom foreman, cnn, washington. Lets talk it over with micha Michael Zeldin and rachel koogal. Michael, i want to start with you. You know, why is cohen publicly floating his alleged Dirt On Trump and that 2016 meeting at trump tower . What is the possible legal strategy there . Thats a mystery to me. If i were advising Michael Cohen, i would tell him to not do any of the things that hes done, such as release these tapes if thats who was the source to the New York Times, go on chris cuomos show with your story to tell and then have it be told that youre going to flip on the president. I just Doesnt Make Sense to me. My years as a defense attorney, my years as a prosecutor tell me that thats a strategy thats mystifying. He should be working quietly with the Southern District of new york to try to resolve the issues and become, you know, less in jeopardy himself personally and more cooperative with their investigation. Whats wrong with this strategy, though . It makes it appear as if he is begging for a deal, that he will say anything, true or false, to get that deal and thereby undermine his credibility and utility to the Southern District. Lets take a look at trumps outside lawyer, rudy giuliani, and his evolving opinion of Michael Cohen that hes been putting out there in the media. Watch. He doesnt have any incriminating evidence about the president or himself. The man is an honest, honorable lawyer. I expected Something Like this from cohen. Hes been lying all week. I mean, hes been lying for years. Going from hes an honest man to hes a total liar. Conflicti conflicting accounts there of cohens credibility. Could that end up complicating trumps defense strategy, rachel . I think two things. I think one is certainly his credibility cohens credibility is in serious question and thats why he should have kept his part in this quiet. But as far as what giuliani is saying, remember what the lawyer says cannot really be imparted to the client in that way. So this is not, you know, Donald Trumps position. Donald trumps defense. This is his lawyers argument on it and thats important, right . Theres a very big difference between what trump says about whats happening and what giuliani says about whats happening as his lawyer or mouthpiece. I also am reminded that its now been more than 20 times trump and his allies have denied, denied that he knew of that 2016 Trump Tower Meeting prior to when the New York Times first reported about it last year. Watch this. Did you tell your father anything about this . No. It was such a nothing. There was nothing to tell. Look, heres what happened. Donald trump jr. Put it all out today. Its all out. Did you know at the time they had the meeting. No, i didnt know anything about the meeting. Lets focus on what the president was aware of. Nothing. He was not aware of the meeting. It must have been a very important it must have been a very unimportant meeting because i never even heard about it. I wouldnt even have remembered it until you start scouring through the stuff. It was a wasted 20 minutes, which was a shame. So all that is what was said to media outlets, but donald trump jr. , he denied trumps knowledge under oath, so michael, if cohens claim is corroborated, could don junior end up facing Perjury Charges . Yes, false statement or perjury depending on the nature of the question and answer and thats problematic for don junior, but Michael Cohen needs to be corroborated. Right now, theres very little in the Public Domain that we know of that corroborates his version. I think a key witness here is hope hicks. What did she know, and was she aware of trumps knowledge prior to the meeting, and what numbers were called by don junior that were blocked that we dont know of yet . That may be reflective of the communication between don junior and his father about the meeting. So there are things that can be obtained that corroborate cohen or not corroborate cohen, but those have not yet leaked out into the public process. Do you think mueller already knows, though . I think mueller knows a lot. I think mueller has access to all of this stuff, but a lot of this stuff is, you know, witness dependent and it may be that if this is a new tale that cohen is saying remember, cohen hasnt spoken to mueller that it is something that mueller will now start running down. So we dont know yet whether hes looked into all of this. So listen to what cnn legal analyst paul callan is floating out there. Im going to read a part of his cnn. Com piece. He writes, if cohens claim is corroborated, it could theoretically give special Counsel Robert Mueller the leverage to propose a deal. Resign the presidency in exchange for immunity for don junior. Otherwise, don junior will be indicted for lying to the Senate Judiciary committee. Rachel, whats your take . First of all, i think thats really problematic for a couple of reasons. You know, do we really want understanding that someones unpopular but theres a constitutional process for how an impeachment, how someone becomes removed from the presidency to let someone in a position of Robert Mueller decide who the president is at any given time is a dangerous precedent to set, even if its an unpopular president. Remember, our constitutions only as good as how it protects those that are unpopular. If the unpopular arent protected then none of us are so we have to be really careful about this idea that just because he may be unpopular, he may have done some unsavory things, some bad political things, doesnt mean that someone in Robert Muellers position should really have the right to choose who is the president of the United States at any given time. Thats extraordinarily undemocratic. My takeaway from this here, michael, is really that hes suggesting that don junior may end up being the key in some way to get to President Trump. Do you think Robert Mueller would go there . No. I actually i like paul and i respect his legal opinion. I think that were donald trump jr. To be in legal jeopardy, why not just pardon him. I dont know that you need to make a deal of immunity for resignation. I dont think thats likely to happen when he possesses pardon power, and it could well be that don junior ends up in legal trouble. The president has that pardon power and well see how it goes, but i just cant see Mueller Offering muellers a conservative, not in a political sense but in a legal sense, and i dont think that that would sit well with him as the an appropriate like rachel says, i dont think that would be an appropriate way for a prosecutor to behave. All right. Thank you both. Michael zeldin and rachel kugel, thank you both for being with us. Coming up, tornados of fire. Look at these images out of california. Crews are battling a deadly blaze that is burning unchecked right now out west. 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People are running for their lives. Their homes and neighborhoods burst into flames. There is a race against time, and the elements, as authorities are searching for a greatgrandmother and two Young Children who went missing when this filedfire roared through the city of reddinging, forcing thousands to flee. Officials now confirm at least two people are dead, three are missing, 500 structures are destroyed. This fire exploded overnight and has now burned nearly 81,000 acres. Joining us is cnns dan simon. He is on the ground in keswick, california. Dan, destruction behind you. Whats happening right now . Reporter well, hey. The size and scope of this disaster is truly incredible. This is keswick estates. You can see that theres just nothing left. The fire just roared through this neighborhood and take a look at this Vantage Point from our Satellite Truck and just gives you an idea of the magnitude of what were looking at here. This community of keswick just outside of redding, this is also the area where that grandmother, that greatgrandmother and those two kids also went missing. As you said, officially, the death toll is at two, but as the Sheriffs Office has indicated, theres a chance that they might get more missing person reports and ultimately, unfortunately, maybe more people will be declared dead. This is just a truly devastating episode thats happened here in northern california. Its impacted people in so many ways. I want you to hear what some people are saying, beginning with a local newscaster who had to evacuate the set as the flames got close. Take a look. Right now, we are being evacuated. Thats where we are kind of closing out right now. We are going to leave the station because it is now unsafe to be here. You just cant believe this is happening in your community. That house is my whole life. Theres just one thing thats in that house that is not replaceable to me, and it sounds silly, but its a car that ive had since i was 17. It was my first car. If it gets destroyed, theres no replacing that. We didnt think the fire was going to come here. So, we didnt really take things out. Like Everybody Else that was scrambling at the last minute to get out, when we saw the fire on the ridge. Reporter well, the forecast calls for a bad Fire Fighting weather over the next few days, triple temperatures at least in the middle of next week. Humidity remains low and the winds remain high at night so it could be several more days before firefighters get a handle on this. That is not good news. Thank you very much, dan simon. We know you will continue to stay on top of it. Just looking at your images, it is heartbreaking to know that is someones property, their home, their livelihood. Again, thanks, dan. Coming up, the fight over trumps move to drill in one of the most controversial places in the u. S. Bill weir is on the ground in Alaskas Arctic National Wildlife refuge. But sure to tune in tonight. Van jones is oneonone with nba star carmelo anthony. Plus, van takes on the Progressive Movement thats surging in the trump era. The Van Jones Show airs tonight at 7 00 right here on cnn. You dr with a lens made by essilor . Sharper vision, without limits. Days that go from sun up to sun down. A whole world in all its beauty. Three Innovative Technologies for our ultimate in vision, clarity, and protection. Together in a single lens. Essilor ultimate lens package. Purchase the Essilor Ultimate Lens Package and get a second pair of qualifying lenses free. Essilor. Better sight. Better life. A hotel can make or break a trip. And at expedia, we dont think you should be rushed into booking one. Thats why we created expedias addon advantage. Now after booking your flight, you unlock discounts on select hotels right until the day you leave. Addon advantage. Discounted hotel rates when you add on to your trip. Only when you book with expedia. My mom washes the dishes. Before she puts them in the dishwasher. So what does the dishwasher do . New Cascade Platinum does the work for you, prewashing and removing stuckon foods, the first time. Wow, thats clean new Cascade Platinum. But shes got work to do. Pain. So she took aleve. If shed taken another pain reliever, shed be stopping for more pills by now. Only aleve has the strength to stop tough pain for up to 12 hours with just one pill. Aleve. All day strong. The alaskan wilderness is one of the few remaining unspoiled areas in the world, but now 1. 5 million acres of Alaskas Arctic National Wildlife refuge is facing off with the trump administration. Laws signed last year are opening the door for Oil Businesses for the first time in decades. Cnns bill weir, host of The Wonder List takes us there. This is magnificent. Wow. Way up at the tiptop of alaska, an airplane can feel like a time machine. You see there . Theres a bunch of little babies around. The arctic National Wildlife refuge is the kind of pure wilderness most of america paved over long ago. This is it. We are in the heart of the arctic refuge. Welcome to one of the last truly wild places on earth. The coastal plain brims with life from musk oxen to bears, both grizzly and polar. Birds that will migrate to the backyards of all 50 states. But as florian has captured over the years, the most common creature is the caribou, and not just a few, but hundreds of thousands. The kind of herd unseen since the Plains Buffalo were wiped away and when florian is here with his family, he cant help but wonder how long it will last. We need to keep some of these places untouched. We are changing the world everywhere so fast, but why not leave a few places unspoiled. For almost 60 years, that was the rationale that protected anwar from this. These are the oil fields that fill the famous pipeline and power countless lives. But since there are billions of barrels elsewhere, Nature Lovers have long argued there is no need to drill here, and for decades, that argument held until one day a friend of mine in the oil business called. Is it true that you have anwar in the bill . I said, i dont know, who cares. What is that . He said, you know, reagan tried. Every single president tried. I said, you got to be kidding. I love it now. And after that, we fought like hell to get anwar. Decembers tax cut bill also opened anwar to Drilling Thanks to alaska senator Lisa Murkowski who slipped in the provision knowing that it would only need 51 instead of 60 votes to pass. It is wrong for those from the outside looking in who have taken a nice trip into an area and said, this must be protected. But conservationists point out there is already a huge glut of american oil. And Oil Companies are laying people off up here, right . Because prices are so low. Oil companies have been laying people off and for the first time in the last five years, i was seeing more oil Company Workers leaving the state of alaska and going to places like north dakota than coming into the state. But much like trumps efforts to revive dying coal mines, the rush to drill here seems driven more by politics than economics. Former speaker of the house tom delay once said if we could drill in anwar, it will break the back of the environmental lobby. Well, they havent drilled in anwar yet. We know the arctic regions are heating twice as fast as any other part of the world and it makes zero sense to come here and look for more oil thats going to exacerbate that problem. And among those opposed is the northern most tribe of native americans. How many people live here . About 150 year round. Wow. I think about 150 people live on my floor of my apartment building. Their numbers may be tiny, but they are definitely not outsiders. Archaeological evidence shows weve been here over 25,000 years. And the only reason they survived is caribou. Back in the day, they would trap the animals in these handmade corrals. These days they use guns and snow mobiles but still need the animals to survive in one of the most expensive neighborhoods in america. Groceries at the midnight sun can cost twice as much as the whole foods in manhattan. Gasoline up here runs 10 a gallon. But still, given the choice between oil money and caribou, there is no debate. These folks will stick with the one animal that has kept them alive for thousands of years and they cannot imagine drills and trucks and pipelines across what they call the sacred place where life begins. Look what happened to the Plains Indians and the buffalo. Thats not going to happen to my people. Were not going to allow that to happen again. They are a native american david against a goliath of Oil Companies, republican lawmakers, and the coastal tribe of Native Alaskans eager to drill and cash in. Now that the u. S. Is saying we can finally do this, now we have the other side, the environmentalists, saying we cant do this. Whats wrong with this picture . As the government rushes towards development, Community Meetings lay bare the fight, tribe versus tribe, neighbor against neighbor. We have thousands of gallons discovered in places that have already seen destruction, but restraint is what we lack. When did we all become owners of the land . It has always owned us. Bill weir, cnn, alaska. Coming up, a special council, secret tapes, and a war with the social media, the week that had some eerie similarities to the nixon presidency. Stay right there. Im a fighter. Always have been. When i found out i had agerelated macular degeneration, amd, i wanted to fight back. My doctor and i came up with a plan. It includes preservision. Only Preservision Areds 2 has the exact nutrient formula recommended by the National Eye Institute to help reduce the risk of progression of moderate to advanced amd. Thats why i fight. Because its my vision. Preservision. Also, in a greattasting chewable. Does it look like im done . Yet . Shouldnt you be at work . [ mockingly ] shouldnt you be at work . Todd. Hold on. [ engine revs ] arcade game fist pump your real bikes all fixed. Man, you guys are good well, we are the numberone Motorcycle Insurer in the country. Wait. You have a real motorcycle . And real insurance, with 24hour customer support. Arcade game wipeout oh well. I retire as champion. Game hog champion. They are the worst. Those very dishonest people back there, absolute dishonest, absolute scum. We have a very Crooked Media. Its time to expose the Crooked Media deceptions. Its frankly disgusting the way the press is able to write whatever they want to write. Ive never seen more dishonest media. Theyre bad people and i think they dont like our country. The media deserves a very, very big fat fat failing grade. They are the enemy of the people. I would never kill them. But i do hate them. And some of them are such lying disgusting people. Its true. Joining us cnn political the analyst, also a historian and professor of hirnts at princeton university. Julian zalzer. Hue do you think trump ace disdain and relationship with the media media stacks up with nixon. I do think Richard Nixon hated the press. He felt the press was unfair, out to get him. He felt the press was giving america a skewed pirks of who he is. To learn a lot of what nixon thought we needed the secret tapes. Whereas President Trump he just says it front and center either on the twitter feed or television. Its a much more public attack that we have from the current president. Earlier this week the white house refused to back down after barring our Kaitlan Collins sfr an event in the rose garden because she shouted some questions that he apparently didnt like. They said he wasnt taking questions. It brought to mind this moment from the nixon tapes when iks knicks isnt speaking about the Washington Post to ron zeegleer. I want to it clearly understood from now on, ever no reporter from the Washington Post is ever to be in the white house. Is that clear. Absolutely. Unless its a Press Conference. In the briefings. In a briefing. Never in the white house, no churches is service, nothing which mrs. Nixon. You tell mrs. Nixon she will approve it no reporter from the Washington Post is ever to be in the white house again. And no photographer either. Umhum. No photographer. Is that clear. Yes, sir. None ever to be in. That is a total order. And if necessary, ill fire you. Do you understand. I do understand. Okay. All right. Good. Okay. Thank you. And now here we are four decades later. Right, not a very nice man. And thats just the tip of the iceberg. He literally would push certain Media Institutions away and not give them access. He tried to get the fbi to leak all kinds of damaging information about specific reporters about whether they were homosexuals. He even intimidated them and even intimidated News Stations with the f. C. C. Licenses. It was an all out war. For a while it worked backup thats what people forget. Until 72 the press did back away from reporting too aggressively on him. And its only after 72 the press ramps up coverage. But this isnt a comparison President Trump should necessarily be proud of. You want to compare yourself to linking, fdr ob not to Richard Knicks Zbloon of course the other parallel this week to the nixon administration, the cow cohen recording out there. The investigation into the president could rely on tapes. In fact 45 years ago this week this was the cover of news week. Does any of that surprise you . Well, this was a big part of thedown fall of Richard Nixon. It was in july. 73 the office learned of the recording processes. A and the president recorded his oval office and other conversations. This material becomes the basis of his do you feel. Ultimately its a segment where you can hear Richard Nixon trying to block the investigation that leads members of congress to say no more. We only have a little snippet at this point and we dont know what is out there. But hearing a president do something that is wrong is different than hearing about it. And i think thats what we learned with the nixon tapes. And well see what else is out there at this point. And its obviously yet to be determined if politically this changes the tide. Its a different era. You know, Richard Nixon didnt have conservative news outlets to spin the story his way. Richard nixon didnt have twitter where he could instantly respond and try to discredit the Washington Post or discredit congress as they tried to talk about the tapes. And were more polarized. So there is part of the public that wont be moved in the same way they could still be moved back in 73 and 74. Some people questioned if michael coisnt trying to have a john dean moment in refrps to nixons council who turned against him and joined sides with the prosecution during watergate. Is that whats happening with cohen. He might be. And it might be to protect himself. But it might lead to damaging material for the president. We dont know what the motivations are or what he will do. But this is what happens when you have a problematic president and a president aggressive like we heard nixon on the tapes. People can turn against you. Your allies can become enemies and sometimes the former allies can be the most damaging of all. So much to discuss and thank you for laying it out there. Julian, your wealth of knowledge i appreciate your take. And we honor every week we honor americans doing extraordinary work. This week rob gore. A Emergency Room Physician doing antiviolence work in new york. And now we want to you meet to Black Pantherster star who nominated. We grew up together. I saw him doing the wonderful community work. Im very familiar with cnn heroes a fan of the show. As i volunteered here i said wait a second, cnn heroes, dr. Gore perfect match. Here we are. Im so proud of my friend as he xcels in this way. So surreal and exciting. So rewarding. To learn more about this story or to nominate someone you think should be a cnn hero, log on to cnn heroes. Com but heads up the nominations close tuesday night. Dont delay. Well be right back. vo i was born during the winter of 77. I first met james in 5th grade. We got married after college. And had twin boys. But then one night, a truck didnt stop. But thanks to our forester, neither did our story. 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