received classified e-mails over a private server. they warn it could contain other classified data. the controversy is apparently hurting the campaign. a new poll shows her lead over bernie sanders slipping a bit in iowa and new hampshire. though it is still large. across the aisle donald trump's star is rising. despite the controversial comments about john mccain's war hero status. he said it rigbc news polling voters. and while it department have a big impact in iowa, it hurt in new hampshire where the ratings cut in half. we are now ten days from the first gop debate and reince priebus is confident. >> with 16 kand dits and 16 choices i they that you are going to see a lot of different people surge and ahead and behind. i think donald trump recognized that. it's a long process.

we have a varsity squad out on field an i'm excited about the fact a lot of candidates are already beating hillary clinton in the important states. >> meanwhile, president obama's in africa. more on that coming up but he took a moment today in ethiopia to strike both donald trump and governor huckabee. the president reacting to huckabee's comment with the iran deal, president obama is marching the people of israel, quote, to the door of the oven. a holocaust reference. >> particular comments of mr. huckabee are -- i think part of just a general pattern that we have seen that is -- would be considered ridiculous if it weren't so sad. maybe this is just an effort to push mr. trump out of the headlines.

but it's not the kind of leadership that is needed for america right now. >> huckabee reacting telling msnbc, quote, when's ridiculous and sad is president obama doesn't take the iran threat seriously. never again will be the policy of my administration. jeb bush is also weighing in. >> look. i've been to israel not as many times as mike huckabee who i respect but the use of that kind of language is just wrong. this is not way we're going to win elections. >> let's get trigt political reporter alex seitz-wald. that issue is not going away for hillary clinton. >> certainly not, toure. the clinton campaign did get a big boost after that news about the inspectors general finding classified information on the e-mail account. today the public editor of "the new york times" in a very strong column about friday's story which initially reported that there was a criminal investigation into hillary

clinton's e-mails and had to be walked back and margaret sullivan saying fraught with inokay ray ra sys and major problems and the clinton campaign turned this into a question of "the new york times" and journalistic ethics and not the e-mails but same time that inspectors general found four pieces of classifyied information in a tiny sample and could be a lot more out there and could be the beginning of this even if it's information sent to her and not e-mail that she sent. but there's no doubt that this is continuing to be an issue for her. and we're seeing it in the polls. absolutely. new nbc poll finding her under water. 19 points in iowa. 20 points in new hampshire. this means her unfavorability rating is much higher than the favorability rating and the numbers on her untrustworthiness ticking up too. no doubt the questions are lingering and a huge distraction today trying to roll out a big climate policy. >> all right.

alex thank you for that. for more on 2016 politics and the new poll let's bring in nbc's kerry dan and senior political reporter perry bacon. perry, so hillary, of course dominating in the money race on the left. she's raised over $63 million. bernie sanders and martin o'malley have walking around money compared to that. as alex mentioned, hillary's favorability is underwater in iowa and new hampshire and slightly underwater nationally. how concerned should she be about this? >> i think at this stage not very concerned. she's still got a very large lead in iowa and in new hampshire. she's still a relative favorite and looking at numbers, one thing polling is showing us more and more people have negative views of all politicians in a lot of ways and not surprised the ratings so high in the fact that president obama's numbers are near that 45 48 as well.

i don't think it's -- it's hard to hold an office with being popular. fast forward to next year how do her numbers compare? in the same range, she can be the president even if a lot of people don't like her that much. >> kerry, on the other kand a politician who people have a favorable view of is bernie sanders with the best ratings of any candidate, democrat or republican in iowa and new hampshire. what's it say to you? does bernie have room to grow in the states? >> we have seen a significant surge in the latest polls. last polled iowa and new hampshire back in february and since then bernie sanders had a 18-point boost in iowa and a 19-point boost in new hampshire. in iowa, that doesn't put him in striking range and 30 points behind hillary clinton but in new hampshire which is close to bernie sanders' home state vermont he is at 13 points behind and hillary clinton is

taken a little bit of a hit in favorability even with democrats in both of these states and clearly he is getting a little bit of a boost here. these numbers look a lot like past polls. it's that same part of the democratic and the democratic party this liked elizabeth warren. sort of a same progressive voters transferred to bernie sanders and right now he is getting a lot of publicity for this. >> a tells you a lot about who's seen as viable nominees. the other question i was going to ask eat of you to respond, perry, you look at donald trump and someone pretended to run for president many times, convinced a lot of the press he is worth covering even if many people don't think he has a path to nomination and new evidence here in the nbc poll looking at the unfavorable ratings in iowa among republicans, forget independents and democrats, just among the likely republican universe, trump 44% of a negative view of him, way out

ahead of the other large numbers. what does that tell you, perry, about his ceiling? >> we are getting right near it right now. 20% in some of the polls. i think that tells you some study last week showing about half the coverage of the 2016 republican primary in the last month was about donald trump. >> which is embarrassing. >> the argument is made that a lot of numbers going up because of the coverage and the media attention and not that popular. you have a sense a lot of republican voters are certainly not going to vote for donald trump. so even though he's got a pretty high rating now, he's a very low ceiling to me. hard to grow to 50%, 60%. hard to see him winning the nomination. same time he is right now the question for him is he's at this number right now. can he start hiring people on the ground can he grow it anymore and become stopping calling people's cell phone numbers and a regular, traditional candidate, can he change the numbers? a lot of people know him now. if donald trump wants to be president, he's got the room to

try to grow and numbers can change. i haven't seen the evidence he is doing the things to be at what i call a real candidate right now. >> carrie -- >> go ahead. >> this is evidence of how many people are in this republican primary race. normally a candidate 40 points underwater and 14 points underwater with his own water wouldn't be leading in new hampshire but because donald trump is able to pull a point or two here off of all of these other 16 republicans who are running, it's evidence that he can be in first place while being deeply unpopular in new hampshire and somewhat within his own party. >> perry, we have never actually seen this many people run for president on one side of the aisle before. this is really making history. of course, this is ultimately about the race to the white house but right now it's the race to the debate stage for the republicans that are running. and in order to make it there, you have to make it in the top ten of the most recent national polls here. and it seems like the best way to make inroads to make the

headlines to maybe make some waves in the polls is to say provocative things things that might rate well with the far right but can be quite i guess disrespectful to a large chunk of the population. i had to read what mike huckabee said about the iran deal a few times. have we had ret like this or reached a new low in terms of how candidates speak and willing to say here? >> you know, i would say mike huckabee's been saying controversial things for a long time and he is in the top tens in the polls. she is going to make the debate. i think what he said was less a reflection of a need to be in the debate and how opposed republicans are to this iran deal and how opposed and personally discouraged they are by president obama and less an example of desperation to be relevant and more of an example of, you know donald trump four years ago, we talk about him like a neutral figure, four

years ago he said the sitting president was not born in the united states so the fact that he is the top of the poll shows we have a level of extremism in the party that's problematic and the president mentioned a 18 months the leave office an give the keys he said to someone when's able to lead and these comments are unbecoming of people becoming the president of the united states. >> thank you very much. >> thank you. >> thank you. mike huckabee isn't the only candidate hitting the president. saying good-bye. nguyen rals right now for the victims of the lafayette movie shooting. the canine cure for cancer. an exclusive on a possible cancer treatment breakthrough for dog ss and perhaps for people.

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we are back and in the news cycle the president makes international head leans from africa. the community says good-bye to the victims of the lafayette movie shooting and questions linger after the death of bobbi kristina brown. we begin with developing news out of florida on the all-out search for two teenage boys who disappeared while fishing off the coast. austin and perry haven't been seen since friday. though the coast guard found the 19-foot boat on sunday about 67 miles from where they were last seen and now the search area is expanding to roughly the size of the state of indiana.

msnbc's adam reiss is live in jupiter. why did officials expand this search and how are they managing to cover all of that area? >> reporter: well, part of that crystalkr krystal, families are asking people to search looking for anything that might be related to the boys including in cooler and an engine cover. they want to know anything related to them that might be found and could lead them to the two missing boys. the navy joined in with this search. they're involved. the capsized boat found about 170 miles north of here. here's what joe namath a friend of the family, he's lived here in jupiter for a while and knows the boys very well. >> we keep on praying, man. it's hard. so hard. we got to believe in their wherewithal and we have some confidence in that area. no doubt. the good lord got to help us

out. >> reporter: now, the boys were last seen on friday filling up the boat. they're experienced sailors. their family said they were just as comfortable on the water as on land. what happened? did they run out of gas? did they have engine problems? we don't know. there were weather issues on friday afternoon. the coast guard had issued a weather warning. the families keeping the faith, remaining hopeful that the boys come home alive. chris krystal. >> thank you. the funeral for jillian johnson is underway in louisiana. the 33-year-old artist and singer was one of two killed last week in the movie shooting. hundreds of mourners gathered this morning to lay to rest mayci breaux. jamie novogrod is latest with the latest. >> reporter: there are new indications of how questions

about houser's mental health escaped notice buying the gun he used here last thursday. we know that houser bought the gun, a 45-caliber gun, in an alabama pawnshop last year. and we know according to investigators that the purchase was legal. what does that mean? that means a background check would have been done. today, we've learned about court documents or we know about documents that made references in a number of instances to the mental health history. after an arrest of arson charges, he was recommended to be evaluated and we know in 2008 that his wife and his family filed a protective order or petition for a protective order against him saying he was a danger to himself and others and they requested that he be committed for mental health treatment. we know that on that same day a probate judge in georgia filed an order to be apprehended for

evaluation. however, that petition only good for about five days. it -- in order to be committed over a longer period, it would have required a second petition and only second petition to have triggered a flag to the national database and prevented him from buying the gun. we know today, nbc news learned from the georgia bureau of investigation that that second petition to commit him over the longer term was never signed. >> all right. jamie novogrod thank you so much for that. investigation is under way into the death of bobbi kristina brown. daughter of whitney houston and bobby brown. she was pronounced dead yesterday after just 22 years old. six months after she was found unresponsive in a bathtub like her mother. medical examiner says an autopsy will be conducted next to determine what led to her death. overseas president obama continues to make history on the

trip to africa. today the first sitting u.s. president to visit ethiopia. where he went after the record of human rights abuses. senior white house correspondent chris janesing is traveling with the president. >> reporter: hi there, krystal. there's been a lot of criticism of president obama for even coming here. human rights advocates say this is given credibility to a government that first of all is known to jail journalists and bloggers and also was elected with 100% of the vote. not in the free and fair election that white house and state department officials thought there would be. but here's what the president had to say about why he thought it was important to come. >> i believe that when all voices are being heard, when people know that they're included in the political process, that makes a country stronger and more successful and more innovative so we discussed steps that ethiopia can take to show progress on promoting good governance protecting human rights fundamental freedoms and

strengthening democracy. >> reporter: the other key thing here is counter terrorism. the u.s. and ethiopia have a strong relationship and punk waited just yesterday in neighboring somalia when a truck bomb went off killing at least a dozen people near one of the hotels considered to be a safe nest that city of mogadishu and trade going on here and that's something that they expect to grow between the two countries. this is a growing economy. and finally, an unscheduled stop for the president tonight. he went to visit lucy probably the most famous fossil in the world. more than 3 million yearless old. and just to show you how interconnected the world is, after he viewed lucy the curator said that it shows how we all are from the same place. adding, quote, even donald trump. kris snal. >> amazing moment there. thank you so much. up next the dire assessment of isis in the one on one with

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it's a serious challenge for law enforcement and for all of us focused on this issue. isil represents the morphing of the terror threat that many of us have seen for a number of years since 9/11. they can be looking for an outlet through which to commit violence. they go online. they find isis message. they usually use communications through twitter, for example. to get inspiration and the message is do something local. do something where you are. and we'll take credit for it. >> that's just one of the newsmaking comments of attorney general lynch with andrea mitchell. she's issuing a sober warning on the fight against isis as a

suicide bombing and clashes this weekend along the tushish-syria border led turkey to call for an emergency meeting of nato tomorrow. keir simmons has more from dohuk, iraq. >> reporter: there are signs that turkey and washington are agreeing to tackle isis together. turkey entering the battle against isis for the first time over the weekend, launching air strikes. but we have been inside syria with a militia 35,000 strong who say they are already battling islamic state and they have americans fighting with them. close to the front line of the fight against isis -- is that where isis is? >> all through here. >> reporter: robert rose traveled here from the south bronx to fight islamic state. there's an explosion right

there. >> yeah. >> reporter: he's never served in the military but felt he had to do something. >> fighting for my country. >> reporter: for america before isis? >> yes. before they attack us. >> reporter: launching suicide attacks. >> like the biggest bomb i ever seen just over there. like, you know about 200 meters in the air, a big fireball and we were getting attacked. there was a suicide bomber. >> reporter: and his comrades did better weapons and soon. >> they have better weapons. this is an ak from 1971. >> reporter: that's written -- made in 1971. it is written here. >> right. >> reporter: robert has an 8-year-old son. a month ago he took him to a yankees game and then left him with his grandparents. >> what i just tell him, going to fight bad people and help innocent people. >> reporter: but they're fighting with guns from the vietnam era against a ruthless enemy. and robert is fighting in a

kurdish area with a group of the ypg saying they're the ones pushing isis back but the tension of them and turkey is increasing all the time and reports that turkey has launched attacks on the ypg though turkey appears to denooi that. so the politics of this region have the potential to let isis thrive again. toure? >> wow. what a story. what a hero. thank you for that. turning attention back now to the iran deal we talked earlier about the president's response to his republican critics in africa and mike huckabee is not the only one. new jersey governor chris christie with a campaign ad blasting the president and hillary clinton firing back at huckabee. all of that in a moment. the clock is ticking on congress to ratify or reject the nuke deal helping us to review all of this is david roth-cop ceo and editor of foreign policy magazine. welcome back. you write the greatest threat iran has long posed to the

region is not the nuke program but the me fair mouse activities of seeking to impose the will and the influence. can this deal help curb those activities? >> well, theoretically, it could. if it took away nuclear power weapons for iran. made iran more a part of the international community, turned them to economic activityies and away from other activities but there's no evidence to do that. in fact it could do the opposite by putting billions of dollars in their coffers and then they could go and translate that money into more support for terrorist groups and others that could destabilize the region. so it's a big, big open question at the heart of this deal. >> yeah. david, foreign policy is really taking us or playing a huge role come 2016 as we're already seeing play out. republicans as toure mentioned across the board saying the deal is potentially one of the

greatest threats we face moving forward for this country. chris christie said in iowa friday night the single worst thing to come from the obama administration and he also is putting the resources towards an ad directed at this iran deal. take a lock look at that. >> this is a dangerous, dangerous world. this president is allowing iran a largest state sponsor of terror in the world to have a glide path to a nuclear weapon. a strong american military is not built to wage war. it is built to prevent war. i'm the only candidate been responsible for fighting terrorism and is prosecuted terrorists and put them in jail. if i become president, we'll protect the homeland, not lower the defenses against it. >> david, trying to wrap your head around the deal and what it means, you hear it's potentially biggest disaster or threat we face or a huge foreign policy achievement. is this how we should be having

this debate? >> heck no. that is very serious deal. it can change the balance of power in the middle east. it can change the nature of the threats we face. it can reduce them and enhance them and deserves a serious discussion of the provisions how to be enforced who's enforcing them and instead we have this ridiculous argument at the extremes where the only thing that seems to get people air time is hiberbole. you have mike huckabee with offensive comments about this leading to a holocaust-like situation. you have the administration saying the only alternative to this is war. and we could do better than both of those things. i think we need to sort of get to the substance because this really really is too high stakes a game to let it sort of descend into the political food fight we're used to. >> yeah. actually earlier today, hillary clinton responded to those, we'll call them inflammatory remarks from mike huckabee.

let's listen to this. >> comments like these are offensive and they have no place in our political dialogue. this kind of inflammatory rhetoric totally unacceptable. one can disagree with the particulars of the agreement to put a lid on the nuclear weapons program of iran. and that is fair game. but this steps over the line. >> hillary clinton hasn't completely embraced this deal but the political lines definitely seem to be drawn. what impact will the next president have on making this deal work? >> the next president really is going to have all the impact on this deal because frankly the deal's going to happen. it will get through the congress. the president will be able to veto any opposition to it. you know? sustain the veto if he needs to. so the real question is how does it get implemented?

that falls to the next president. they have to make sure that we are very watchful of the iranians. when there are steps across the lines outlined in the deal that there's real enforcement that the international community maintains the will to keep pressure on iran. and that we do what we need to do to offset iran's influence elsewhere in the region. so the current president and the current deal really teeing up a huge job of work for the next president whether it's democrat or a republican. >> and we know that often presidents when they feel unpopular they look to history. we were told that w. in the closing days of the administration saw himself as a truman-esque figure and looking forward to reassessment. do you think if this deal is done president obama ultimately seen by history in a much warmer light for his foreign policy achievements than he is today where it's considered divisive and yet from iran cuba closing the iraq war, getting bin laden,

there's a great deal of achievements? >> this is the best year of the president of foreign policy. this deal progress on cuba he's got upcoming paris talks regarding climate. he's got tpp moving through the congress. this is good work for him. but of course all of these things whether it's tpp or whether it's cuba thing or whether it's this iran deal all depend on how they turn out. if iran breaks the terms of the deal if the region gets more dangerous, if our allies are put more at risk in three, four five years people look back and history will change its view of obama. so he also has a lot riding on who becomes the next president. because they are really going to be responsible for his legacy to perhaps an even greater degree than he is. >> david, thank you very much for your time. >> thank you very much. up next t-minus ten days until the first republican debate. can't wait.

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pecans and other delicious nuts specially mixed for people with hearts. planters. nutrition starts with nut. what happens when a loud careharismatic maverick break it is rules of politics? not talking about donald trump but another name known as much for temperament as policies. south carolina's mark sanford known as a successful maverick force before he left the governor's mansion in 2009 for that secret trip to see his lover in argentina. sanford left politics and returning by winning a seat in congress and guest today barton swaim. >> thank you. >> he was in the eye of the storm and your new book "the speechwriter" with an inside account and lessons.

good day to you. start with the lessons. we see candidates out there challenged for their temperament or their wild statements some of which we have been covering today. based on your experience in politics handicap the temperament experience in 2016. >> well every candidate can either be too scripted or not scripted enough. that's not complicated. but the mistake a lot of them will end up making is trying to sound unscripted or sound authentic and when you try too hard to be authentic, the last thing you sound like is authentic. >> right. >> that's the problem. >> well barton i'm thinking this first debate is coming up august 6th so really coming down the pike here fast and the candidates are all starting debate prep and been doing it for a while now but there's a significant wrinkle in the debate prep for all but one candidate. let's take a look at that wrinkle. >> they're bringing drugs. they're bringing crime.

they're rapists. and some i assume are good people. he's a war hero because he was captured. i like people that weren't captured. i don't know fit's the right number. let's try it. 202. [ bleep ] [ bleep ]. i don't know maybe. it's three, four years ago. maybe it's an old number. >> how in the world do you prepare a candidate to go up against that man? you have no idea what he's going to do. he doesn't have any idea what he will do. >> that's right. >> one thing to do is not think about it too much. not to overthink it. i have to say the guy i worked for, mark sanford, a thing i liked about him and i think a lot of people liked about him, he might say something interesting at any moment which is a lot different from a lot of other politicians who tend to sound canned and too scripted. but it can get you in trouble because the -- sometimes when you are about to say something

crazy you just need to say the bland thing. mark sanford famously should have not said anything interesting at his famous press conference. just go with the bland, the canned answer. and then instead he said something highly interesting but i think most of these candidates if they just stick to their material, learn it really well so well they become very fluent they don't have to think about donald trump that much. and just let him do damage to himself. >> yeah. we are talking about working for candidates during at times some crazy and unpredictable moments. you have been in that position before. you were speaking about mark sanford. when you were working for him at the time he was governor. after the appalachian trail that was argentina with a woman that he fell in love with. and this speech when he came back after to his constituents we have a bit of that. let's play it. >> i've been unfaithful to my wife. i developed a relationship with

a -- we started out as a dear dear friend from argentina. from here recently over this last year it developed into something much more than that. and as a consequence, i hurt her. i hurt you all. i hurt my wife. i hurt my boys. i hurt friends like tom davis. i hurt a lot of different folks. and all i can say is that i apologize. >> barton i think we all remember that speech. unsure of just exactly what he was going to say. what was your reaction? you were working in his office when this all played out. what was your reaction when you figured out what was really going on and where do you begin to put a speech like that together? >> it was confusion and probably some anger. but occasionally, since leaving that job, i've been asked, you know, did you write that speech? you know hah hah.

that wasn't a speech. i don't think it was prepared by anybody. but mark sanford. and one of the fun yi things about my book at least i think it's funny, i was a speechwriter almost four years and he used hardly anything i ever wrote. that was -- that was certainly an example of that. i think that was more of scribbled note cards before -- >> you didn't give him any advice for that moment? >> i wasn't asked for any, no. >> so let's talk about some of the things you were able to get a hand on his words. because i remember when i was starting out as a writer i read shrunken white and talk about omit needless words be clear. but your direction from your education politics was go the opposite direction. you say, use the maximum number of words with the maximum number of legitimate interpretations. how do you do that? what does it even mean? >> okay. what i meant in that passage was

that i was just talking about the way politicians today are asked about so many things that they don't want to talk about, that they don't care about and they have no power over and usually in a situation like that what they want to do is to say something without sounding stupid. that's the goal. to get out of there and not really say anything. because you don't want to commit yourself to a course of action you know, two months from now when the circumstances change and you don't care about the issue anyway. you want to save the important language about things you care about. probably it's more instinct. you give some bland verbage and after people people hear it they think i think i understand that but i don't know what he said at all. mission accomplished. >> sounds like magic. thank you for joining us. something we are excited about around here. could man's best friend provide

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here is a simple math problem. two trains leave st. louis for albuquerque at the same time. same cargo, same size, same power. which one arrives first? hint: it's not the one on the left. the speedy guy on the right is part of an intelligent system that creates the optimal trip profile for all trains on the line. and the one on the left? uh, looks like it'll be counting cows for awhile. so maybe the same things aren't quite the same. ge software. get connected. get insights. get optimized. we are back now with a cycle exclusive. the american cancer society projects there will be more than a million and a half new cases just this year. more than half a million americans will die. but a groundbreaking new medical trial is hoping to reverse the

numbers and the brains behind the project believed it could start with man's best friend. the yale university school of medicine has teamed up with the veterinary cancer center of connecticut for a vaccine showing promise in fighting the most aggressive forms of canine cancer. the doctors leading the project join us now. thank you both for being with us. the team is very much looking forward to this segment. i have a golden retriever, a best friend in the world. a lot of us have dogs. how are the trials working so far? >> fantastic. early stage trials but working very well. there have been an unbelievable number of people who are interested in participating. the dogs are handling the therapy incredibly well. it is very exciting. >> talk to us more about what you are doing. how is it different than the trials in the past with dogs? >> this trial is unique a, it

doesn't involve chemotherapy. it involves the development of anti-bodies and mark has developed a unique way of making the body make its own anti- bodies and so it's a way to inexpensively treat dogs and hopefully people who have the therapy. >> mark, the hope here is people always joke, right, that pet owners look like their dogs but in this case you are hoping that there are a lot of similarities here. right? >> well absolutely. as the doctor mentioned, tumors are alluded to tumors are a poor target of natural immune response but they're susceptible to anti-body killing and the focus of this vaccine trial to get your own white blood cells to make antibodies against the tumor. early studies of the lab going on for, gosh better part of eight or ten years now and this

is a culmination, this is a product of many of those studies that we have been doing, early studies have appeared to be very successful successful and actually helping reduce tumor burden in laboratory animal models. >> and that can translate correct directly to humans from what you find. >> yes the project was designed to be translatable to humans and that is of course one position we hope to be at soon. and dr. post can address certainly canine cancers resemble human tumors very closely in progression, in genetics and many other ways. treatment as well. and in fact much of what we learned from this study will hopefully been directly translatable into humans. >> when you see this in a negative outcome you have a cancer or a tumor that spreads and metastasizes and people can

die. what is the positive outcome? what does the cure look like here? >> well that may vary of course, between tumor types. there are many flavors of cancers. and this particular vaccine is directed at breast and colon cancers and those tumor types have very specific proteins expressed on the cell. that is what we target. so that is what makes them unique. of course we hope for a regression or stability of tumor size at least. >> in plain english, do you have a situation where you have a dog that has a tumor and the tumor goes away? >> well. >> that is what we're hoping. >> yes. >> although mark is targeting breast and colon cancer it really doesn't make a difference what we call the cancer. it just makes a difference as far as what are genetic drivers of the cancer. so our hope is that yes, the tumors go away. but i would also say failure is a success in that knowing what doesn't work in the dog model

will also help guide human clinical trials much more effectively. >> to that point dr. post how far along are we in the canine clinical trials and how far are we from potentially seeing benefits for humans? >> canine clinical trials are under way currently. we're probably a quarter of the way to our target number already. as far as the human clinical trials i'll leave it to the other doctor to address that issue. >> hopefully we generate enthusiasm and momentum from this study to be in that phase of this work very soon i would hope the next year or two. human studies take on of course other complications that -- >> ethical or financial? >> both. you bring up financial. this one other benefit of this potential therapy is that it

probably will be -- it certainly will be much more economical than other forms of therapy for these cancers, at least in dogs. and certainly in humans as well. >> it is incredible what you are doing. i think anyways we can make improvement here is something to be celebrated. thank you both for being with us. up next the book you absolutely must read this summer. and is it "new york times" best seller list suggests he's on to something. american express for travel and entertainment worldwide. just show them this - the american express card.

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so just yesterday i finished "between the world and me" which is now number one on the "new

york times" hard cover best sellers list. and man was i blown away. it puts koet ss scoates into lofty company. a brilliant person who can write so beautifully and so powerfully and so intelligently about what it means to be black in america that that person becomes a sort of literary activist and public intellectual giving voice and perspective to the energy and of the movement they live within. 50 years ago the job was held by james baldwin. >> i don't know that white christians hate negros or not. but we have a christian church which is white and a chch church which is black. >> he was a genius and his spirit pugnacious and with a pen he was an artist. the job has also been filled by tony morrison. >> the people who do this thing,

who practice race. are berefed. there is something historic about the psyche. >> and i now i would move it is held by coates. >> race is the way someone whose employing racism justifies the pun. you are over here in a different box. there's no concept of race in america that is divorced from exercising power over other groups of people. >> the black lives matter era needs a writer who could make people think and coates's book is an unflinched memoir of the struggle to answer the question how do i loif free in this black body? his physical body is not fully under his control that the results of centuries of watching black bodies destroyed and subjugated and treat as if they have lesser value. much is about his college friend chris jones who was shot when he

was unarmed by undercover police officers. coates does not simply demand solutions from policing itself. he see it is bigger picture. he writes the truth is that the police reflect america and all of its will and fear. and whatever we might make of this country's criminal justice policy, it cannot be said that it was imposed by a repressive minority. the abuses that have followed from these policies the sprawling state, the random detention of black people. the torture of suspects are product of democratic will. so to challenge the police is to challenge the american people. at this moment of protest and a moment of cross roads for america we now have a book built for this moment. extraordinary book that is a must read for all americans. that does it for "the cycle." have a great die. thanks for watching "now" with alex wagner starts now.

>> 35 women speak out together about their allegations against bill cosby. rick perry is calling for more guns in more places following the louisiana movie theater shooting and donald trump is still running for president. >> this is become the summer of donald trump. >> ♪ >> you are looking for the trump slump? sorry, you are not going to get it. >> new polls showing why the republicans are correct to be concerned about trump. >> cementing his place at the head of the back. >> one poll after another. not only is he winning national. he's winning state by state by state. these are people who are fed up i with the political process who have ever reason to take a look at a guy like donald trump. >> a way to pass a protest vote to say hey i don't like my choices here. >> he's tapping into the anger the voters feel.