permission because her predecessors used personal e-mail accounts and ultimately she was preserving her e-mails every time she copied or forwarded to someone with a state.gov account. steve kornacki pressed joel bennettson earlier today. take a listen to this exchange. >> it's not unreasonable for a person to infer that this is an acceptable way to e-mail. >> here is it what is unique about what she did, not having the official state department -- official government e-mail. she set up her own private e-mail server with her husband that was stored in their home. no other secretary of state has done that. >> she didn't set it up with her husband, the server existed previously. >> nobody in the state department knew about this. >> understood. other people had servers probably less secure than that outside. >> reporter: the exchange there i think that's a preview of what we can anticipate the clinton

campaign will deal with for the remainder of this week. for her part secretary clinton will try to turn the page when she speaks to union workers and i anticipate she'll take sharp aim at donald trump for his controversial comments and the campaign has been hitting him hard for old tape in which he's essentially rooting for the housing crisis. secretary clinton fighting a battle in southern california, didn't need to win the state mathematically but she does want to win so she heads on solid ground. she's in a tight race with senator sanders leads by two points, 46 to 44%. one of top campaign officials telling me tomorrow they will start going up with ads here as they try to clinch this nomination and this state. jose, back to you. >> kristen, just a thought here and very interesting exchange there with steve kornacki this morning. one of the things that secretary clinton and her campaign is

saying, that her predecessors had done the same thing. so are we to infer that she had that -- she knew that her predecessors had done that? she had asked or somebody in the office asked is this something that others in the past have done? did she know that then? >> reporter: that is a critical part of their argument, jose, that yes, they are making the case that she knew that her predecessors had used private e-mail accounts and so she felt as though she was allowed to use a private e-mail account. i pressed one of her top aides on that point, isn't that to some extent a copout, to say they did, it was okay for me to do it? you heard steve make the case she was the only secretary of state to have a server operated out of her home. again, they go back to this argument that because her predecessors did it, she didn't think there was anything wrong with it. she's going to need to answer tough questions about this moving forward. we've tried to get answers to her yesterday at a campaign event in california. she didn't respond to our

questions. we're going to try again today in las vegas. >> that is an understatement. you do that very well every single day of your profession. >> thank you. >> kristen welker, always a pleasure to see you in las vegas, even though it looks like you're in niagara falls las vegas. hallie jackson is in billings. good morning to you. >> reporter: hi, jose, good morning. >> good to see you. we understand we got new reaction from trump on the clinton e-mail report? >> we sure did. donald trump communicating as he so often before events. crooked hillary clinton a disaster. when he started to go after clinton on this topic at his event in anaheim in southern california, that said, he didn't go after her as hard as some

folks thought he could have. instead, he slammed people like mitt romney hitting jeb bush, for example, some of his fellow republicans even as speaker paul ryan has called on trump to focus on party unity, we know ryan and trump had a phone conversation last night being characterized by sources familiar with it as a good conversation. and we expect to find out more from speaker ryan later this morning over in washington when he holds his weekly news conference with reporters. but when you talk about trump's response to clinton, this is something that we are likely to see in person again here today. not just in the rally in montana but perhaps a little bit in north dakota. he's going to be delivering an energy policy speech. i'm told by a high level source within the campaign, that there will be multiple endorsements at that event coming from unbound delegates in north dakota. that is something to watch today given how close donald trump is to officially locking up the number of delegates he needs to hit the magic number, 1237 for the republican nomination.

>> hallie, i want to play a little more from the president's remarks in japan. when he talked about how world leaders, he says, see trump and the presidential race. listen to this. >> it's fair to say that they are surprised by the republican nominee. they are not sure how seriously to take some of his pronouncements, but they are rattled by it. and for good reason. he does a lot of the proposals that he's made display either ignorance of world affairs or a cavalier attitude or uninterest in getting tweets and headlines instead of thinking through what it is is required to keep america safe and secure and prosperous and what's required

to keep the world on an even keel. >> the president in japan. what's the plan for how trump takes on the president in situations like this? is he going to engage like he's done with -- i don't know, martinez? >> reporter: it's highly unlikely. we know president obama is eager to campaign against donald trump. that probably won't happen until after the democratic nomination is officially locked up according to our sources in the white house but trump himself has been as you have seen unafraid to directly take on these democrats to take on rivals. you saw him do it with hillary clinton. you saw him do it this week with elizabeth warren who delivered some of the democrats' most biting attacks against donald trump. given that president obama is coming out about this, there's no reason to believe donald trump wouldn't go after the president particularly because that's throwing a lot of red meat to his supporters in places like billings where he'll speak to crowds in a little bit. >> hallie jackson in billings, great seeing you this morning.

let's turn to luke russert on capitol hill. luke, good morning to you. >> reporter: good morning, jose, how are you doing my friend? >> good. it's been two weeks since paul ryan met with donald trump and ryan speaking to the press 90 minutes from now. any news on this front do you think? >> reporter: as hallie mentioned, the call has been characterized as quote/unquote good, not much more than that, the call last night the first time they had spoken since the republican national committee a few weeks ago. paul ryan in conversations with reporters yesterday said, look, i'm trying to get to yes. we're working through our differences. we have a lot of different people who consider themselves conservatives and come at it from different angles and trying to unify all of these wings. the expectation on capitol hill is that paul ryan will get there at some point, but he needs to do two things. number one, he needs to preserve his own political future by perhaps not embracing donald trump too much if he ever has

future presidential aspirations but number two, it's getting to know trump and getting some sort of extraction, something he can bring back to his house gop conference and other people who say look, i as speaker of the house got donald trump to agree to x, y, z, et cetera. the trump caucus, those members who support donald trump, they had a meeting this morning on capitol hill with the trump campaign. they said a lot of policy donald trump is working on will come from capitol hill and that donald trump himself understands that he now has to study up on policy as one member who came out of that meeting said that donald trump doesn't know everything about something as complex as a fiduciary role but now has to study up. we'll see if he does that type of studying. one little last bit of color on

that, when members came out of the meeting today, a lot had stacks of those make america great again hats. if they go around the capitol sean hands out the hats, it helps recruit new members to the trump cause. not everyone has endorsed trump just yet. maybe if they get a free hat they'll do it. shows where politics are, jose. >> thanks, man, good to see you. also happening, day two of the house homeland security hearings into the extremely long security line at airports around the country causing headaches for travelers everywhere. the man who runs the tsa in the hot seat yesterday with lawmakers throwing tough questions at him. long security lines resulted in tens and thousands of passengers missing their flights. neffenger spoke to matt and avanna on "today." >> we're going to see record travel volume again, on track to screen 100 million more than we did in 2013. with that said, we put a lots of

measures in place and focusing on -- the problem most airports are pretty good. it's the top 20 where you see the biggest challenge. i hope you'll see long lines but you'll move efficiently through the system. >> nbc's kerry sanders in atlanta and we start in washington, d.c. with tom costello who covers aviation for nbc. day two of congressional hearings, the airlines and airports speaking about the long tsa lines now? >> yeah, really, just kind of repeating the frustration that they have on dealing with this on a day by day basis. most telling number coming from american airlines which says it itself, one airline, american, has already seen 70,000 miss their flights this year. one airline, you can imagine how that ripples across the entire airline industry. at the same time the tsa admits it is dealing with 100 million more passengers than a few years

ago and it's about 5,000 to 6,000 tsos, transportation security officers short, compared to where it should be. the tsa administrator on the "today" show this morning told matt and savannah they are making progress but it is slow going. >> what i'm focused on is getting people moving efficiently through. i think if they can help us enforce the one plus one rule that's very important. if you can reduce pressure at the check points -- >> with all due respect, if they drop first bag fees, would the lines get shorter? >> i don't know there's a direct correlation but there is a correlation people carrying prohibited items and slowing down checkpoint. >> that's kind of critical, he's talking about not only liquids and gels but people are still trying to smuggle through record numbers of weapons. usually that's a mistake, they forget they have a hand gun in a hand bag. record numbers of those slows down check pointsz but that's not the bottom line cause of the delays.

they simply don't have enough staffers and there's a whole lot of reasons for that. they don't have -- they've had too many part-timers, quitting because they are frustrating with not getting full-time and upset with the monotony with the job and stress of the job. they are hearing backlash from customers and in addition you have this record number of people coming through and they simply don't have enough people in position to deal with that. enough tsos in position to deal with it. it is likely to be a long different summer ahead, jose. that said, i'll tell you that this week so far this week, we're in the most airports around the country are saying things are better this week, lines are not nearly as long as they had been in the last few weeks. back to you. >> tom, that would mean that -- and you were telling us yesterday that officials are saying that really you may have to do two or three hours before your flight is scheduled to depart at the airport. so if it's getting better, it's going to be two hours, instead

of three? >> this week, i hasten to underscore, this may not be an indicator of what's coming but this week we're talking about 20, 25, 30 minutes on average what we're hearing at the major airports around the country. for the most part the airports affected are the top 20 airports. you can figure that's everything from atlanta, to seattle to denver, jfk and dallas sean chicago, et cetera. the big airports around the country, those are most affected by the tsa mess. >> tom costello, always a pleasure, thank you for being with me this morning. let's go live to kerry sanders in atlanta's international airport, the busiest. kerry, good morning. the airport there just unveiling new technology to speed up the process there? >> reporter: indeed. the busiest airport, 267,000 plus passengers a day. right now you can see the line is moving actually very well but the question is beyond the personnel is there a solution that maybe is one of technology? you're probably familiar with

this if you fly. this is the bin where then you sometimes take your luggage or items and put it in there. you can see it consumes the whole thing. the new technology, first, it's this, it's a larger bin, that seems pretty simple. in fact this bin could fit in there and have extra room but there's also an rfid, little radio frequency that goes out and now this goes into the machine and then it automatically goes down. let's take a look at the pictures as i explain to you what's happening here. it's going down a track and as it goes into the x-ray machine, as you know normally if there's an issue there somebody has to come around and pull it out. now with this new machine, it actually takes a right turn. there's say little diverter and takes it on another path. now it's traveling down the other path and directly to the tsa agent who will look inside to see what it is that caused the problem to begin with. and that's important because there's so much time involved as

they've calculated where somebody has to come over, get it, take it to the x-ray machine again and do a whole bunch of second checks. the line is moving well but don't be deceived by all of this. it's the time of day. they do know there's a lot of people who have been frustrated by these lines. american airlines reported there were 70,000 people who missed flights so far this year as a result of the lines and so, delta has actually gifted this new technology to the atlanta airport and the airport has responded by also trying to help passengers get through this time period by hiring musicians here to play a little bit of music and soothe the savage beasts. >> great. >> reporter: our musician this morning is playing something that will make people feel a little bit better. i think that might be ipanema, i'm not sure. passengers are making their way through here. we're going to check something out. you asked the question, should they get there two hours, three

hours early? let's find out how long it's been that their flight is going to take off. ma'am, are you one hours, two hours, three hours early? >> 1:00. i'm three hours early. >> reporter: three hours early. some passengers are actually listening to the advice and of course for her not much of a wait because the lines are moving very quickly. >> in this live shot, you have done so much and you have explained so many things and brought in the girl from ipanema, and this is an incredible live shot. let me ask you about the beginning of that live shot when you have those bins. is that going to be throughout the entire airport? it reminds me of what you see in heath row where everything is on these tracks and huge bins are on tracks. is this something permanent throughout the airport? >> reporter: it's in certain locations at this airport. they closed down one of the areas where the tsa line was for two weeks to install this. it cost like more than a million dollars to do this. you're absolutely correct. this is borrowed technology from

europe. it's used in heathrow as you pointed out and also used in amsterdam. i've seen it myself in amsterdam and the good thing about this, we travel for our jobs but the good thing about this, there's a very little learning curve. you walk up, you put it on there. you step back and it goes off on its way. so that helps things out at least getting things moving. >> from the girl of ipamena and kerry sanders all in one live shot. thank you. threatening storms spark multiple tornadoes destroying as much as as 25 homes, 28 million people under severe weather watch. more severe weather is expected to sweep across the entire region today. we'll check in with gabe gutierrez in kansas after the break. and so... my new packing robot will make jet warehouses even more efficient... and save shoppers money.

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today people in the great plains are picking up the pieces after severe weather raged through multiple states. it may not be over yet. take a look at this tornado. gabe gutierrez is in abilene kansas for the latest on this. >> reporter: good morning. this slow moving tornado made ilts way through this area. it was on ground for more than an hour. it was barreling down towards the small town of chatman which had already been devastated in 2008 by another twister. this time though the tornado veered to the south and managed to miss the town but debris was pretty much strewn throughout the county. residents are describing terrifying moments. >> this morning more communities are assessing the damage after a monster tornado. >> big tornado. big tornado. >> reporter: the national weather service calling this a

potentially kcatastrophic at which time are, half mile wide barely missing the small town of chapman but leaving a dael of destruction. damaging at least 15 homes. >> that's a barn sitting in the road. >> reporter: sheer power lifting entire structures. there have been 55 tornado over the past 48 hours. near dodge city, this twister obliterated homes. >> reporter: families in oklahoma are also picking up the pieces. beth roberts rushed into her cellar with moments to spare. >> if you waited a few more minutes. >> we would have been sucked out that window. >> the severe weather blamed for one death in oklahoma. leslie kemp barely survived with

her 2-year-old. >> trees were starting to fall around the house so i grabbed my son and we got in the inner part of the house and rode out the tornado rmt the heartland bracing for the potential for severe weather again. remarkably after this tornado, no injuries or deaths have been reported but jose, as we mentioned, folks here in kansas and other states like nebraska, are also facing the possibility of more severe weather later today. jose? >> gabe gutierrez, thank you very much. coming up, more on hillary clinton's e-mail scandal as it comes back to haunt her once again. >> this was fully above board. people knew i was using a personal e-mail. i did it for convenience. i sent e-mails that i thought were work related to people's.gov accounts. >> she said it was on a level but an independent investigator says she broke federal rules.

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click to activate your within. ask your doctor about once-weekly trulicity. the clinton campaign insists hillary clinton did not violate guidelines by issuing a private e-mail server despite an support from the inspector general. secretary clinton said i have quote turned over all my e-mails. been ib kredably open about do that and will continue to be open. it's not an issue that will affect either the campaign or my presidency. i'm joined now by joel ruben, former deputy assistant secretary of state to john kerry. good to see you, sir. >> good morning, jose. >> let me put up the key findings in this inspector general report. there is no evidence clinton requested or obtained permission to use a private server and the report says clinton violated federal rules by not turning

over all official e-mails before she left office and the reports also reveal that clinton knew as early as 2010 that her e-mails were not all safe. for the record, how serious is this? >> well, what this inspector general report does really show is that this is a nonscandal. what we're talking about here are process files that have been identified and rectified. the record has eight core recommendations and state department inspected all of them and they went back and look what the former secretary provided and said she's complied. it really to go back to the 1980s we're talking about donald trump, where's the beef? there is no beef. this is all grown oust benghazi investigation and they are still looking. really we're now in the sense looking at american bureaucracy in action. for the american people this must be pretty tiring. >> tieing in the benghazi investigation on capitol hill with an ig report from within

the state department which last i checked for last seven and a half years has not been in republican hands. when they say there was a violation of federal rules, you don't think that's in any way significant? >> the significance is in whether or not the rules violation has been dealt with and it has been dealt with and it was a very murky period. >> how was it dealt with? >> throughout the past several administrations, secretary powell, for example has not turned over e-mails he was asked for. the reason i bring up benghazi, because a year and a half ago roughly, i testified to the committee and at the committee i did publicly state that those e-mails were in the process of being gathered. so this is not something that has been hidden. it has been dealt with, state department as an institution is very broad. it has 70,000 employees, 270 facilities around the world. and it's complex. so they are dealing with it and secretary kerry is agreeing with the reports recommendations.

>> how has it been dealt with since this investigation started? what has happened in the state department specifically has anything changed? has anybody been reprimanded? what has happened? >> well, what you see now are the investments in the systems that need to be taking place. the bureaus that govern e-mail management, documents management, administration bureau, management bureau, they have been tasked with developing plans the inspector general will sign off on. it's not to say there aren't problems. nun who served in the government or state department understands how complicated e-mail systems are and records retention is. it is crucial. but harken back to the fact this has been evolving and reports states that as well. the state department under secretary kerry accepted these recommendations. hopefully it will go forward in a way that's very clear. the rules of the road going forward. this type of investigation brings out that clarity.

>> joel, at the state department, when you were there, did you use a personal e-mail account to do any kind of government business or communication? >> i was serving under secretary kerry and used the government e-mail. it was at my desk and i had multiple government e-mail activities i was engaged in and i'm glad that i did and glad that the people in the department do but it's not to say there haven't been issues in the past throughout in the ig -- inspector general's report did point that out. it's crucial that over time the american people do have confidence but clearly what secretary clinton provided in retroto the request has been what she had and that should close the book on this discussion. >> thank you for being with me. appreciate your time. >> thank you, jose. >> i want to bring in political analyst elise jordan, former adviser to rand paul and political reporter eduardo

keefe. do you think it's having an impact or not? >> you look at the polling that suggests americans have questions about her character and judgment and her favorable rate sg under water still. all of that speaks to broader concerns about this and all sorts of other things that have gone on in her past. i was just kind of struck there by joel's comment that this whole e-mail thing, i think he used the word, processed foul, this dismissive, nothing to see here attitude. there's a good percentage of voters in this country who do take issue with it. they may not be concerned specifically about e-mail but they are concerned about questions of judgment. she apologized for it -- >> ed, why is it important? why? >> because it speaks to issues of her character and judgment,

which remain a concern to a lot of voters, including democratic voters who support bernie sanders or going to support her but not do it enthusiastically. i think they have to be happy this happened before memorial day. the investigation hasn't finished up and it will linger for quite some time and continue to dog her throughout the rest of the campaign. >> i want to play part of what president obama said about the democratic race while in japan today. listen to this. >> i guarantee you that the vul nominee sure wishes it was over now. this is a grind. it's hard. and in some ways one of the things i've always found is that it's a lot more grainy arguing against your friends than it is arguing against your political opponents. >> do you think this democratic race can still end without permanent bad feelings on behalf

of the two candidates? >> i think president obama was being a little generous in calling bernie sandsers and hillary clinton friends at this stage of the game. there has been genuine animosity built up between the two, especially with bernie sanders and his feelings towards hillary clinton. i think the difference is hillary clinton in '08 was concerned with her political future. bernie sanders isn't necessarily operating by the same play book. thinking about his movement and revolution. i think it's a much trickier process to get him to go quietly into the night. >> true, but after california and now it looks as though those polls seems to be closing up, even though i've seen recently that hillary clinton seems to be doing very well in california. let's say california is indeed the d-day, deciding day. going forward, bernie sanders if he doesn't get the number that he needs and she does will have to deal with reality, right?

>> he already should be dealing with reality now. hillary clinton has beat him by about a million votes at this point. she has -- there's a lead. it's insurmountable for bernie sanders at this stage in the game. i don't even look at california. why is this attitude necessarily going to change when right now he's being somewhat delusional what the prospects are and telling supporters he still has a chance at the nomination. >> ed, you just put out a statement on growing concerns that the violence in recent trump rallies will cause problems in cleveland. tell me about your story today. >> we went out there to sort of assess how the city is preparing and they are very excited about this. working on it two years. city officials announced the routes per parades and protests and restrictions where groups can demonstrate. they are not happy about it. the police force insists that they are on top of things and they'll be ready for it but there are a lot of local activists who track these things more closely and concerned that the city may be in over its head in the chaos we saw this week in

in albuquerque shows up in cleveland. they'll get assistance but if you see this kind of thing night after night after night all day long in addition to having a secure convention site, you can see the strain it could put on the city as it hosts the convention. >> ed o'keefe, elise jordan, thanks for being with me. >> take care. >> coming up, bernie sanders donald trump debate? before anyone clinchs the nomination? can you imagine that? plus, president obama school bathroom policy is under fire. 11 states joining together suing the administration. the very latest on that ahead.

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♪ everything your family touches sticks with them. make sure the germs they bring home don't stick around. use clorox disinfecting products. because no one kills germs better than clorox. the debate over debates is not over. could we see a one on one faceoff between donald trump and

bernie sanders before the california primary on june 7th? hillary clinton backed out of a debate with sanders and officials from both the trump and sanders camps tell us no conversations are under way to get anything on the calendar but trump says he's open to the idea. >> here's the question from bernie, he asks, hillary clinton backed out -- hillary clinton backed out of an agreement to debate me in california before the june 7th primary. are you prepared to debate the major issues facing our largest state and the country before the california primary, yes or no? he wants to know if you will debate them. >> yes, i am, how much is he going to pay me? >> you would do it for a price? if i debated him, we would have such high ratings and i think i should give -- take that money and give it to some worthy charity. >> nbc senior political editor mark murray joins me this morning. good morning. >> hey. >> is this going to happen or just a publicity stunt? >> i think really one way to

interpret what donald trump was saying almost in a joke sense. in our nbc's hallie jackson ends up reporting there have been no discussions between the trump and sanders campaign about any type of debate. even the trump campaign from senior sources say that the debate would be very unlikely, however, there is an incentive for both donald trump and sanders. he's trailing in pledged delegates and overall delegates to hillary clinton, the likely nominee. this would elevate him before the california primary and actually could potentially end up helping donald trump because he could end up whacking hillary clinton and bernie sanders might not rush to her defense. so you might see some potential self-interest but one other factor while you might not have a debate here, he is trying to fund raise and get his campaign up and running and get ready for a general election. having a debate takes a lot of

prep time. it isn't easy to show up when republicans have been debating republicans and democrats have been debating democrats and it could take some time and preparation. >> and can you imagine the ratings on that debate though? >> yeah -- >> you know -- >> it certainly be an entertaining spectacle. you would have bernie sanders supporters wanting to tune in and political reporters and junkkys like ourselves tuning in but it's striking this 2016 campaign season also puts an exclamgation point. we had ted cruz announce his vice presidential pick and then maybe we might have a bernie sanders versus donald trump, even though bernie sanders is in second place in the democratic race. >> talk about the latest in california, how does that look in the state for democrats? >> jose, there's a new poll out today that actually shows a

competitive race. hillary clinton leading bernie sanders by two points. it's just one poll. the other polls we've seen have hillary clinton up a little more than that. what i can guarantee we'll see many polls into the june 7th contest. >> do you see, is that a movement, is this two-point closeness movement or a one-off poll? >> in this particular poll, there was movement, bernie sanders had -- hillary clinton had a -- now it's two points. we'll see to see what others end p showing. it is worth noting that bernie sandsers, to be able to overtake hillary clinton in pledged delegates, doesn't need to beat hillary clinton in california, but 80-20 margin, which is very difficult under the proportional allocation rules under the democratic race. >> thank you for being with me. always a pleasure to see you, my friend. >> 11 states have now filed a lawsuit against the obama

administration over its transgender policy regarding school bathrooms. georgia is one of the states involved in the lawsuit. that's where tony is this morning. >> reporter: good morning, jose, this is a fight playing out on two levels, the first is legal and idealogical and other is social and more cultural. in the 11 states, the claim is obama is acting did torially and declaring a civil right where none exists but the long-term conversation is happening in communities like this of whose rights matter most? those of transgender people who want to use the bathroom that corresponds to their internal sense of gender or those who feel their rights would be violated if someone is male or female of the opposite sex. we talked to people on both sides. the first is a mother who had a child with a trans person and second is a vietnam vet who had

his mother in mind. >> i can understand, i really can that they feel like their privacy is being invaded but something that that person has to understand is yes, they are born with the opposite makeup -- they are still a woman on the inside. >> reporter: what's on the inside matters more than the outside? >> absolutely. i feel like who you are on the inside should be more respected than who you are on the outside. >> my mother walked into a restroom in a restaurant and this guy 6 foot 6 with a wig on and mini skirt walks in behind her. i'm going in after him. >> reporter: how come? >> how come? because he's not a woman. i don't care what he thinks he is. >> reporter: what do you think he'll do in that bathroom with your mother? >> for the sake it's her

privacy. her privacy. she doesn't look at him as a woman, doesn't mean she's a bad person. >> reporter: jose, in person those two perspectives is a gulf of confusion and misunderstanding and a.m. bifl ens, when we asked registered voters almost a third had no opinion. that's a key sign that this debate has just debate and there's a vast portion of the population still in the middle and doesn't know which side they are going to break. >> ahead, president obama in japan just one day before his historic visit to hiroshima. we'll preview his trip as the first sitting president to visit the world war ii memorial site after the break. it takes a lot of work... to run this business. but i really love it. i'm on the move all day long... and sometimes, i just don't eat the way i should. so i drink boost® to get the nutrition that i'm missing. boost complete nutritional drink has 26 essential vitamins and minerals,

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legalzoom has your back. for your business, our trusted network of attorneys has provided guidance to over 100,000 people just like you. visit legalzoom today. the legal help you can count on. legalzoom. legal help is here. tomorrow president obama will be making history as he will be the first sitting u.s. president to visit hiroshima since the united states dropped an atomic bomb over 70 years

ago. ron allen is traveling with the president. >> reporter: the president's trip is something he wanted to do since he was first elected back in 2008. no the time is right in the his last year in office. he said he's going to honor victims of war and talk about the horrors of nuclear weapons but not going to apologize nor revisit the decision to drop the decision to drop the nuclear weapon. he's going to look forward. he'll spends a very little bit of time and reflect on things that happened. he's not going to make a major speech. he's going to try to talk about nuclear threats out there now in the world like north korea. he's also going to renew his call for war without nuclear weapons, something he first called for in 2009 and he would adds met that is a goal that has not been achieved. there are mixed reviews how effective the administration has been towards achieving that goal. on the one hand the president points out there's a major nuclear deal with iran.

there have been nuclear security talks and summits over the years. there was a treaty that reduced weapons with russia early in the term. there's a multibillion dollar program under way to modernize america's nuclear weapons arsenal which suggests it's going to be around for some time. the trip to hiroshima tomorrow, a big historic marker, president obama the first sitting president to go since america dropp dropped a weapon. >> thank you very much. appreciate that. check out this dramatic video showing italy's mount etna, spewing lava into the night this week it can erupt several times a year but the last major eruption in 1992. take a look at that. from a distance it looks nice, doesn't it? from a distance. if you're going to make a statement... make sure it's an intelligent one. ♪

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breaking news, nbc news

confirms donald trump has reached 1,237, the number of delegates needed to clinch the republican nomination for president. after getting confirmation of news unbound delegates in north dakota and colorado and pennsylvania nbc has updated the delegate count. so that's the very latest. right now he's still the presumptive nominee, not officially the nominee until he accepts the nomination in cleveland in july but right now he does have that 1,237 threshold past. that wraps this hour, thank you for the privilege of your time. peter alexander picks up our coverage from washington next. see you tomorrow. or, "i'm hungry." what if your body said something else might be wrong? gynecologic cancers - cervical, ovarian and uterine cancers - have symptoms. so pay attention. if your body says something may be wrong.... please listen if it goes on for two weeks,

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make sure the germs they bring home don't stick around. use clorox disinfecting products. because no one kills germs better than clorox. thope to see you again soon.. whoa, whoa, i got this. just gotta get the check. almost there. i can't reach it. if you have alligator arms, you avoid picking up the check. what? it's what you do. i got this. thanks, dennis! if you want to save fifteen percent or more on car insurance, you switch to geico. growwwlph. it's what you do. oh that is good crispy duck. good day, everyone, i'm peter alexander coming to you live from washington, d.c. we begin with breaking news, our nbc news decision desk has confirmed that donald trump has reached the number of delegates

needed to clinch the republican nomination for president. this comes after new confirmation today that he secured unbound delegates in states like north dakota, colorado and pennsylvania. and nbc's senior political editor mark murray tallies the numbers for us and live in washington, d.c. right now. so this was a foregone conclusion but it's still a significant milestone for a candidate that as he came down the escalator nobody thought would be in this position. >> that's right, peter. what this means is that donald trump ends up having a majority of all of the republican delegates who will be attending the republican convention in july in cleveland. now, of course, we in our network have already deemed donald trump the presumptive nominee and the reasoning behind that was that everyone else dropped out of the contest. there really wasn't anyone who else could compete against him. so we had already called him the presumptive nominee. what today marks is him crossing that 1,237 number.

the majority of delegates needed to get there. going into today, peter, our count had donald trump at 1,211, about 26 short. but what ended up happening the unbound delegates, particularly in north dakota ended up endorsing donald trump. many had been backing ted cruz initially and changed their support. one way to think of unbound delegates, they are like superdelegates on the democratic side. what happened today the republican superdelegates that we call them or unpledged delegates ended up breaking for donald trump and made him cross that magic number. >> long ago we anticipated this was going to be a contentious contested convention in cleveland, ohio, john kasich, ted cruz, the two last men standing besides donald trump wanted to hold on to delegates to give them additional clout, they are still holding on. is there any drama still to anticipate in terms of the fo