news hello everyone. >> thanks for joining me. i'm alison camera was triggered with less than four minutes until launch. the computer that launches the rocket stop the countdown clock now officials are racing to learn why both astronauts are now back at crew quarters after leaving the capsule, a short time ago joining us now from the kennedy space center is cnn space and defense correspondent kristin fisher so kristinn obviously this is not the news that nasa or boeing wanted today. what happened? >> we just don't know yet and we're going to find out hopefully quite a bit more during a press conference that nasa, boeing, and the united launch alliance have called, which is set to start in exactly one hour. now, all we know right now is that there was an issue with the ground launch sequencer and that is the computer that's responsible for launching this rocket. it's essentially an automated process. once you get down that close to lift off and there was some kind of problem with it. we just got a new line here that i'm reading through and dissecting for further meaning. >> nasa says the system was it's unsuccessful in verifying the sequencers necessary redundancies. so hopefully we'll learn a bit more about what that means at this 3pm presser, but it sounds like this was not a nasa issue. sounds like it was not a boeing issue. sounds like it it wasn't even an issue with the weather. most likely it was united launch alliance issue that's an important distinction given all the scrutiny that's been facing boeing leading up to this launch for those that don't know, this is the vehicle that was supposed to be launching today this tiny capsule on top that's all bowing is responsible for the united of the boeing starliner spacecraft. this is the atlas rocket get, which propels the starliner spacecraft into space. it's operated by the united launch alliance, which is all to why they're responsible for this ground launch sequencer, which is where problem was today. but yes, alice and definitely a bit of a bummer for boeing, nasa, the astronauts that were inside every buddy involved. but really important to remember that scrubs are so common in space i can't tell you how many launches i've been to that our scrubs especially for a first crewed test flight, the mantra at nasa is we don't. launch until we're ready. and so this is fairly routine. i'm sad to say. >> but what does not underscore or undermine all the many issues and challenges that boeing has faced leading up to this moment. >> it had so many technical issues and so many engines nearing problems with this spacecraft, so much so that it's competitors, spacex, has been able to launch 13 crewed missions to the outer space in that four-year span that boeing hasn't been able to fly. so the pressure really on boeing to prove that it's spacecraft can finally fly in space and carry astronauts on board for the very first time. but alison today just was not their day. and so when will the next attempt by could be as soon as tomorrow at noon we should find that out at this press conference in one hour. if not, then then they have next back the next backup launch attempts, our next week, june 5 and june 6. so hopefully we'll learn more in one hour. alyson. >> okay. keep us posted, kristen, thanks so much for being there on the ground. all right. now, to a key security summit, we'd significant implications for ukraine president volodymyr zelenskyy is there. he is scheduled to meet with us defense secretary lloyd austin to talk about us support of ukraine and its fight against russia soon as natasha birch on has more on what happened at the summit today. >> secretary austin, address the shangri-la forum here in singapore earlier today in a major speech that focus on the idea of convergence of the united states and its indo-pacific allies. >> here in favor of security and the rule of law, thinly veiled message to china, which of course the united states has accused of flouting international a lot, especially when it comes to freedom of navigation in the season, in the air. now, secretary austin also emphasized the importance though, of military-to-military communications with the chinese remaining ongoing saying that that is what responsible nations do. and there's no substitute so that kind of direct dialogue between the us and they're chinese counterparts to that end, the secretary did in fact meet face-to-face. just the other day with his chinese counterpart for the first time since 2022. and importantly, secretary austin reiterated to the chinese that there are going to be consequences not only for their actions since potentially in the south china sea and in the region around taiwan, but also for their support and their ongoing support for russia's defense sector and how that is fueling the war in ukraine, secretary austin said that if if china continues provide that kind of support for the russians than the us and its allies will be forced to take further measures. now, that is undoubtedly going to be on the agenda for secretary austin's meeting with a surprise guest here at the shangri-la forum, which is president zelenskyy of ukraine. he showed up earlier on saturday night. and he's expected to meet on sunday with secretary austin alongside his defense minister umerov. there are expected to talk about the battlefield situation in ukraine, as well as what ukraine needs to defend itself against the russians right now and so expect that meeting to be very significant, of course, for austin and for the ukrainian leader here at a moment when the chinese of course are here as well, and they've continued a to provide very significant support for russia's defense sector. natasha bertrand, cnn in singapore okay, let's bring in retired us army lieutenant colonel alexander vindman, who served as a top ukraine expert on the national security council accrual. >> thanks so much for being here. so what's the most urgent thing? but ukrainian president zelenskyy and defense secretary austin need to discuss tomorrow i think the factors that were are the west and the us haven't necessarily played the same role in terms of fulsome support to you ukraine that you now see you kind of china orienting are trying to really fundamentally a floating the russian war economy we, were where more iterative, we had a long suspension in terms of our military support. >> that was a six-month gap in which the ukrainians had to do more on their own. the european stepped up in a big way. i think the biggest thing is, do we make that final commitment for ukraine to win? that's still yet unclear i do appreciate secretary austin using the word convergence of our allies in the pacific that is a very powerful notion. it's a debate amongst policymakers and strategist whether we recognize that the authoritarian world, whether the china's and rushes and arounds of the world in north korea's of the world, that they're converging just the democracy democratic world converge in the same way to secure our own interests. ukraine being one of the most important and the currently the principal battlefield so kernel, what about this new policy allowing ukraine to carry out limited strikes within russia using us weapons. >> would that make a difference in the war efforts? >> it is significant change. the fact is that for a long time, i would argue for probably the past 30 years, we've been highly deferential to russia seeking in all cases to avoid any real significant risks on the fear of escalation, devolution in the relationship this is this is a meaningful change in that we're not allowing that kind of same mentality to creep in in the same way. it's still quite limited. its are oriented around a specific region, around kharkiv are round brushes, ability to use offensive forces artillery strikes from across the border it is not the typical standard fare of we provide military resources toward an ally. and then they're entirely unencumbered and defending themselves. >> we don't restrict in the same way. >> if this was another country, would, we would not see any of these types of scripts frictions on striking cross into the aggressor state's territory. but this is meaningful. this is a shift in the right direction. it is likely to be a test if the administration and the west don't see a significant blowback, which i wouldn't expect any significant blowback from the reference i think that would enable a broader approach to reducing these constraints on how the ukrainians defend themselves. >> so it's an important step but it's still a toe in the water. >> but why wouldn't rush or retaliate against the us? >> because the us is a code belligerent. we provide imagine a scenario in which throughout decades, we're talking about throughout the entirety of the cold war, you would see russian weapons employed or soviet weapons deployed in every corner of the world to attack us interests it was russian weaponry that was present in vietnam. it was russian weaponry that was present in korea the russians were supporting the taliban in afghanistan wars recent wars. >> we did not consider the russians as co belligerents because they were providing resources the same way that the russians don't consider us as code belligerence in providing resources it's really the rules of the game that is not we're not directly involved in the war, were supporting a sovereign independent state operating under the un charter defending itself. >> and they could they could either buy or obtain weaponry from where they want. and that doesn't make the provisioning state a one of the combatants. it's just that simple you were in ukraine in april. >> so how are things different now, than when the war began? >> so it's quite different even now than it was in april in certain regards because i was there just at the tail end right before we pass the ukraine aid bill. and i'd say morale was really quite low. >> the ukrainians were seeing pressure from russia and a bunch of different places especially in the donbass they, they, they're worn out in a lot of ways because they don't have enough combat troops. >> there are ukrainians hadn't mobilized, are still haven't mobilized sufficient force is to start rotating folks off of the front lines, giving them a break but now what's significantly changes that we pass 61 $61,000,000,000. ukraine in assistance package the europeans continue to step up. that weaponry has reached the front lines. you could see that in the way that the ukrainians are more effectively repelling russian forces around kharkiv. and i think that i am pretty optimistic that the russians will likely make some additional gains meters, kilometers, but they're not gonna do anything substantial. the not going to change the orientation of this war over the next several months. and the senior policymakers are taught to ukraine. when i was there, we're concerned about june and july russian offensive and whether they're forces could whether i think that that's going to be that's going to turn out. okay. there'll be small setbacks and in the meantime, the ukrainians are going to build resources for a counter counterpunch. probably not this year, but next year, they'll whether the russian attacks and then start building towards next year and an offensive the tenant colonel alexander vindman, thank you for all the information. great to have you thank you for president. >> trump promises to appeal his felony conviction and many legal minds say he has a good chance. we'll dig into that and more happy to bring russia is, we're trying to spy on us we were spying on them i was hadi friday this is the secret was secrets and spies, a nuclear games premiers tomorrow at ten on cnn ai is redefining work artificial intelligence is supercharging our own human intelligence. and that's what we'll loop business forward. machine learning, robotics, and generative ai are increasing productivity, accelerating 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good case on appeal. >> i mean, there are some issues that i think are live issues on appeal that are litigate goal and that could at the end of the day break his way, including, i think most notably, as i see it, the importation of federal campaign finance law into a state prosecution about falsifying business records was this is legitimately unique and it is something that i think some courts might be interested in taking a closer look at. >> professor, do you agree i actually agree. >> and i don't think it's very easy to win on appeal, particularly in new york, there are two levels of review. and then if trump loses at both of them levels, he would try to bring the supreme court into it and in order for the supreme court to really take cert on this case and listen to it. they would have to be a federal a federal issue that they would be interested in. and very rarely will the supreme court take a state criminal k but professor, just so i understand, you think he does have a case that there were fundamental flaws in other words, in the prosecution of this case, or at least in the charging the predicate for charging. but you don't necessarily think that the new york appeals court will take it up. is that your position? >> well, the new york appeals court we'll take it up. i'm not sure the supreme court will take it up. and i think he has an argument to make, but i think judge, when sean was very careful in his jury instructions, there are also some waiver issues as well, and he followed what the new york state law was in putting together as jury instructions. and i think the argument will be on unanimity. and also the use of the federal law and whether the federal law could be used in the state case but it's not clear that the supreme court would even listen to this akre show, you know, what, president trump's former president trump's supporters say, and we're railing about yesterday is just what you both have touched on. the charges, particularly the felony charges, are are so unique as to be rendered kind of custom made for him. basically, that the falsification of business records is a misdemeanor manner in new york, unless it's attached to as i understand it, another crime or a felony, but that other crime of violet in new york election law is also a misdemeanor and so isn't that something that the appeals court would find sketchy somehow? >> i do think the overall architecture of the case are as you laid it out, would attract their attention. i don't know if it is not sketchy per say. i mean, they're going to need something to really potently potently argued front of the court because it is true that this is a unique case, but unique case does not necessarily mean it's a bad adwan or that, that'll be overturned there are novel fact patterns that require novel charging theories. now, there's a whole debate. obviously, that about whether or not this case should have been brought. but i want to set that to the side for these purposes because now the case has been