i'm david culver. we start you off with news out of the white house which says that jill biden has tested positive for covid-19. the first lady spokesperson adding that she is currently experiencing only mild symptoms she will remain at their home in rehoboth beach. the president tested negative. and mr. biden who is 80 will be tested regularly this week and monitored for symptoms. u.s. officials say north korean leader kim jung-un expected to meet face-to-face with vladimir putin to discuss possibly selling weapons to help russia in its war in ukraine. you are looking at footage from previous meetings they have had. a national security council spokesperson urged pyongyang to cease arms talks and stick to its promises not to sell arms to russia. kristie lu stout is live in hong kong this morning. good to see you. so do we have a sense of when or where this in-person meeting between kim and putin might actually take place? >> reporter: we do. according to reports it could take place sometime this month. this is according to the u.s. national security council. they are expected to discuss potential arms deals for russia to get more north korean weapons to use against ukraine. the timing from what we're hearing is unclear, but it was the "new york times" that first reported about this potential meeting saying that kim would travel from pyongyang to vladivostok will he will meet at a forum to take place that this weekend. this is not far from north korea and also where the scene took place in 2019 where kim and putin met for the very first time. and kim made that skrjourney ons famous train, the armored green train. as for the new reported potential meeting, it is said that in exchange for weapons, what the north koreans want is advanced russian technology. technology for satellites and for nuclear powered submarines, also the north koreans desperately need food aid. this potential meeting would follow that recent visit by the russian defense minister who visited north korea in july. and this is also after u.s. officials said that the two countries are, quote, actively advancing their talks over another potential arms deal. last year the u.s. said north korea delivered rockets and delivered missiles into russia for use by wagner forces which was something that north korea has denied. now, both russia and north korea as a fact, they have been edging closer together. we learned that the russian defense minister says that joint military exercises with north korea are currently being discussed. and we also know that kim and putin have been quite recently exchanging letters to each other pledging to increase their cooperation. back to you. >> no doubt this is concerning for u.s. officials, but you have to believe that beijing is watching this closely as well. we appreciate your time this morning. good to see you. just hours from now, the impeachment trial of texas republican attorney general ken paxton begins in the state senate. the fire brand conservative was impeached by a rop controlled statehouse. but as ed lavendera explains, paxton's strategy for keeping his job relies on claiming the impeachment is a part isan witc hunt. >> reporter: ken paxton showed up at a rally to kick off his wife's state senate re-election campaign. >> please welcome to the stage my husband, the love of my life, my best friend, texas attorney general ken paxton. >> reporter: the suspended republican attorney general was impeached on 20 articles, including charges of retaliating against whistleblower, abuse of power and bribery as well as misconduct involving an alleged affair. paxton used this moment to pound the theme that he is the victim of a political witch hunt. >> if you kind of kept up, you can read that i'm responsible for the jfk assassination and for 9/11 and everything in between. >> reporter: paxton's impeachment trial begins tuesday in the texas state senate and it features some of the highest profile and unique legal characters in the state. paxton is represented by dan and ton any and they say it was a drive-by shooting. >> this was a sham. >> to say this case is not about politics has the credibility, believe ability and sincerity of the fellow that is trying to convince his wife that he goes to the strip joint for the food. it is not about the naked women, sweetheart, it is about the food. nonsense. it is definitionally political. nonsense. >> reporter: prosecuting the case against paxton are the legendary rusty harden and dick degaren. for decades they have worked the biggest cases in the state. a few months ago when paxton's lawyers ripped the process, cnn asksrousdy harden to comment and he referred us to this classic scene from the com it i "my cousin vinnie." >> the guy just says [ bleep ]. >> reporter: but the political stakes are sky high.vinnie." >> the guy just says [ bleep ]. >> reporter: but the political stakes are sky high. in may paxton was impeached by texas house republicans 121-23. and paxton is vowing political retribution against those republicans. >> let's clean house. >> reporter: there are 31 state senator, one is angela paxton, the attorney general's wife, but she will not be allowed to vote on her husband's impeachment. there are 12 democrats in the senate and prosecutors need 21 votes to remove paxton from office. the question is, whether nine republicans will vote against paxton. veteran republican political strategist brendan steinhauser says that it is not clear how this trial will play out. >> there is a lot of political pressure coming from all sides. this is unprecedented so they are trying to do their constitutional duty, trying to do legally, morally ethically right thing. they don't know what that is yet until they dive into it and see the evidence. >> reporter: paxton has enjoyed support from donald trump and among republican voters. >> is he a great man. >> reporter: steinhauser says paxton is benefitting from tumpg's attacks that the justice system is weaponized against politicians like them. >> that alignment is important for paxton because it helps him, gives him some political support among grass roots voters apz and activists in the republican party of texas and makes it more difficult for state senators and state representatives to impeach and then convict him. >> reporter: when proceedings begin tuesday, there is a chance that the majority of articles of impeachment could be dismissed by a simple majority vote in the texas senate, but it is not clear if that will happen, if the impeachment trial moves forward, it is expected to last several week. ken paxton's lawyers say the suspended attorney general will not testify but impeachment managers insist that they will call him to testify at some point. ed lavendera,en doctor, cnn, austin, texas. had we'll look at how long enrique tarrio could be behind bars. and plus check out this video, a pier in wisconsin collapsing, plunging more than 60 people i into a lake. and growing 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harvard center for education policy research, pandemic-related learning losses are historic in magnitude and highly variable among communities. and while nearly all districts experienced some learning loss, the range of these losses were highly variable from near zero to an entire grade level. julia kaufman is a senior policy researcher and she like many are getting up early joining us. we appreciate it. so this is really quite concerning. and gis the question is what will it take to reverse the learning gaps caused by the pandemic. >> yes, great to be here. you know, as a parent myself, i can say in many ways public school feels like what it was pre-pandemic. kids are back in school, athletics and after school activities are happening, but there is a but. nearly all research tells us that the average student lost out about a half a year of learning in math and not as much but still substantive reading achievement losses. so they haven't made up that learning. >> yeah, and we're looking at this graphic here that basically shows for some of those students it will take several months to catch up. you are talking about 4.1 months in readreading, 4.5 in math. and a new gallup poll shows that only 36% of americans are satisfied with k through education quality. and that matches a record low from for ye23 years ago. but 76% were satisfied with their oldest child's education. but the view from americans might be negative when it comes to their own child's -- or really overall education, but when it comes to their own kids, perhaps mostly they are satisfied here, is that your take from all this? >> yeah, k-12 parents are satisfied when you ask them about their own child's education. but when you ask them about the quality of u.s. education at large, they are not as satisfied. only 41% indicate that they are satisfied. and when you ask all americans that same question, only 36% are satisfied. you know, i have a lot of sympathy for teachers. they have been working really hard to support students and school and district leaders have had to make so many hard decisions the past several years. but these data also suggest that public schools have a bit of an image problem which probably means that they need to think about how to communicate the challenges that they are facing and their decisions really clearly to a critical public because they need the public support do the best possible job they can. >> might sound like a strange question, but are there any positives that have come out of covid-19 and the pandemic when it comes to education, anything that has actually moved forward successfully? >> i think so. on one hand a lot of schools have had to go to remote learning and we know that that hasn't been good for kids. we know that they haven't learned as much and they have lost learning especially if they have been in the remote school districts. but at the same time, schools and teachers have learned more about how to use technology well. and potentially be more resilient if something -- a large shock to the system happens again. in addition, a lot of districts have been using funding to pry intensive tutoring, to provide extra periods of instruction, to provide summer offerings. but given these data, i think schools do need to do more. you can't accelerate learning at the level needed for full recovery doing what schools typically do. so they have to do more of what they have been doing as well as potentially think about other kinds of interventions to help students catch up. >> some great insight there. julia kaufman from rand, good luck to your kids as they start off the school year. we appreciate your time. >> thank you so much. and still ahead for us this morning, vice president kamala harris arrives in indonesia today, we'll tell you what exactly is on the agenda for her there. and two suspects busted after allegedly using, get this, an excavator to damage the great wall of china. mlb partners with t-mobilele to not 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(psst psst) flonase. all good. diabetes can serve up a lot of questions, like, "what is your glucose?" and "can you have more carbs?" before you decide... with the freestyle libre 2 system know your glucose level and where it's headed. no fingersticks needed. manage your diabetes with more confidence. and lower your a1c. the number one doctor prescribed cgm. freestyle libre 2. try it for free at freestylelibre.us here is today's fast forward look ahead. the impeachment trial of texas republican attorney general ken paxton starts this morning. the statehouse will consider whether he abused his office to help a donor among many other accusations. jury selection begins today in the trial of former trump adviser peter navarro, he is charged with contempt of congress for failing to comply with a subpoena from the house january 6 committee. former proud boys chairman enrique tarrio will be sentenced this afternoon for seditious conspiracy connected to the capitol riot. prosecutors have asked for a sentence of 33 years in prison. so a lot of different legal angles to unpack and to help us get to it, we have a former federal prosecutor joining us this morning. she is also author of "a spy in plain sight." a few things to go through. we appreciate your help breaking this down for us. we'll start with what has been lengthy sentences for other proud boys ranging anywhere from 10 to 18 years. but prosecutors are seeking more than 0 years for tarrio. what do you think the liningly hood of that happening is? >> i don't think that he'll get the whole 33, but look for at least 18. the guys sentenced before him with the exception of david rhodes were mostly foot soldiers. they were carrying out the orders of the conspiracy. about enrique tarrio has been found guilty of seditious conspiracy. he was the chairman of the proud boys. he was not on the scene but he orchestrated it. only reason he wasn't there on the scene is because he had been arrested for burning a "black lives matter" banner. so this guy is looking at a harsh sentence, at least 18 years. >> a judge ruled last week former trump white house adviser peter navarro won't be able to argue that trump asserted privilege to shield him from a house january 6 subpoena. do you think this is a big blow to his defense strategy? >> absolutely. unless he can get the former president to come and testify and say at his trial that, oh, yeah, you know, i exerted executive privilege and that is why he didn't testify, unless he gets that, he is looking at he has no defense, right? because he can't rely on the executive privilege when in the face of the fact -- it is just a fact, right? it is a fact that he did not reply, he did not -- he is in contempt. so he has to -- he is on the defensive which is a little bit odd, but he is on the defense receive on this because the evidence is so strong against him and the only allegation that he can make is executive privilege and if the guy who apparently asserted it is not there willing to say that he did it and there is no other evidence of the fact, yeah, it is not looking good for mr. navarro. >> highly unlikely that touch will testify. >> yeah, a good bet. >> so let me get your take on the alex murdaugh case. his lawyers are filing a motion for a new trial based on what they call discovered evidence. so is it fair to say it has to be pretty substantial for this to even be considered here? >> you know, i think you've been going to night school here, law school, but you got it. it has to be material, right? it can't just be impeachment of a particular witness, it can't be cumulative. it has to be brand new and by the way, that it couldn't have been discovered by his lawyers before or reasonably discovered. and then the key is it has to be material, substantial as you said, and it really would lead to an acquittal. i mean, because courts don't want to go around willy-nilly just having new trials. so they won't do it unless they will say, look, this evidence had it been brought to the court, had it been brought in front of the jury probably would have led to his acquittal. now, you are talking about a guy who admitted on the stand that his alibi was a lie and there was a ton of other evidence around him. this is not an easy case. i mean, for the defense. so unless this is a slam dunk, a smoking gun, proverbial smoking gun, i don't think that we'll see a new trial. >> not an easy case, but one that has so much attention. and given that you are on my time zone, that is the west coast, i'm always impressed that you are able to bring the legal mindset and analysis this early your time. so we really appreciate it. >> just always churning in there. >> glad your is. thanks, lis. this morning police hoping the escaped prisoner danelo cavalcante will listen to one person in particular, his mom. they are broadcasting a message from her asking her son to surrender. officials say that there have been four sightings of the convicted killer since he escaped an eastern pennsylvania prison last week. brian todd brings us the latest on the manhunt. >> reporter: an escaped convicted mumurderer who police say they have had four incredible sightings of still remain on the loose. the most recent sighting of danelo cavalcante was on sunday when a state trooper had eyes on him. >> a trooper actually that observed him at some distance, gave chase but unable because of the terrain and some other obstacles was unable to get to him before he disappeared. >> reporter: officials say all four sightings of cavalcante have been within a 1.5 to 2 mile radius of the chester county prison which he escaped from on thursday morning. a residential surveillance camera picked him up at 1:43 a.m. saturday. emerging from a wooded area less than two miles from the prison. police say they have also investigated two burglaries in the area. while they can't confirm the burglaries were committed by cavalcante, residents nearby are getting increasingly nervous. lance says he returned from a holiday trip concerned about his home. >> want to make sure everything is clear and he is not hiding in our structure. >> reporter: and a new tactic from law enforcement, residents near the prison are hearing a message from helicopters and patrol cars, a message recorded in portuguese by cavalcante's mother from her home in brazil urging him to surrender peac peacefully. >> as desperate as he is, maybe he has a change of thought and hears his mother telling him to surrender and his family cares about him, he is desperate, he's hungry, he's fwbeen in the wood he's dirty, perhaps we can get a peaceful surrender. >> reporter: he was sentenced to life in prison without parole for the murder of his former girlfriend. prosecutors say they stabbed her 38 times in front of her two young children. and the motive, she had discovered that cavalcante was wanted for another murder in brazil. >> he has nothing to lose. he is looking at a life sentence without parole and he is out and has another taste of freedom. he won't want to give it up. so when squonomeone has a viole tendency that is a formula for danger. >> reporter: officials say don't play hero. cavalcante is extremely dangerous and citizens should not approach him. the pressure police say will come from them. >> i intend to stress him, i want to push him hard. he will make mistakes and show himself. he has already shown position we beli believe -- himself a few times and we'll eventually catch him. >> reporter: there is a $10,000 reward for information leading to his capture. pennsylvania state police say if law enforcement finds cavalcante and he is not actively surrendering, they are authorized to use deadly force. brian todd, cnn, washington. quick hits across america right now. six people are of hurt after a pier collapses in madison, wisconsin. 60 to 80 students from the university of wisconsin were crowded on to that pier when it gave way. more than 20 people hurt after a car crashed in to a denny's outside of houston. the 30-year-old driver of the jeep did not get hurt. the cause is still under investigation though. firefighters this california rescuing a driver trapped for five days inside a pickup truck that plunged 100 feet into a ravine near bakersfield. they used a human pulley system and a basket to raise the person to safety. russian president vladimir putin says he will consider reviving the black sea grain deal if restrictions on moscow's agricultural exports are lifted. but he is apparently working on a separate grain deal with turkey's president erdogan who he met with on monday. erdogan says that ukraine must soften its approach in order to work with russia. salma abdelaziz is joining us from london. ukraine's foreign minister reportedly called putin's statement classic blackmail. clearly there is a lot to parse through this morning. you can you help us understand what is happening here? >> reporter: what is important to know just in the wider picture here is president erdogan was a key meeting -- a key negotiator in the black sea grain deal that for months allowed tons of grain to be exported from ukraine to countries particularly across africa and the middle east and also you're on that europe. but that deal expired and collapsed over the summer. you have to remember president erdogan toeing the line, saying much of the grain, and again this is according to the turkish president, being exported to europe, he wanted to see more of it go to africa. and that ukraine was being too tough in its stance. putin you'll remember is blaming the west for the collapse of the deal saying that they did not see promises through particularly when it comes to russia's agricultural about ports. the bottom line to take away here though is that president putin seems to be acting unilaterally. he says russia is working on a deal to about port grain directly to six african states for free. now, unclear how that would happen or how that would take place. but what is important to note is that there is a little bit less urgency around this deal because global food prices have stabilized since the deal collapsed in the summer. still very important, you will remember the united nations a few months ago essentially accusing president putin of using food as a weapon. countries like egypt and somalia have seen inflation rates sky rocket because of the issue around grain and president putin continues to use it as a bargaining chip. you will remember many of those ports along the black sea, well, there has been an uptick in attacks on those ports, on those ports s s that export grain ha president 350u cputin negotiate deal. >> a lot of blame but not much movement forward. salma, good to see you. it is day two of the historic african climate summit. john kerry is joining heads of state, climate experts and industry leaders who gathered to raise africa's voice on the krk o climate crisis. organizers say that it is a place for climate investment. larry madowo is in nairobi. good to see you. so african leaders are aiming to address what are devastating natural disasters even though that their part in the human cause climate crisis is really minimal compared to wealthier countries. so how do they plan to address this? >> reporter: that's right, david. africa is only about 3% of global greenhouse gas emissions but the impact here is devastating. so these african leaders hope that they can convince the rest of the world why there is urgent need for financing for adaptation. and i want to hear from a leading environmentalist here with me. what is africa asking for? >> africa is asking for equal access and fairness to markets, to finance, liquidity, debt relief, knowledge, technology, a lot of baskets of things. but those are all part of a legal system to make a few things happen. two realities are happening at the same time. you mentioned one, the reality of climate change. we didn't cause it, we're suffering from it, we can't do much about it. but at the same time is the reality of a confluence of amazing opportunities. the youngest and fastest growing workforce. abundance of renewable energy and resources. our reality could be different. it is about unleashing the potential. >> reporter: john kerry just announced an extra $30 million for food security efforts. is this a droop ip in the ocean? >> it is something, but the speed and scale what have we need is huge before $500 billion in this decade alone. so we are far from close to it, but we need signals like that 100 times over. >> reporter: africans often claim that the global north often makes these commitments but the money never comes. is there a momentum here, is there a difference? >> i think africa is leading and that is a difference, but i don't see the same reciprocity from the north. that is why the climate justice movement is alive and well. we have to keep pushing for those promises made to be kept because we need both sides. we need the justice, we need the finance, but we absolutely have to have some agency and optimism. >> reporter: thank you so much. it is around important gathering. john kerry here and the eu commission president. so an important gathering of some of the most important voices in this climate conversation. >> it really is crucial. and obviously going to involve a lot of stakeholders to agree on things and as she pointed out there, a lot of money. $500 billion short. so we appreciate you keeping tabs on this and we'll look for your updates in the days ahead. civilian leaders of the navy, army and air force issuing a stark warning to senator tuberville. tuberville has been blocking hundreds of military promotions and this has been happening for months as a protest against the pentagon's policies easing abortion access for service members. right now three of the five military branches do not have a senate confirmed chief in place and instead they have acting officials. in a "washington post" op-ed, they say tuberville's actions are putting our national security at risk as acting fifb officials do not have legal authorities to make decisions that will sustain the united states's military edge. coming up here on "cnn this morning," first lady jill biden testing positive for coronavirus. we'll tell you how the white house is responding. >> and next right here, thousands of festivalgoers beginning the mass exodus from burning man after you'll recall they were stranded in the muddy desert for days. why some say it wasn't really all that nightmarish as you might expect. s 7 brain health i indicators, including mental alertrtness from one serving. to help keep me sharp. try new neuriva ultra. think bigger. you didn't live this strong, ththis long to get put on the shelf like a porcelain doll. if you have postmenopausal osteoporosis and are atigh risk for fracture, you can build new bone with evenit®. ask your doctoif you can do more than st slowing down bone loss with evenity®. want stronger 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trapped them in the desert for days. no doubt getting stranded and missing flights was stressful and unsettling, but as nick watt shows us, many felt the weather issues actually brought the community closer together. >> reporter: the exodus under way. that sunshine you see is the savior drying the mud just enough for tires to grip not sink into sludge. >> impossible to furngnction, impossible to move around. it became very cold, very storm-like condition, people's tents and entire camps became pretty much destroyed. >> reporter: more than 70,000 people were basically trapped for days. trapped in this makeshift desert city that pops up in nevada every year around labor day filled with campers and creators, fun lovers and those with their freak flags flying that culminates in "the man" burning. >> we planned to leave after the burn saturday night and then it started raining on us. everybody started dancing in the mud. it was great. and then reality sunk in that we couldn't leave. >> reporter: chris rock and some other celebs decided to take the only uncomfortable exit available. >> new york knicks jacket on and just started walking. and we walked about three hours in the mud and he was happy. it was me, i think cindy crawford walked with us, kyle, austin butler, it was a challenge but one of the highlights of the whole trip. >> reporter: thousands of others stuck it out, many embracing the ethos of some of reliance that surrounds the festival. >> i was waiting for the looting honestly. thought that would have been great. but nah, yeah, it is beautiful. everyone was helping each other out. r >> reporter: burning man, raining man, suck it up. >> i have my rv and others have rvs or big rental trucks. getting those out was basically impossible. sure, could you have walked out, but what will i do without my stuff. >> reporter: all this chaos caused by less than an inch of rain. >> even just the slooits bit of rain makes everything super slick. you walk around and you have like 5 pounds of mud on your feet. why? this is a desert. nothing much grows and the soil is not absorbbsorbant, just mil gray clay. most years this is a dusty and not a muddy mess. under an inch of rain? that is still two or three months worth in this arid land within just 24 hours. noon on monday, organizers said about 64,000 people remained on the site, that was just a couple hours before they officially opened the road. they advised people to wait until tuesday to try to get off the site, but by the look of the long slow moving lines, a lot of people were ignoring that advice. nick watt, cnn, los angeles. popular rock band smash mouth mourning the loss of their lead singer steve harwell. ♪ hey now you're a rock star, get the show, get paid. all that gliglitters is gold. >> they rose to fame with hits such as that one and walking on the sun. harwell retired from the band two years ago over health issues. he died after receiving hospice care. steve harwell was 56. week one of the college football season ends with a huge top ten upset in primetime. coy wire has the bleacher report. hey, coy. >> what's up, david. if there is one thing you can expect in college football, it is the unexpected. duke went into last night's game at 12 point underdogs at home against number nine clemson, but somebody must have forgotten to tell the blue devils. guk quarterback's mom texted him, and i quote, you suck before every game as motivation so he wear as wrist band with those words on it. mom's mind games worked. her little boy made the biggest play of the game in the third quarter breaking loose from a would-be tackler and tiptoeing to stay inbounds. 44 yard touchdown and the lead. on defense in the second half, two goal line instances, three turnovers including an interception. they outscore clemson 22-0 in the second half. guk duke wins 28-7 with fans rushing the field. afterwards the quarterback, leonard, had a simple request. >> professor taylor, if you are seeing this, please let me turn in my home work late because it is due tonight. it may already be 12:00. >> public policy major not wanting to mess that up. i think duke's first game against a top ten opponent in 29 tries might warrant an extension from the teacher. late night labor day thriller for last night. four hours, 41 minutes, sirn got the sinner got the cramps but he rallied. and his fans were jumping around to give him life. apparently sinner snacks on carrots during matches. but at 1:40 in the morning eastern time, longest match ever, but saying this is what he lives for. zverev and the crowd applauding him. and finally turn your head if you get queasy, competitive eater joey chestnut tastes defeat at the chicken wing championship. a new world record was set, devouring 276 wings in 12 minutes, that is about 23 per minute. and chestnut at 36 fewer than webb. but joey says that he will be back next year hungry for revenge. david, you look lie you could throw down some whichchicken wi. we've never met, but we'll have a little competition. wing it on. >> i can do a solid dozen. i always feel like those competitions should be sponsored by some heartburn medication. i don't know. makes me uneasy to see it. >> that is what our match will be. we'll set it up. >> absolutely. pop the tums right after. that does it for me. i'm david culver. next on "cnn this morning," north korea i can'n dictator ki jung-un plans to meet vladimir putin for face-to-face arms talks. when it could happen, that is just ahead. tryingng vapes to quit smoking might feel like progress, but with 3x more nicotine than a pack of cigarettes - vapes increase cravings - nicorette reduces cravings until they're gone fogood. from big cities, to small towns, and on main streets across the us, you'll find pnc bank. helping businesses both large and small, communities and the people who live and work there grow and thrive. we're proud to call these places home too. they're where we put down roots, and where 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