Partygoers head home after being stranded in the mud for days. How long some people were stuck on the road waiting to get home. Late season sizzle. Temperatures rise well above average across much of the country. How thats impacting some backtoschool plans. And covid19 diagnosis. First Lady Jill Biden tests positive. How shes doing, and the status how shes doing, and the status of the u. S. President. Captioning funded by cbs hey, good morning. Im hey, good morning. Im Shanelle Kaul in for annemarie green. A mass exodus now underway at the annual burning man festival in the nevada desert. Tens of thousands of people who were there became stranded on muddy roads flooded by a summer storm. Some are finally making their way back home. Some are blaming organizers for not sending weather updates sooner. Jarred hill has more from new york. Food morning, jarred. Good shanelle. That exodus from burning man is not expected to be a quick one. There was about a sevenhour wait to get out of that desert camp after that thick mud had thousands stranded for days. The iconic burning man litup the nevada sky one day late, marking the end of this years chaotic festival. Thousands are just beginning the long trek out of the desert, packing the only road out. Unexpected heavy rains friday turned the annual counterculture camping experience into a muddyfest, stranding festivalgoers, forcing them to shelter in play and ration supplies. The first days were all fun and games and then it got super real. People were afraid. It was muddy. We just spent four hours in line to get out. Reporter rob levitsky says hes been coming to burning man for two decades and plans to come again, but he wishes organizers had given more warning about the Weather Forecast ahead of this years gathering. Im mostly prepared for hot desert, dusty wind and not cold and wet and muddy. Reporter the impassable mud led to a temporary vehicle ban. Portapotties quickly became unusable. Some wrapped their feet in plastic while others went barefoot, risking chemical burns from the alkaline mud. I had an amazing time. Would i want it to do it for another three or four days as i have the last three or four . Never. Reporter even in regular years it can take up to 12 hours to leave burning man. This year organizers are urging people to stagger their departures as they make the sl sloggy start out. Shanelle, there was one death, but it does not appear to be related to the weather situation. Jarred hill live for us in new york. Thank you. Well, summer is going out with a sizzle as temperatures rise well above average for much of the central part and eastern part of the country. Yesterday nearly 170 million americans sweltered in temperatures above 90 degrees. And as cbss meg oliver reports, all that heat is impacting the start of the school year. Reporter as extreme heat continues to roast new york, fans and players at the u. S. Open tennis championships in flushing are trying to cope. Its doable when you have a fan. Reporter today hit 90, about 10 Degrees Higher than normal. Ahead of the first day of school, the Philadelphia Public School district announced early dismissals through wednesday for students who attend schools with little or no airconditioning. Cooling centers are open in washington, dc, where a hot weather emergency is in effect, but 98 degrees hasnt stopped tourists like lee and tammy robby who came from boise to visit the national monuments. We stop and sit down once in a while and try to find some shade. The breeze is wonderful if you can get some. Reporter the heat stretches all the way from the midwest to the east coast with recordbreaking temperatures across five states. People brave the temperatures at the Minnesota State fair on sunday, hitting a recordtying 97 degrees, 20 Degrees Higher than usual. As i feel myself getting too hot, i just make sure we go to the shade and cool down, drink water. Reporter more than a thousand miles away in new jersey, some headed to the shore, hoping to find relief in the waves. How was the weather down at the shore . Amazing. It was amazing today. It was really hot. The waves were nice. The waves were crashing. Reporter meg oliver, cbs news, long branch, new jersey. First Lady Jill Biden has tested positive for covid19. The white house says shes experiencing some mild symptoms and will remain at the couples home in delaware for now. The first lady had planned to start the School Year Today at Northern VirginiaCommunity College where she teaches english and writing. The white house says President Joe Biden is negative for now but will continue testing regularly and keeping monitored for symptoms. The former leader of the far right Extremist Group the proud boys will be sentenced today for his role in the january 6th attack on the u. S. Capitol. 39yearold Enrique Tarrio was found guilty of seditious conspiracy earlier this year. Prosecutors are seeking 33 years behind bars. That would be the longest sentence handed out so far among hundreds of capitol riot cases. A meeting between the leaders of russia and north korea is now in the works. Cbs news has learned kim jongun and Vladimir Putin will meet this month in advancing arms negotiations between the two countries. Cbss ed okeefe has more. Repeporter word d of the scheduduled meeting g between k jonguun and Vladimir Putin cos as the Biden Administration has been warning that arms negotiations between north korea and russia are actively advancing. U. S. Officials provided evidence last week that russias defense minister had recently traveled to north korea to try to convince pyongyang to s sell Artillery Ammunition to russia. After the visit, putin and kim exchanged letters, pledging to increase their bilateral cooperation. A kremlin Spokesman Says kremlin and north korea have mutual relations and contacts are being made by both delegations. They sent delegations in july, the first visits by top foreign officials since the covid pandemic began in 2020. President biden ignored shouted questions about a potential arms deal, but the white house has been warning north korea, officially known as the democratic peoples public of korea or dprk, not to help russia. We urge dprk to cease its negotiations with russia and we will continue to identified russia and attempts to acquire arms from dprk or any other state thats prepared to support its war in ukraine. Plans for a meeting come as President Biden plans to make a visit to vietnam. Russia is a member of g20, but putin isnt scheduled to attend. Ed okeefe, cbs news, washington. Coming up, how the l. A. Dodgers are responding after pitcher julio urias is arrested on suspicion of Domestic Violence. And a rock slide just feet away from shoppers all caught on camera. Stay with us. This is the cbs morning news. Stay with us. This is the cbs morning news. Nonmedicacated vicks s v. [e[exhales] eaeasy to applply for the whwhole familyly. Vicks vapostick and try vaposhower for steamy vicks vaporors. Heres why y you should d swito to ducuckduckgo onon all your e duckduduckgo cocomes with a a builtin n seg but t it doesntt spy on yoyc and our brbrowser blococks crey ads s that follolow you arouo and other r companies. S. Anand its freree. Downloaoad k kayayaking is mymy thing. Running g is awesomeme. But her momoderate toto severe ececzema woululd make herer skin so uncomfofortable. I i was alwaysys so itchy espepecially whehen i was ho. Now w my skin dodoesnt itih as mucuch. Now were stayingng ahead of her eczczema. Theres a a power insiside all of us toto live our r pass. And dupixexent woworks on thehe inside to helelp heal youour skin from witithin. 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And some diners got quite the scare when a vehicle plowed three through the restaurant. Those are some of the big headlines on the morning newsstand. The l. A. Times reports l. A. Dodgers pitcher julio urias is facing felony Domestic Violence charges. He was arrested late sunday night and released yesterday morning on 50,000 bond. The dodgers say theyre still learning the facts about the case, but urias will not be traveling with the team for now. He was also arrested for battery back in 2019 but avoided prosecution by completing a domestic counseling program. Major League Baseball is expected to launch an investigation. The Houston Chronicle says 23 people were hurt when a driver plowed through the wall of a busy dennys restaurant. Images from the scene show the entire car inside the dining area of this suburban houston restaurant. Police say the crash happened yesterday morning, leaving some people with severe injuries, but all, they say, are expected to survive. The 30yearold driver was not hurt. The cause of this accident is still under investigation. And People Magazine has an amazing story of survival in southern california. A driver there rescued from the bottom of a ravine. The Kern County Fire Department said the man spent almost five days at the bottom of this 100foot ravine before being found by rescue crews on saturday. Firefighters say the man became trapped after crashing his pickup truck last tuesday. Its unclear what led to that crash. He was airlifted to a nearby hospital. No word on his condition. Coming up, the music world loses another great. We remember the man who gave us hits like dream weaver and llove is alilive. Stayay with us. Youre watatching the e cbs mog nenews. Yoyoure watchching the cbs g nenews. In facact, its ststill among ththe top fiveve leading causes of f death in t th, riright after r heart disesee and cancncer. Anand covid1919 related er v visits are e three timemes higher thanan the flu. 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He was known for his 70s soft rock hits dream weaver, as you heard there, and love is alive. He started out in a band. He has been battling parkinsons and dementia. Gary wright died yesterday. He was 80 years old. Hey, now, youre a rock star get your game on hey, now, youre a rock star get the show on and the music world also remembering steve harwell. The smash mouth front man died on monday from liver failure just a day it was announced he was going into hospice care. The 56yearold retired in 2021 due to health issues. In our moneywatch this morning, wall street opens today after taking a break for the labor day long weekend. On friday the dow gained 115 points, the nasdaq lost 3 points, and the s p 500 finished 8 points higher. Chinese president xi jinping will skip this weeks g20 summit in india. The chinese premier will instead attend in his place. The move comes amid growing tensions between china and india over their disputed border. President biden said he is disappointed his chinese counterpart wont be there. He and the chinese president met last year at the summit in indonesia. Tesla might soon be facing some new competition. Mercedesbenz and bmw have now unveiled their new electric premium cars at the electric auto car show in munich. Both are using brandnew platforms. Mercedes claims its ev will need just 15 minutes to charge get this to go 215 miles. The ebmw ev uses panoramic views using a hedsup display which projects images on the wind scrcreen. It a appears babarbie is only takining over thehe box of bubut topping g the music c cha. The shshows albumum has managa stay in n the 200s. Ryan gosling also earning his first 10000 spott for h his f f im j just ken. It also features songs by dua lipa, nicki minaj, sam smith, and billie eilish. Next on the cbs morning news, watch a California Family fifight backk as somomeone trie steal f from theirir store. More o on this comoming up. S to. 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Reports of socalled smashandgrab incidents have been on the rise in california, but over the weekend, some Jewelry Store owners fought back against one suspect, and this was all caught on camera. Kkals laurie perez has more. Reporter the video of californias latest fight back against the smashandgrab is intense. Three members of the allfamily staff punching, kicking, and swinging at a man who they say pepper sprayed the almonte store and started smashing their showcases with a hammer until they chased him out. We spoke with one of the owners, her arms still covered in oily resin. He threw it on my hands. It was burning a lot. A lot. Reporter bloodstains evidence of the struggle. They told us theyre afraid to share their identities because of what they saw and what he said when he was fleeing. When they tried to chase him outside, he had a gun. He said, go back because im going to shoot you guys, and im going to kill all of you guys. He said that to me and my brother. The guy was running all the way out. Reporter heard a crash and commotion and ran outside when the cloud of pepper spray came their way too. Yeah, it was kind of scary because i felt like i was, you know, getting a lot of coughing. I was like, whats going on. Reporter jeweler raul moya and his wife across the street and i was really scared, you know, because it could happen to anybody. Re reporter checked his security cameras and found this, showing the suspect wearing a hoodie and walking into the store. The family says he brought this Cardboard Box apparently to carry out whatever he could grab. Because they confronted him, the suspect didnt get away with anything. In fact, he lost the shirt in the struggle. But how he left them, angry and terrified, is what insurance and a cleanup cannot restore. Well, yeah. You never know if theyre going to come back or do anything against us, you know. That was laurie perez reporting. Coming up on cbs mornings, rising comedy star tayaylor tomlinsoson only on n cbs morn toto talk morere about herer internatioional tour a and wheru can cacatch her acact next. Iim shanellele kaul. Thisis is the e cbs mornining [bones craracking] tense music one aleve e works all l day so i i can keep p working my magicic. Just o one aleve. 12 houours of ununinterrupted painin relief. Aleve. Who do you take it for . The virus that causes shingles i is sleepingng. In 99 o of people o over. And it c could ste at any timime. Think yoyoure not a at r . Wake up. Becaususe shingleses cocould wake u up in you. If youre e over 50, t tao your d doctor or p pharmacist about shiningles preveven. Estado o dorado always inin that ststate of minind living onon a high vivibrati so hot t gonna makeke it mel and i im lovin what i im tastinn que b bonito lugagar lleno de tanto s sabor s so much flalavor un fututure brilillante se a acerca ahhhhhhh h nos gustata mezclar como o malteada a aqui hay lulugar yeah we l livin in the gololden state e damame mas, freresco y rea wowooh dale g gas vivive en elel estado dodorado and thank you for joining us this morning. It is tuesday, september 5th. Lets get started. The first days were all fun and games but then it got souper real. Organizers left thousands stranded in the mud. I know a lot of our kids are traumatized. Coach of the oakland youll Football Team willing to drive kid an hour away to make sure they are safe from