Survivors of the massive beirut explosion demand answers as they mourn their losses. Were in lebanon with the new information on the blast. And Michelle Obamas candid comments. The former first lady speaks about her own Mental Health struggles and the pandemic and racial strife. First, heres todays eye opener. Your world in 90 seconds. It will go away. Thing goes away. Absolutely. Its no question in my mind it will go away. Chicago Public Schools will start the school year with all Remote Learning. The fact of the matter is, we are seeing an increase in cases. Investigators probing that massive explosion that tore through beirut. Teyre focusing on possible negligence. It was a nightmare. We felt that for the first time. A wedding photographer captures the exact moment a massive explosion shook beirut. Lawmakers have yet to come to an agreement on the next Coronavirus Relief bill. Well sit and work and work until we meet the needs of the American People and get this job done. Millions are still without power after Tropical Storm isaias carved a deadly path of destruction in the northeast. Today in hiroshima, japan, they marked the 75th anniversearies of the u. S. Atomic bomb dropping. All that new pandemic exercise routine. Check out this dog going around in circles. This feels like 2020 for all of us. And all that matters. Who doesnt enjoy a nice bath. A panda had a blast in the bubbles. I like to think they can only get better when you start watching a panda take a bubble bath. On cbs this morning. Lets give a big smile. Double up. One, two. Good. Drop. This daddy daughter duo are going viral on tiktok for their cheerleading stunts. Good. One, two. Obviously hes done it before with fullgrown humans. Shes just a tiny little thing. Hes tossing her around. Toes. Whoo clean. Wow. Clean indeed. Im sure it takes a lot of hard work and practice. You have to watch the whole video. Have you seen the full video . The very beginning. She slips a little in the beginning and the father says its okay. Youve got to trust me. And sure enough, she did. Sweet moment. Very cool. Fun fact, jericka and jeff. I tried out with the College Cheerleading squad when i was in college. So i know a little bit about that stuff. Yeah. Fun and interesting fact, yes. All right. Welcome to cbs this morning. Were going to begin with sweeping new measures in americas three most heavily populated cities to try and slow the coronavirus. New york city is now setting up coronavirus checkpoints for people entering from hot spots. Chicago says all its Public Schools will use Remote Learning at the start of the new school year. And los angeles announced a crackdown on house parties and threatened to cut off water and power. We start with our lead National CorrespondentDavid Begnaud in miami. First, tell us about this Enforcement Effort in l. A. So, jeff, if the city of los angeles now gets a report, and they can confirm theres a large gathering of people at a private property, they are going to ask the Utility Service in los angeles to cut water and power to that property within 48 hours. This drastic decision follows a party earlier in the week near Beverly Hills where the police could clearly see and cameras showed people gathering together at a large party. Here in the south where we are, the virus is spreading out of control. And we want to zero in this morning on the state of mississippi which is leading the nation in a way they dont want to. Cases per capita are the highest in mississippi than anywhere else. And doctors are alarmed. This was the scene inside the icu at the university of Mississippi Medical Center in jackson yesterday. It is mississippis largest and most specialized hospital. It is the only one that can offer the complex medical procedures that most critically ill patients need. And it is completely full. Within our walls, we have 14 patients that need an icu bed, and theres not one available. Thats dr. Luann woodward, the dean of the school of medicine at the university of mississippi. With cases on the rise and nearly 25 of the cases coming back positive, the Current Crisis in mississippi may go on for months. Im hoping the tide is turning, but i think there has been a very deep disconnect between many people in mississippi and the understanding of what were seeing. Reporter in neighboring louisiana, there was a Prayer Service held at Teurlings Catholic high school for 19yearold david lemaire. We spoke to his father mark. How many of your children were infected by the virus . Four out of five. Were you and your wife infected . Yes. David and his younger brother jacob were both hospitalized with coronavirus. And put in the same icu. At one point, the brothers even shaird the same room. That is where david took this picture of jacob looking back at his brother with clear concern in his eyes. Why did they bring him in the room together at one point . Because davids condition had deteriorated, and they are very close. And thought that would be a good good for both of them. David was airlifted to new orleans for more complex medical treatments. Mark went with him, seen here by davids side holding his hand. As machines, oxygenated davids blood to give his lungs a rest. But the virus had ravaged this 19yearolds lungs beyond repair. David died on july 31st after more than one month in the hospital. My son david was a very vibrant, very alive college student. Ive learned a lot about my son and about how compassionate he was. And how deep his faith was. This loss is overwhelming, honestly, for our family. Reporter i told mark that one of davids High School Teachers told me that david is remembered by his high school as being one of the nicest kids on campus. What a beautiful thing to be remembered by. I want you to know that david was treated with every drug available, remdesivir, convolessent plasma, steroids, they gave him everything they could. David had asthma as a child but hadnt been treated with medication since the fifth grade. He was running crosscountry in high school and running several miles a day the week before he was infected with the virus. David, your reporting once again driving home the fact that no one is safe from the coronavirus. And we should all take precautions, as youve reported. Wear a mask. Thank you, David Begnaud. We appreciate it. Chicago has announced plans to make its Public Schools remote to fight the coronavirus. It is a change from a previous hybrid plan. Adriana diaz reports from chicago. Even while weve taken significant steps forward out of this crisis, we also have needed to take some steps back. Reporter with coronavirus cases creeping up in chicago, mayor Lori Lightfoot said Remote Learning is the best option for the citys 350,000 students, though she acknowledged it will be a struggle for parents. Adriana alvarez is a single mom who works at mcdonalds. Her 8yearold son manny goes to school in a nearby district also doing Remote Learning. We first met her nearly the pandemic in march. If school closes, i dont know what im going to do. Its just me and him. I dont have anybody else. Reporter she was just as worried about school when whey checked back in with her yesterday. Its either i dw g go to wor provide for him or stay home with him. Is stopping work an option . No, i am the only Financial Support that he has. Its just me and him. And if i stop working, we both stop eating. So im literally stuck. Reporter its a problem parents, especially single parents, are facing across the country. 15 of the nations largest 25 School Districts will be online only. Affecting more than 3. 4 million kids. In schools that have reopened, coronavirus cases are already surfacing. Over 100 students in mississippi are now quarantining after six students and a staff member tested positive. And at a school in north carolina, part of a network of schools that Vice President pence visited and praised for reopening, all fourth grade students and a teacher are now quarantining after a student there tested positive. But for some parents whose kids must learn from home, there are growing concerns they could fall behind. Definitely worried about his education. I am not a teacher. I feel like online can only teach so much. Teachers are definitely, you know, a key point to their education. Chicagos mayor says they will provide support to parents who cant afford to stay home but so far there are few details. As for the nations Largest School district, new york city, its announced a hybrid plan with a few days a week of inperson instruction but new yorks governor hasnt yet approved that plan. Jericka . Adriana, all right. So many waiting to see what happens with the stimulus package because of the amount of people that need to go to work but also have a dilemma of who is going to watch their children. Thank you, adriana. Facebook has taken action against what it calls harmful misinformation from President Trump on the coronavirus. The company deleted a post by the president that included a false statement about children and the virus. The same clip was taken down by twitter. The Trump Campaign called that flagrant bias. Weijia jiang reports from the white house. If you look at children, children are almost and i would almost say definitely, but almost immune from this disease. Reporter for the First Time Ever on wednesday, facebook removed a post from President Trumps page in which he made that false claim about the coronavirus. Comments the Company Called harmful misinformation. Twitter also demanded that Trump Campaign delete a tweet with the same video, freezing the account until officials agreed to take it down. Still, mr. Trump defended the comment. If you look at children, they are able to throw it off very easily. They may get it, but they get it, and it doesnt vhave much o an impact on them. Reporter more than 250,000 children under age 17 have gotten infected. Studies show they recover better than adults but they can spread the virus to older people. The ongoing pandemic is also creating uncertainty about novembers election. The president continued to say that mailin voting leads to widespread fraud without providing evidence. Out of common sense, and pure basic, beautiful intelligence, you know it cant work. Reporter but arizonas governor, republican doug ducey, told the president in an Oval Office Meeting that he was confident in his states mailin voting system. This is no time to experiment. This is a time to go with the tried and true and in arizona, our system works very well. Reporter on capitol hill, white house and congressional negotiators wrapped up a tenth day of talks over covid relief packages for the american public. And theyre still clashing over whether to pass a comprehensive deal or smaller measures. President trump says he is considering taking executive action if congress cant reach an agreement. Jeff . Weijia, thank you very much. Investigators in beirut, lebanon, are working to find out if tuesdays gigantic explosion was caused by negligence. The blast killed at least 135 people, including one american. Around 5,000 others are injured. Imtiaz tyab is in beirut where a massive recovery effort is under way. What do you see there . Coming into this city that i know so well, i have never seen it devastated quite like this before. A quarter of a Million People made homeless in a matter of seconds. Now we havent learned much more about the american who was killed in this blast or the several other americans who were injured. But we do know that a vast search and rescue effort continues. This hellscape was once beiruts port. Now laid to waste by over 2700 tons of ammonium nitrate. How such a vast quantity of such volatile material was allowed to rot for over six years in a warehouse so close to the city center is still being investigated. The lebanese government is putting the ports managers under house arrest while it pieces together how the russianowned cargo ignited. Many are blaming the countrys ruling elite after reports surfaced suggesting officials had repeatedly warned the dangerous chemicals needed to be removed. So few were spared, including little sophie in intensive care, whose brain is bleeding from shattered glass. Her parents say they also lost their home. I tried to protect her, but i couldnt. Reporter there are still some moments of hope, like when rescuers pulled this man from the rubble 16 hours after the explosion. Theres also music. 78yearold may melki survived the civil war and later conflicts with israel. Her home may now be in ruins but her piano skills and resolve are as strong as ever. Each time these catastrophes happen, we stand up and start again. Reporter lebanon has been suffering on so many fronts. First the crashing economy, then the pandemic, and now this disaster. This isnt a country that is on the brink. Its deep in the abyss. Jericka . Imtiaz tyab for us in beirut, thank you. Nearly 2 million homes along the east coast are still without power this morning following Tropical Storm isaias. Six states have now declared a state of emergency. Officials in some hardhit areas say it could take days for power to be restored. Investigations are under way in new york and connecticut over whether Utility Companies were unprepared for the storm. At least nine people were killed by the storm. Many by falling trees and in flash floods. Turning to the president ial race, the Trump Campaign wants an extra debate with Presumptive Democratic nominee joe biden about a month from now, before early voting begins in some states. Three debates are scheduled right now. September 29th, october 15th and october 22nd. Ed okeefe is covering campaign 2020. All right, ed. What else could change between now and november . Everything, vlad. First, theres a debate over debates continuing. Both parties are completely scrapping plans to hold anything resembling normal political conventions. The Biden Campaign announced neither he, his running mate nor any party leader will speak from milwaukee at the Democratic National convention as originally planned. Democrats now say the city of milwaukee will serve as a control room of sorts for a completely Virtual Convention that will include joe biden accepting the nomination from his home state of delaware. Republicans already scrapped plans for their convention in jacksonville, florida, and charlotte, north carolina, and President Trump is now considering accepting his partys nomination from the white house. I think it would be a very convenient idea. Its something that we threw out. It would be a very cost conscious by comparison to any other location. Reporter but. Including members of the president s own party, questioned whether that would violate the hatch act, prohibiting government officials from participating in politics. And the use of Government Property for campaign activity. Republican senator john thune said, i think anything you do on federal property would seem to be problematic. The president brushed off legal concerns noting hes exempt from the act. Well, it is legal. There is no hatch act because it doesnt pertain to the president. Reporter House Speaker nancy pelosi said it would not happen and called it a distraction. And he is diverting attention from the fact that people are dying in our country. Reporter as the president and biden continue campaigning virtually, the former Vice President took questions at a conference of black and latino journalists, and was asked what he would do about border security. Trump campaigned on build that wall. Are you willing to tear that wall down . No, there will not be another foot of wall constructed in my administration. Reporter biden also said if hes president , Border Protection would be based on high technology. As for his running mate, were Still Standing by for that announcement, but the former Vice President tweeted last night, quote, ill let you know soon. Vlad . And we will be waiting. Ed okeefe for us, thank you as always. New Research Raises questions about the safety of advanced Driver Assistance Technology and how much drivers should rely on those systems. But first, it is we have much more ahead. Mola lenghi takes u we have much more news ahead. We go to scottsdale, arizona where the coronavirus is hitting Small Businesses hard. Reporter when it shutdown this Tourism Business hard, its when hathe businesses make halff its income for the year. And now, as you can see, its a ghost town. On cbs this morning well take a snapshot of a main street desperately struggling to stay alive. However you go back, weve got your back. To soccer practices. And new adventures. You hope the more you give the less theyll miss. But even if your teen was vaccinated against meningitis in th