at the russian regime. it has all the hallmarks, all the operating procedures of a russian state sponsored designation or just to get this fellow out of the way. >> the 44-year-old opposition leader has been a thorn in the side of president putin for years. he's been arrested more than a dozen times organizing anti-putin protests. the kremlin has dismissed allegations of a novichok poisoning as absurd. it cripples the nerve system. a tiny amount is enough. >> the nerves that control the muscles that control your lungs would shut down and it's like drowns, which they say is the worst way to go. >> he says navalny is lucky to be alive and while he may have escaped with his life, but one

goal has been achieved, it's up likely he'll ever return to russia again. in investigation, she called the number of poisonings inside and outside russia over decades profoundly disturbing. . >> charlie d'agata reporting. south africa was documented more cases of covid-19 than any other country on the continent but its students are back in class and doing surprisingly well. deborah patta has more. >> thousands of children like these had no learning at all because of a lack of access to technology, forcing educators to come up with creative solutions. online learning is all very well if there is good intercept in your neighborhood, but if you live in a poor township and n' electricity, it's impossible. so going back to school was the

only solution for many students. access to resources may differ from school to school but protocols are the same. temperature checks, marks, hand sanitization and social distancing. the secondary zmool an impoverished rule area took it one step further. every child in the classroom knows that an education is their only ticket to a better future and they were not going to let a pandemic stand in the way of that. while other children were playing during south africa's hard lockdown, these final year students moved in with their teachers, who supervised their studies in small home groups. >> they are four people in each room and we get lunch after school. >> he's the top performing student. >> important to get a good education, especially in south

africa, sort of like whether you're going to end up in life, so you need to get a good education so you can get into a good university or eventually become someone better. >> reporter: to make up for any lost time, these students are now at school every dayorning u at night seven days a week. principal is teaching a larger lesson. >> in life there's no excuses. there's no certificate that will be returned for covid. i believe that nothing breaks the human spirit. >> reporter: at an elite all girls school in johannesberg,y the physical challenges posed by the pandemic easier to manage. strict social distancing can be main taped in classrooms to

accommodate only 15 students at a time. but there are still emotional concerns. >> for some of the girls being isolated and not being able to spend time with their friends was really, really difficult. we had quite a number of parents phoning and saying my parents for the first time in her life she's experiencing anxiety or depression. >> reporter: the school psychologists have been offering counselling sessions but for the most part, they've adapted to schooling in a covid world. at the beginning of the pandemic, there were infection outbreaks in some schools bus some health protocols have been adopted nationwide. most schools are managin

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♪ this year arson thoroughbred racing wraps up when the racing course in lexington, kentucky hosts the breeders cup. top riders from around the world will be there. it's not certain how many fans will be allowed in the stands. kingland is holding the annual yeerlg sale of young horses this sunday. michelle miller has the story from horse country. >> reporte . >> everyone around this community has a story. it's a special place to a lot of people.

>> reporter: shannon is the prest- racecourse, a track that isn't as well known as churchill downs but holds its own in the horse racing world. >> one of my favorite stories would be when we hosted the broeders cup20 amen oah came around the stretch and won. when you've got the triple crown winner, the first one since 1978 and that was so good to be here and a part of that. >> reporter: american pharoah became the sport's first grand slam champion. >> he's wonhereeds the give away purses in the millions. it serves that the most prominent auction house in the world with sales of more than $627 million. what happens? >> people get in bidding wars.

>> i have one million dollars. >> it's not like an art auction. it's not slow, you put your number up and the auctioneer takes note. it's fast. the auctioneer is talking fast and the wid spotters know so well the participants that sometimes this is a bid. i mean, i don't go in the sales room because i don't want to scratch my nose and be mistaken for a bidding on a $4 million horse. >> arvin is a practical attorney and has served as corporate counsel to the racecourse in a decade. she continues her utio >> my grafather was the fin19 a trd fro the te h lawyer and ends fily ties, this wasn't just happened to you? >> absolutely not.

this is years of really hard work. i have hope it can be a symbol to other women in the industry toonld my little girls who are nine and ten that with a lot of hard work and perseverance, that can may off. you really can achieve what you're hoping to achieve. >> reporter: what she's looking to achieve now is a broader base during this pandemic, even without fans in the stands. instead of its traditional spring meet, keen hand held a five day summer immediated in july. fans wagered $63 million. wagering on u.s. horse races th's ay 1rease on in july. over time lt year we'd had 150 hours of national tv exposure for our sport. this year, so far we've had 600 hours. so as other major sports have not had as many opportunities to play, we've had an opportunity to push forward, which has been really important.

>> reporter: also important, the safety of the thoroughbreds. last year there was national outcry after nearly two dozen horse deaths in the span of three months at santa anita park racetrack. >> you headed safety initiatives for the industry but last year there was a lot of talk about horse fatalities and nine horses died at keeneland. >> there should be talk about horse fatalities. it's a serious concern. we take it seriously. we are not sparing any expense to have all the data, all the experts, every one available to make sure that this sport is as safe as it possibly can be. we're not perfect but we are committed to doing that and to getting better. >> reporter: where do you need to get better? >> we need better are prerace examinations. we've recently hired an equine safety director to be sure that we are in touch with our

thoroughbreds and we know the athlete so that we can prevent an injury before it happens. >> reporter: the racing season for the world's greatest thoroughbreds ends at this finish line and all eyes will be on kingland. >> you're hosting the second breeders cup in november. how is that going to look dirchlts than the one you had earlier? >> i think everything is dinner in 2020, right? i think that's what we've realized. we will not have as many fans. we're getting creative how we can reach people and help them see the excitement of our sport. one of the great things about being at the races is the roar of the crowd. we hood a race here in july and we had 600 was t most people that we had on any day because of our limitations. normally we'd have 42,000. while that was fairly surreal and i definitely miss the roar of the crowd, it's that thunder of the horses hooves that you hear when they're rounding the

turn for the finish line. you still hear that loud and clear. >> michelle miller in

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so you don't wait for life. you live it. some people will go to great expense to avoid trespassers. steve hartman has a story of one intruder. >> not long ago dave of salt lake city utah got one of those smart security cameras and almost immediately it captured a trespasser on his driveway. >> you get the alert and you kind of have an immediate sense of anxiety. someone's going to do harm to me. >> reporter: that imminent threat, a four-year-old on a joy ride. every night like clock work. >> person at driveway.ah is it's just that kit again. you're interrupting my netflix. >> houltd are you? >> i'm almost 50.

>> reporter: you're a little old to be doing the get off my lawn thing. >> i know. >> reporter: under the cover of darkness he wrote a message to the boy that basically said kid, you win. the next day. >> you can almost see the look on his face when he gets it. then he just charges into it. >> this was in june. from that day to now, dave's driveway racetrack has remained. whenever weather washes it away, he simply draws another. he even built this contraption to keep the lines straight and now recertificates racetracks for track authenticity. he's serious about the chalk. draw. more into this t he >> that's a new one. this is quinn, discovering dave's latest creation. >> ya hoo!

>> dave had never met quinn or his family before that morning. yet all summer he has been heing to raise the boy in th am >> quinn's dad josh. >> just that we can be a part of something like that, that we can see the good side of humidihuma feels good. >> there are a lot of great dads out there. the true measure of a man is not how he raises his own kids, it's how he raises the village. steve hartman, cbs news, on the road. >> andhat's the overnight ns for this wednesday. for some of you the news continues. for others, check back later for "cbs this morning" and follow on looichb anytime at cbs news.com. reporting from the nation's capital, i'm catherine herridge.

it's wednesday, september 9th, 2020. this is the "cbs morning news." raging wildfires. dozens of fires tear through the west, and some firefighters in california take cover for their own lives after being run over by flames. serious setback. the potential problem impacting a leading covid vaccine trial, plus the staggering number of children who have had thvirus this year so far. disney the live-action remake of "mulan." good morning, really good to be with you. i'm anne-marie green.