About his link to boogaloo, the antipolice group. Beijing on lockdown chinas capital shutting down schools, not letting anyone inhescrambo trace hundreds of thousands potentially exposed to the virus. Explosion in diplomacy north korea blows up a diplomatic building at the border. Did the last hope for a nuclear deal go up in flames . Striking out baseballs future is in serious doubt. Will there be a season . And finally, little solutions with a big impact. How mini libraries are feeding me thusthe. Wcapital. He nns odonnell good evening, and thank you for joining us. We are going to begin with breaking news on what could be a breakthrough in the fight against coronavirus. Doctors in england say theyve discovered the first drug that vramatically reduces deaths in out its already on the market. The drug is a lowcost steroid called dexamethasone, and researchers say in a large trial, it cut deaths among the sickest coronavirus patients by a third. Tonight, doctors are cautiously optimistic that if the research pans out, the drug could eventually help save hundreds of thousands of lives. The new study comes as nearly half of the states in the u. S. Are struggling with spikes in cases, including in florida, where tonight, the state has its highest number of new infections since the pandemic began. Oklahoma, texas, and arizona are also reporting record highs in new cases today. And as we come on the aironht, 0 people have been killed by the virus in the u. S. , and there are more than 2. 2 million confirmed cases nationwide. Tonight, theres also new research that says Wearing Masks could prevent hundreds of thousands of infections by stopping the spread of virus droplets in the air. So theres a lot of news to get to tonight, and our team ofrres. Cbs manuebojorquez is going toofr coveragere good ening, norah. Florida has set yet another daily record. More than 2,700 new coronavirus cases were reported today. Hospitalizations are also up in several states, so word of a medical advancement could not come soon enough. Breakthrough it against the coronavirus. The Worlds Largest trial of existing treatments found a cheap, decadesold anti inflammatory steroid called dexamethasone reduced deaths by 20 in covid19 patients on oxygen. What we saw was really quite remarkable. In ventilated patients with covid19, the drug dexamayof treatment with that, which is a tablet or an injection, reduces the risk of death by about 35 . Reporter dr. Scott krakower was not part of the trial, but received dexamethasone in april when he battled the virus himself in new york city. So, is this a game changer . I think it is a game changer. I mean, it was the first time in, like, i felt like almost a month, i stopped coughing for, like, an hour. It was such i dont know, to me a blindblowing moment. Reporter cbs news chief medical correspondent dr. Jon lapook. The fact that theyre saying there was a statistically significant decrease in mortality with dexamethasone is very encouraging. Reporter news about the treatment comes as one of the prediction models used by the white house now projects 200,000 covidrelated deaths in the u. S. By october. 19 states are reporting increases in average daily new cases, compared to two weeks ago. Today, texas saw a record jump 15,000dayss reportedrl but today, in a wall street journal oped, Vice President mike pence called reports of a possible second wave overblown. Despite record new cases, Florida Governor ron desantis t. O reporter still, miamis mayor put the next phase of reopening on hold due to recent spikes. Austins mayor extended a stay athome order. And nevadas governor said the state was not ready to enter phase three. There was encouraging news today about the economy. Retail sales jumped nearly 18 last morning a record, as more business and restaurants reopened. The question is whether that comes at the expense of social distancing. Norah. Odonnell manny bojorquez, thank you. Tonight, were learning more about garrett rolfe, the Atlanta Police officer who killed Rayshard Brooks in a wendys parking lot. Noer useofforc. Today, President Trump called on Police Departments to track complaints of Excessive Force against officers. And part of a new executive order critics say doesnt go far enough. Cbs ben tracy reports tonight from the white house. Reporter with pressure mounting to address Excessive Force by Police Departments, President Trump took the unusual step of surrounding himself with y as he signed an executorde suggeg new stanrds fow enforcement. These standards will be as high and as strong as there is on earth. Reporter mr. Trumps executive order creates a database to track officers with Excessive Force complaints, suggests banning chokeholds in most cases and calls on departments to deploy social workers when responding to the homeless and mentally ill. But the order is merely a list om, nolegal restrictions. And the president used his speech today less as a conversation about racial bias in policing and more as a rally supporting officers. Without police, there is chaos. Without law, there is anarchy, and without safety there is catastrophe. Reporter democrats say the president s action is not enough and want a ban on all chokeholds and to make it easier to sue police for misconduct. There is nothing about what the president announced today that would hold Police Officers who break the rules and break the law accountable. Reporter before signing the the families of botham jean, atatiana jefferson, and others impacted by police violence, as well as the mother of ahmaud arbery, the 25yearold black man killed in georgia while jogging. Three white men are charged with his murder. Wanda cooper jones is arberys mother. I think the president was very receiving. He was very compassionate. He did assure each Family Member a new indeshha riith h formenationalntinhim tos tellall book scheduled to be released next week. The u. S. Government claims it contains classified information. President trump says that he views any conversation he had with john bolton as highly classified. Now, the Justice Department is saying that the National Security council has not yet finished its review of the book. This book is expected to be highly critical of President Trump. Norah. Odonnell ben tracy at the white house, thank you. Tonight, an active Duty Air Force sergeant, already jailed in the ambush killing of a sheriffs deputy in california, is facing new charges of murdering a federal officer. Prosecutors say hes part of a violent antigovernment extremist group. Heres cbs jeff pegues. No justice, no peace reporter on may 29, investigators believe this oakland protest over George Floyds death was used as a cover for an operation to kill. Aiteve, and an accomplice, robert justice, were hunkered down inside this white van. They would go on to shoot and kill protective Services OfficerDavid Patrick underwood and injuring his partner. Shots were fired out of that eporter carrillo would allegedly go on to murder a sheriffs deputy before he was taken into custody. Authorities say a patch found in his van and a message in his own blood on the hood of a car suggest that he was part of a radical movement. The complaint alleges that the patch and the phrases written by carrillo are associated with the socalled boogaloo movement. Reporter the boogaloos, some sharing posts under a hashtag,e. Me others are White Supremacists who see recent protests, violence, and even a pandemic as an opportunity. This fits perfectly as an opportunity for boogaloo to try to create chaos. Thats what extremists do. Reporter in atlanta, police are looking for the arsonist who, during a peaceful protest, set fire to the wendys, which was the scene of the Police Shooting of Rayshard Brooks. And we are outside Police Headquarters right across the street there in atlanta. Investigators say in that arsonist case, arsonists used homemade torches, lighters, and aerosol cans, among other firefighters from making it to the scene to put out the flames. Norah. Odonnell jeff pegues, thank you. Pacific gas and electric pleaded guilty to Involuntary Manslaughter today for causing the deaths of 84 people in a wildfire that tore through the 20wn of paradise, california, in thr c. E. O. , bill johnson said, guilty, your honor, 84 times once for each victim. The company admitted its equipment started the fire and will pay more than 25 billion in fines and settlements. Tonight, china is racing to contain a new outbreak of covid19teing no infections in beijing for more than 50 days, the virus has returned. Heres cbs ramy inocencio. Reporter tonight, parts of beijing under lockdown again. Officials there calling is war time mode. Schools closed, transport in and out of the city shut down. There are now more than 100 coronavirus cases linked to beijings xinfadi wholesale market. Health officials scrambling to quickly contract trace, an estimated 200,000 people from market workers to recent visitors. Near the area images seen of hundreds of military Police Deployed to freeze the flow of people. Barricades are now surrounding shuttered market stalls as officials search for a source in a complex the size of 250 football fields. Chinese Officials Say one focus icafter on rt s chopping board tested positive for a european strain of the virus. We need to look at what has happened in this case. I dont believe its the primary hypothesis, but it needs to be explored. Reporter and a second surge is also the fear here in japans capital, too. Tokyo reported more than 20 new coronavirus cases every single day for nearly the past week. Norah. Odonnell ramy inocencio, thank you. A new study finds in parts of the u. Re face sks are mandatory, as many as 450,000 cases of coronavirus may have been prevented. That as new Research Shows improving ventilation significantly lowers how long the virus stays in the air. Heres cbs dr. Jon lapook. Reporter tonight, a major tool in the fight against coronavirus could be right inside our homes. Experts say crack a window, open a door. Thats because the virus can float indoors. Whuge, droplets containing virus can travel, larger ones usually up to about six feet, but smaller ones, particles called aerosols, can float invisibly through an entire room and can be produced through normal speech. The zinger for this virus is that basically the aerosols beter kimbeh spent her carr stg aerosols. Ea taiit opens up the number of people who nfecte. Reporter aerosols, as shown here, can help explain events like a choir practice in Washington State in march where one person likely infected 52 others. Were not recognizing the potential for airborne. Reporter joe allen is director of harvards Healthy Buildings program. Opening up the windows is easy and cheap, but what about actually changing the ventilation system of a big building . Im not saying people have to go out and revamp their entire mechanical system. Bring in a bit more outdoor air, which most building systemsyou n highefficiency filters. Every building can be a healthy building. It doesnt cost that much to get us there. Reporter new Research Suggests sunlight can deactivate the virus and aerosols, and wearing a mask provides another crucial layer oprotection against the airborne spread of the virus. Norah. Odonnell dr. Jon lapook h korea demolished a building used to host talks with south korea, and tonight the regime is threatening military action. Cbs Margaret Brennan reportkoa blowing up the office for diplomacy in kaesong that it had opened in 2018 with south korea and making a good on a threat by kim yojong, kim jonguns increasingly powerful sister. She also said troops are preparing to surge into the d. M. Z. Thats where President Trump took a symbolic step into north korea last year to shake hands with kim jongun. Thank you, everybody. Reporter but diplomacy has stalled. The regime continues to test shortrange missiles and has produced enough Nuclear Material for dozens of weapons. North korea said todays action was provoked by south korean activists who had sent antikim leaflets across the border. The Trump Administration called the actions counterproductive, careful language meant to keep alive President Trumps signature Foreign Policy intive. Nsion in election years e hope of extracting concessions. Former c. I. A. Analyst jung pak i think that we are in for a potentially a wild ride in june as north korea and the kim family tries to show strength for internal and external an cbs ne, washinon. Odonnell and there is still much more news ahead tonight on the cbs evening news. Going, going, gone can baseballs long, dark summer be saved . And later, why mini libraries are carrying a lot more than are carrying a lot more than books these days. Cne, im an associate here at amazon. Come on christian, step onto the blue line. Good stay safe, man. This device is giving us an Accurate Temperature check. Youre good to go. Have a good day. The safety of Amazon Community is vim youre good to go, sir. Thank you if i can take care of everyone who is sick out there, i would do it in a heartbeat. Step onto the blue line, sir. Thats how i am. This is my passion. Have a good day. I have a son who is 10 years old. I say, you know, mommy loves to help people. And he said, wow, one day im gonna be like you too. Im gonna be a doctor. He make me cry. With statinsbut up to miions of patients are d 75 persistent cardiovascular risk still remains. Many have turned to fish oil supplements. Others, fenofibrates or niacin. But heres a number you should take to heart zerothe number of fda approvals these products have, when added to statins, to reduce the risk of cardiovascular disease. Ask your doctor about an advancement in prescription therapies with proven protection. 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Whether you know what day it is or not. Consistency is key when taking on acne. And an everyday cleanser . Thats breakouts worst enemy. , utrogena®. And your health is key to that. Odonnell weve got some good news for sports lovers. New yorks governor said today that the tennis u. S. Open will begin in late august without fans in the stands. But tonight it appears less likely that there will be Major League Baseball. The coronavirus shut down the league, and theres no sign of healing a tense labor dispute. Heres cbs carter evans. Reporter its americas paalreadon the ceback last week, baseball commissioner rob manfred sounded confident. The percent chance were playing Major League Baseball this year . 100 . Reporter last night, that sunny optimism disappeared. Im not confident. Its just a disaster for ou reporter its a fallout between the union and owners over how the season can get salvaged and how much players will get paid per game. But now, ballparks across the country, including dodger stadium, sit empty. The dodgers were supposed to host the Arizona Diamondbacks tonight. Now their parking lot has become one of californias largest covid testing sites. And theres the harsh reality, reports that some players and coaches have tested positive. As for the athletes, a simple message players want to play, the same from allstars bryce harper and mike trout tell us when and where. But thats only if after all the talking the owners and players dont strike out. Carter evans, cbs news, los angeles. Odonnell i know we all miss our sports. Up next, the little Free Libraries that are serving a big need in the pandemic. We design and engineer in america. And assemble more vehicles here than anyone else. Its why at moments notice we can take American Ingenuity and our manufacturing capability and put it to work. Building respirators, ventilators and face shields. Building what weve been building for over a century. 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Whoohoo great tasting ensure with 9 grams of protein, 27 vitamins and minerals, and nutrients to odonnell you may have seen them theyre called little libraries, small wooden boxes in front of homes used to Exchange Books for free. But as cbs meg oliver reports, thlises armaking abience h to m reporter in front of a Community Garden on new yorks Staten Island sits a Little Free Library where neighbors have swapped books for years, but now. What all are you finding in the little libraries . Canned goods and masks and gloves. Reporter when Library Steward heather found toilet paper inside she thought it was a prank, but she quickly discovered the library was transforming into a mini pantry of essential needs. To me it signifies the best that we have to offer, and it also signifies imagination and creativity. Reporter across the country, Good Samaritans are stocking nearly 400 little Free Libraries with canned foods, hand sanitizer, and in seattle, homemade masks supplied by brin berkhalter. I can barely keep the library stocked with masks. As soon as im able to add a handful more, theyre gone. Look what they have, honey. Reporter they check out the neighborhood Little Library twice a week. Is this helping you feed your family . It is. Right now its a crisis and im one of the lowincome families. So when youre looking for heartier meals, this is somewhere i definitely would look forward before i go to the store. Goodnight moon. Reporter a Little Library offering a big helping of comfort during this time of crisis. Meg oliver, cbs news, Staten Island, new york. Odonnell how about those little libraries helping families start a new chapter . Well be right back. Heart pump. My tip is, stop thinking this can only happen when you get old. My Heart Failure happened at 38. 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