along with darren peck and here is julio that we will see at 6:00 tonig ♪ ♪ ♪ captioning sponsored by cbs >> diaz: tonight, pandemic progress. infections ease, but the vaccine push faces new challenges. delta today ends in-flight social distancing, filling middle seats, as airlines ready for a summer travel rush. and, what the t.s.a. is saying about masks.is flights from india face new restrictions as a covid surge devastates that country. u.s. aid on the way. also tonight, america's longest war enters a final phase. cbs news is in afghanistan. >> reporter: i'm charlie d'agata in kabul, where that u.s. troop pullout is already underway, amid threats of violence from the taliban. >> diaz: plus, viva las vegas. the city welcomes crowds back.

how it's making the car you want hard to find. and later, stem support. a chicago teacher goes the extra mile to pay fo science and tech classes. >> we're really trying to break a cycle and help kids get out of the cycle of poverty. the jobs are in tech. this is the "cbs weekend news." from chicago, here's adriana diaz. >> diaz: good evening. the world's coronavirus cases are hitting record levels, driven in part by a devastating surge in india. new daily infections there today topped 400,000. at the same time, america's pandemic pain is easing. over the past week, new infections are down in 26 states. they only rose in four. and vaccinations have provided a critical boost. more than 100 million american adults are now fully vaccinated. that's fueling summer travel plans for many. cbs's danya bacchus at l.a.x.

leads us off. danya, good evening. >> reporter: good evening, adriana. those with travel plans will still face restrictions. the t.s.a. just announced its covid rules-- mask mandates at airports, on planes, trains and buses, will be extended through mid-september. more packed planes are taking flight. as of today, delta airlines is no longer blocking middle seats. it was the last u.s. carrier to do so. but c.e.o. ed bastian cautions, this is not a return to normal, saying "we are still operating in a pandemic." changes, such as cleanliness protocols, will be permanent. will restrict flights from india, allowing only u.s. citizens and permanent residents on planes. cases there surging out of control. >> the situation is extremely, extremely grim. the system is at the brink of collap new infectious topping 400,000.

hospitals are overwhelmed. oxygen supplies desperately low. ( siren ) a hospital fire today added to the misery. at least 18 people died. here in the u.s., vaccinations are boosting america's recovery. nearly 40% of adults are now fully vaccinated. >> that's 100 million americans with a sense of relief, and peace of mind, knowing that, after a long and hard year, they're protected from the virus. >> reporter: and there's new concern-- reaching those who haven't yet received a shot. >> this is an all-hands-on-deck effort, we've all got to chip in. >> reporter: still, oregon is facing another outbreak, and in. >> reporter: still oregon is facing a new restrictions. georgia's governor removed many restrictions. georgia's governor removed man remaining covid safety measures. one health official warns, it is still too soon. >> we are in the seventh inning. you know, we are doing well, and we can still lose the game. >> reporter: here in california, 40% of eligible residents are now fully vaccinated. covid cases in the state are among the lowest in the nation,

and more restrictions could be lifted as soon as next week. adriana. >> diaz: danya bacchus, thank you. the u.s. is under mounting international pressure to do more to help countries struggling with covid surges. cbs's christina ruffini is at the white house. christina, how is the biden administration responding? >> reporter: good evening, adriana. the administration has authorized $100 million in aid for india, and that includes things like oxygen tanks and oxygen generators, which are so desperately needed. the u.s. also said it will work with indian manufacturers to ramp up their own productions of vaccines, hoping to get a billion doses by 2022. >> diaz: christina, for months now, china and russia have been offering vaccines to countries in need, like in the e.u. and south america. you know, my grandmother in the dominican republic actually got a chinese vaccine. is the u.s. giving up inteional odwilly no dointhe ? >> reporter: look, russia and china have taken the diplomacyt approach with their vaccines, while the u.s. has kind of taken

the airline safety video approach, which is, put your own mask on before helping those around them. however, this week, the biden administration did authorize the release of 60 million doses of the astrazeneca vaccine that's not yet approved for use in the united states. and you know, as more americans get their shots and the domestic demand is less dire, we could see the administration make more of those doses available to partners and allies around the world. >> diaz: love that airline safety analogy. christina ruffini, thank you. there will be more on the pandemic, and politics, of course, tomorrow on "face the nation." among the guests, white house chief of staff ron klain; senator tim scott of south carolina; and former f.d.a. commissioner dr. scott gottlieb. president biden ordered u.s. troops to begin their withdrawal from afghanistan starting today. the taliban marked the day with an attack. cbs's charlie d'agata is in afghanistan tonight. >> reporter: cbs news has learned that today the kandahar

airfield in the south, a key hub in the american pullout, came under rocket attack. a u.s. military spokesman told us, it caused no injuries or damage to equipment. we can confirm that fighter jets from the u.s.s. "eisenhower" conducted a precision strike this evening on a suspected taliban position, destroying rockets aimed at the airfield. the commander of u.s. forces in afghanistan, general scott miller, has warned the taliban, there would be retaliation against such action. >> we have the military means to respond forcefully to any type of attacks against the of attacks against the coalitioi coalition, and the military means to support the afghansety. >>orter: timed to in with the pullout, the taliban released a slick new video showing heavily-armed fighters going through military exercises looking more like state-run forces than a ragtag militia. on the eve of the withdrawal, a suicide car bomb south of kabul left dozens dead, including many

high school students who were staying at a hostel, the latest in a surge of violence ahead of the withdrawal of u.s. and n.a.t.o. forces which officially got underway today. the white house has warned that american forces would be defended with all the tools at their disposal if attacked. that includes deploying b-52 bombers to the region, and sending hundreds of army rangers to afghanistan. today, the afghan national security advisor told us they're expecting an escalation of taliban attacks over the next few weeks, not necessarily against u.s. forces. it's not in the taliban's interests to get in the way of america's exit. charlie d'agata, cbs news, kabul. >> diaz: some marches for workers rights around the world to mark mayday have turned violent. riot police scuffled with protestors in paris, firing tear gas to disperse the crowd. a fight between police and demonstrators in istanbul ended with more than 200 arrests.

hollywood tonight is mourning actress olympia dukakis. ♪ ♪ ♪ >> what the hell happened to you? >> diaz: she won an oscar for "moonstruck," and has had roles in "steel magnolias" and "look who's talking." her brother says she died this morning in new york. olympia dukakis was 89. well, the first of may brings big changes in las vegas. casinos can now operate at 80% capacity. the city was down on its luck during the pandemic this past year, but as anna werner reports, it's betting on brighter days ahead. >> repor >> reporter: it's a welcome sight in las vegas-- tourists, sightseeing on the strip and gambling inside casinos. >> it's great to be out and to be able to see everybody. >> reporter: last year was tough. the number of visitors dropped nearly 40%, gaming revenuelope plunged 43%, and unemployment skyrocketed to a record-breaking 34%.

economic analyst jeremy aguero. >> the pandemic was catastrophic for our community. >> reporter: covid caused shutdowns, forcing business owners to adapt fast. in october, developer derek stevens unveiled the circa resort and casino, downtown's first new hotel in 40 years. you have the remarkable experience of opening your hotel in the middle of a pandemic. and how did that go for you? >> it's kind of funny. i hope myself and my team might be the only people ever to be able to say that. the summer, august, september, october, was pretty busy here. then all of sudden, you know, we had a spike in cases throughout the country, and that slowed things down in december and january. >> reporter: along with the tourists, one-third of service jobs vanished here. bellagio employees sean arthurs and lidia gonzalez say they're glad to be back at work. what's this year been like for'a you? >> it's been like a roller coaster. but now, it's great. >> the strip was a ghost town, and it just made us feel like we wanted to do our little piece to get back to a more normal

existence. >> reporter: vegas still needs convention visitors to fill hotels mid-week and drive profits, and the uncertainty of covid poses a big hurdle. >> if people aren't getting in cars, if they're not getting on planes and coming to las vegas, or don't feel safe or comfortable, that's a problem. it will have an impact on a community that's dependent on 42 million visitors a year. >> reporter: but operators like stevens are stressing the positives. >> i've been in vegas for 15 years. i've never seen the level of bookings, in my business career, like what i've seen the last eight weeks. i don't think there's any question, vegas will be coming back strong. it's going to be stronger than it's ever been. >> reporter: like the sign says, las vegas could be fabulous again. anna werner, cbs news las vegas. >> diaz: you know how it goes-- you search for something online, then see an ad on facebook or instagram for that exact item? well, apple is making it harders for apps to track your online activity. but, that's putting apple at odds with companies like facebook.

>> when you're using apps on your iphone, you may start to see this. >> reporter: apple users must now give permission for apps to track your online activity data. before, you could only opt out. >> it's about time! >> reporter: gennie gebhart is with the privacy non-profit the electronic frontier foundation. >> switching from opt-out to opt-in is huge. that is what's going to really make a lot more users opt out of this tracking feature, that wasn't built for users, it was built for advertisers. >> reporter: but companies like facebook and google generate billions in advertising harvesting your data. facebook said apple's move will harm their small business advertisers, and it's about profit, not privacy, even buying a full-page ad in the "new york times." >> being able to track iphone users is immensely valuable, and one of the ways you can see that is the melodramatic indignation from the tracking industry from facebook. facebook is trying to put forward a sympathetic group of small businesses as the beneficiaries of this third-party tracking ecosystem,

when in fact facebook is the one profiting off it. >> reporter: do you see facebook's response as melodramatic? >> absolutely, yes. it's laughable. >> it's going to kill us. it's going to kill us. >> reporter: but for monique wilsondebriano, who was featured in a facebook campaign and owns charleston gourmet burger, the change has already affected sales, and she's had to cut costs. >> it's not about, you know, small businesses, you know, wanting to take away anyone's take away anyone's privacy privacy. all we want to do is really just service ou service our customers better. so, if someone loves hamburgers and they're looking for something that is just awesome,h you know, to make your hamburgers taste better, i would like to show my ad to you. and this update takes that away llinlike reporr: this week, apple c.e.o. timk push privacy as theiiority. should people believe that, or do you think apple has ulterior motives? >> i mean, it's hard to read the mind of an entity, but i think that users should believe that apple is building its brand and staking its reputation on

privacy. >> diaz: now to the fastest two minutes in sports. medina spirit won the 147 147th running of the kentucky derby. about 50,000 people watched at churchill downs, one of the largest crowds since the pandemic. straight ahead on the "cbs weekend news," a computer chip shortage means higher prices for many new vehicles. and using modern technology to restore a gothic wonder. so being diagnosed with advanced non-small cell lung cancer made me think of all the things that i wanted to teach my kids. my doctor said i could start on keytruda, so i did. with each scan, things just got better. in a clinical study, keytruda offered patients a longer life than chemotherapy. and it could be your first treatment. for non-small cell lung cancer that has spread, keytruda can be used for adults who test positive for “pd-l1”, and whose tumors do not have an abnormal “egfr” or “alk” gene.

keytruda is not chemotherapy it's the immunotherapy used to treat more patients with advanced lung cancer than any other. keytruda helps your immune system fight cancer but can also cause your immune system to attack healthy parts of your body. this can happen during or after treatment and may be severe and lead to death. see your doctor right away if you have cough, shortness of breath, chest pain, diarrhea, severe stomach pain or tenderness, severe nausea or vomiting, headache, light sensitivity, eye problems, irregular heartbeat, extreme tiredness, constipation, dizziness or fainting, changes in appetite, thirst, or urine, confusion or memory problems, muscle pain or weakness, fever, rash, itching, or flushing. these are not all the possible side effects. tell your doctor about all your medical conditions, including immune system problems, or if you've had an organ transplant, had or plan to have a stem cell transplant, or have had radiation to your chest area or a nervous system condition. before, i'd think of the stuff i might miss. but now with keytruda, we have hope. living longer is possible. it's tru. keytruda from merck. ask your doctor about keytruda. ask your doctor

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this is a gamechanger, who dares to be fearless even when her bladder leaks. our softest, smoothest fabric keeping her comfortable, protected, and undeniably sleek. depend. the only thing stronger than us, is you. >> diaz: a shortage of computerf computer chips is slowing dow chips is slowing down production of many new vehicles. that means fewer choices at your local dealer, and that is driving up prices. as errol barnett reports, your car is a computer on wheels. >> to some degree, it looks like maybe i'm going out of business. >> reporter: any other year, stephen wade would be worried to see his 40 acres of car dealership space in utah so empty.

instead, he's overjoyed. >> i've had the best year of my history, in my whole life.of m i've had the best year, financially. >> reporter: wade's lucky cards are all thanks to an ongoing shortage of computer chips. you see, it's been more than a century since cars were just four stiff wheels and a chassis. >> the first chevrolet to offer wireless apple car play and android auto. >> reporter: now, they're luxurious comfort machines infused with top technology. but the semi-conducting chips underlying that convenience are also key to computers and wireless devices, for which demand shot up dramatically during the pandemic. >> semiconductors go in virtually everything. and what happened is, when covid hit, i think everyone thought that the demand side was going to decline significantly and, in fact, we saw the opposite. >> reporter: global car makers have been forced to pause or reduce production. ford's f150 and chevy trailblazer are among dozens of popular brands impacted.nd >> we generally see an uptick in

sales starting in may and then july is another big month. >> reporter: jessica caldwell examines consumer trends for edmunds, and says this shortager means you're likely to make concessions on your next car. >> in times in which you have to scale back, you cannot necessarily offer everything to consumers. >> reporter: wade says of all the cars you see on his lots, half are already sold by the time they arrive. now, there is one small silver lining-- wade tells cbs news that you'll get more bang for your buck right now on a trade-in. they're being valued at a bang r premium by as much as 20%, but you're less likely to get a deal on a purchase. it's estimated this chip shortage could last till 2022. errol barnett, cbs news new york. >> diaz: all right, news you can use from errol. still ahead, a 12th century architectural masterpiece, restored using 21st century technology.

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cathedral, scientists have enlisted a 21st century tool 3-d technology.tury cathedral, scientists introduced a digital team from france's national center for scientific research, the c.n.r.s., has been working on-site for the past two years, sifting through the debris and using new techniques to take photographs throughout the gothic structure to draw up 3-d images and plans. phillip dillmann, research director at the c.n.r.s., says that will help the architects understand how the church was built, and how to restore it. >> yeah, a lot of data are hidden inside the materials. and we tried to build a second cathedral, a cathedral of knowledge, actually. >> reporter: livio de luca is coordinator of the digital data working group. >> by analyzing the thousands of locate, into the virtual space, the exact position where each stone is fallen. >> reporter: the scientists are working for future generations, building a library of 3-d images

and plans of the church, then and now. because notre dame isn't just a building, it's an integral part of paris. >> it's a complex emotional thing, actually. i'm a scientist, so i look at i as an object of study. but also it's-- i'm a parisian, so it's part of my city, and i see these monuments every day. so it's a complex feeling. >> reporter: those feelings are widely shared. the fire that ravaged the cathedral and rebuilding efforts prompted almost a billion dollars in donations from around the world.do the restoration is close to french president emmanuel macron's heart. he was at the cathedral on the second anniversary of the fire and thanked all of those working on the site. president macron has again said that he's confident his initial five-year plan to rebuild the cathedral can work, so that this monument will open again to the public in 2024.

elaine cobbe, cbs news notre dame, paris. >> diaz: thanks for taking us to paris, elaine. next on "cbs weekend news," a chicago teacher preps for the race of his life, to help students improve their futures. students improve their futures. more community. but with my hiv treatment,... there's not more medicines in my pill. i talked to my doctor... and switched to... fewer medicines with dovato. prescription dovato is for some adults who are starting hiv-1 treatment or replacing their current hiv-1 regimen. with... just 2 medicines... in 1 pill,... dovato is as effective as a 3-drug regimen... to help you reach and stay undetectable. research shows people who take hiv treatment as prescribed... and get to and stay undetectable... can no longer transmit hiv through sex. don't take dovato if you're allergic to any of its ingredients... do not stop dovato without talking to your doctor,... as your hepatitis b may worsen or become life-threatening. serious or life-threatening side effects can occur,

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not much of a runner. >> when i started, you know, running was just awful.wful for >> reporter: it turns out, he just needed the right reason. >> we're really trying to break the cycle and help kids get out of the cycle of poverty. the jobs are in tech. >> reporter: he's training for a marathon. not for himself-- he's doing it for the students at phillips academy high schools on chicago's south side. >> tomorrow, we'll learn more about banking. as well as identity protection. >> reporter: that's where he teaches. like many under-funded schools, phillips struggles for resources, particularly when it comes to areas like science, technology, engineering, and math, known as stem. >> they don't know what they don't know, so if they aren't exposed to it, they can't say, oh, i would like to pursue that. >> reporter: mancini decided the kids at phillips needed a stem program if they wanted a decent shot at the jobs of the future. >> just got done with my third training run of the week. >> reporter: so, reluctantly, the rubber hit the road. he launched a fund-raising

campaign to raise $250,000 to hire teachers and equip a thinlan was osrathat was canceled by covid. he drew up his own 26.2-mile course through the south side. major companies have signed on as sponsors, all too aware how rare diversity is in technical professions. >> we need to normalize seeing black people and women in stem. >> reporter: carlotta berry is an engineering professor who works to increase diversity in stem education. >> the stem pipeline is really more of an obstacle course, because it's a journey with a lot of detours. diverse teams create the most unique and best solutions.st s >> reporter: every mile down anw dollar raised is a step closer to bridging the disparities in stem education. charlie de mar, cbs news, chicago. >> diaz: good luck, mr. mancini. that is the "cbs weekend news" for this saturday. i'm adriana diaz in chicago. we leave you now with a beautiful shot of the city on lake michigan.

good night. a rallying cry from workers rights necker kleberg ridge and community activist take to the streets across the bay area for made a. i am in san francisco. at today's made a protest events. we will have that story coming up. two shootings on the same stretch of pittsburgh highway two nights apart. we are already talking about red flag warnings for northern california. i will tell you where and when this one goes into effect. thank you for joining us. >> hundreds of demonstrators taking to the streets for what union leaders call the rule of

labor. live with demonstrators in oakland. >> reporter: last time we talked to you we were driving around oakland. they were going past several occasions. let me show you where we are now. we have landed at a house here in west oakland. it has been claimed. it has been taken. similar to what we saw with housing previously in oakland. this is the culmination ofhe even if it is vacant take it. here's the house they have taken. throughout the day late this afternoon the protest rolled around town. hit a couple different locations. sort of pertaining to the labor movement in general. talking about amazon locations. a whole foods location. business that has been in the news for labor issues over the last year. this is a large group