cb s gather in rome for their first in person since the pandemic began. who made the trip and who didn't? cbs news is there. >> reporter: i'm nancy cordes at the g-20 summit in rome, where president biden and other world leaders are trying to make progress on covid, taxes, and climate change. >> sargent: also tonight, vaccine holdouts-- employees nationwide face deadlines to get their shots or lose their jobs. plus, port problems: dozens of ships, billions of dollars in goods, and in this california neighborhood, a real nightmare. nightmare. >> reporter: i'm lilia luciano in the port of los angeles where containers continue to pile up, tingeache f sar: home ster:

w th vetes affairs campus is helping get those who served out of tents and into homes. "eye on earth": cows and methane and a warming planet. our mark phillips in scotland tries to clear the air. and later, a neighborhood rally giving a young girl a special halloween treat. >> we did it 100% for kasey. >> this is the "cbs weekend news." >> sargent: good evening. i'm irika sargent in chicago. adriana diaz is off. president biden arrived in rome this morning for day one of the g-20 summit there, a meeting of the leaders of the world's largest economies. there's an ambitious agenda for the group, ranging from covid to climate change to corporate taxes. and the president has a secondary but equally ambitious goal-- trying to reassert america's leading role in the world. cbs' nancy cordes is traveling with the president in rome. nancy. good evening. >> reporter: irika, the

biggest news out of the g-20 summit today had to do with taxes. the leaders of most of the world's largest countries all embracing a new global 15% minimum corporate tax, designed to prevent companies from moving from country to country in search of lower rates. president biden posed with other world leaders as their host, the italian prime minister, hailed a new tax agreement, suggesting it would never have happened when president trump was in office. >> we faced protectionism, unilateralism, nationalism. >> reporter: president biden has been urging other nations to adopt the measure, which would push the minimum tax for big u.s. companies up from 10% now to a uniform global rate of 15%. treasury secretary janet yellen says it will prevent what many economists see as a race to the bottom that saps countries of

tax revenue. >> one country cuts taxes to attract jobs in foreign firms, and other countries feel they have to match to stay competitive. ask so over decades, corporate taxes have simply fallen around the globe, and the winners from that have been the corporations themselves. >> reporter: president biden also met today with the leaders of germany, france, and the u.k. for what one white house official described as a no-b.s. conversation about restarting nuclear talks with iran after president trump pulled out of a deal brokered by the obama administration. >> when would you like talks with iran to resume? >> reporter: the new global minimum corp rapt tax won't go into effect right away. each country will have to craft its own legislation and pass it. president biden has already inserted the measure into his new "build back better" bill

which was released this week and which he hopes to pass next month. irika. >> sargent: nancy cordes in rome, thank you. tensions are rising across the country over vaccine mandates as unvaccinated workers face deadlines to get their shots. cbs' michael george in new york, where first responders are in the spotlight. michael. >> reporter: irika, good evening. right now, the f.d.n.y.'s vaccination rate is at 77% and the n.y.p.d.'s is at 84%, and that could rise over the weekend, but there's a lot of concern about what happens if thousands of officers, firefighters, and city workers are put on unpaid leave. garbage is piling up in some new york neighborhoods, sanitation crews apparently skipping pickups to protest one of the toughest vaccine mandates in the nation. angry protests broke out this wreak leading up to monday's

deadline. city workers, including police and firefighters, have to prove they're at least partially vaccinated or go on unpaid leaves. >> response times are going to go through the roof. >> reporter: union leaders predict up to 20% of fire companies will close. the mayor says he has contingency plans. >> mandatory overtime, scheduling changes. >> reporter: man date battles are raging in other cities. the los angeles police union is suing over details of the city's vaccine requirement, while in chicago, the mandate for city workers to report their vaccine status survived challenges in federal court and in the city council, where mayor lori lightfoot made an impassioned speech. >> the people that are unvaccinated are playing russian roulette with their life, and they're playing russian a roulee with the lives of their families, their neighborhoods. >> reporter: chicago's police superintendent says fewer than two dozen officers have been placed on no-pay status for refusing to comply. and on friday, the f.d.n.y.

suspended six of its own members for a month after they alleged drove a fire truck to a state senator's office and threatened his staff in protest over the vaccine mandate. irika. >> sargent: michael george, thanks. today, actor alec baldwin addressed the deadly prop gun shooting on the set of his latest film "rust." for the first time on camera, speaking to paparazzi in vermont, baldwin says he's been ordered by investigators not to discuss the fatal shooting, and that he's cooperating with them. >> it's an active investigation in terms of a woman dying. she was my friend. she was my friend. >> sargent: baldwin did say he fully supports tightening up safety measures and possibly banning real guns and live ammunition on movie sets. three people were killed when an amtrak train crashed into their car at a railroad crossing early today. it happened in north charleston, south carolina. a fourth person in the car was hospitalized bit no one on the train was injured. the crash is under investigation.

the u.a.w. and the john deere company reached a tentative agreement on a new contract today. it covers more than 10,000 workers at facilities in iowa, illinois, and kansas. workers went on strike two weeks ago. john deere is expected to report record profits this year. a massive logjam of cargo sthips off the coast of los angeles continues to snarl supply chains nationwide. it's also clogging up a neighborhood near the ports. cbs' lilia luciano is in san pedro, california, tonight with more. lilia. >> reporter: good evening, irika. to help clear the giant backup, companies will soon be fined for the containers they leave behind, but resident fear that will take the problem from the docks to their doors. as the giant ships idle in san pedro tonight, trucks are rumbling through neighborhoods. >> with the weight of the trucks, you can feel literally the houses vibrating. >> reporter: abandoning massive containers tiananmen kurk.

>> somebody will get hurt, especially the kid. >> reporter: crews are working 24/7 to offload the containers on trains and trucks but there are few places to put them. what is the term right now of the accumulated containers and how can it be fixed? >> there are 80,000 containers sitting there, and many contcontainers are not being claimed. they're stuck. we need to clear all the slow-moving items along the supply chain. >> reporter: nearly 100 ships with more than half a million containers are stuck offshore. once unloaded, they create new problems. neighborhoods are being used for storage. property is being damaged. and trucks are idling for hours. >> they park up the street. you can't get through. it's unsafe. >> reporter: starting next week, officials could begin the process of issuing fines for cargo left on the dock. >> once we clear the backlog, after three or four months, i think we will resume normal operations. >> reporter: the containers and the fines are meant to keep

the supply chain moving. but the residents are saying that they fear that will just bring more traffic into their neighborhoods and turn more of their streets into cargo dumping grounds. irika. >> sargent: such a ripple effect. lilia luciano, thank you. there are thousands of homeless veterans across the country. many live in illegal encampments, but now there's a new push in los angeles to get them housing. joy benedict of cbs station kcbs has the story. >> reporter: it's a part of town known for its waving flags and commitment to service, but it's the stars and stripes along san vicente boulevard that are turning heads, tents inside and outside the v.a. proudly hanging the american flag, men and women proud to be veterans. >> definitely get out of the streets when i was a kid in high school. >> reporter: warren miller joinedded the army in 1973, and he still displays his fatigues, but his home that they hang in has changed over the years.

>> park to park, seat to seat. >> reporter: miller has been homeless for more years than he can remember. today he is living on the lawn of the v.a. he first moved in to a tent here nine months ago. ago. >> how is the a.c.? >> fine, it's fine. >> reporter: and now he has just one of three coveted structures in the care treatment rehabilitation service program that started during the pandemic. >> we were given some emergency authority to allow the veterans to come here and camp on our site. >> reporter: it's become a mini tent city, but with so much more. >> they're able to get meals nearp able to get showers and kind of engage in the case management. >> reporter: chanin santini runs the program. she says the point is to get veterans in the gates and then hopefully somewhere permanent. >> they like the no rules and the sense there's no curfew here. there's case management they have to follow, and as long as they meet with the case managers, they're able to stay here. >> reporter: right now, there are 47 veterans living here on the great lawn of the west los angeles v.a. but they've had about 500 pass through in the last 18 months. right now, it's estimated that 40,000 veterans are homeless

nationwide, and 10% of them are here in l.a. >> we have served over 15,000 veterans this past year. >> reporter: the v.a. is hoping to transition away from tents and more into tiny structures, something that takes money and donations. >> it's survival. >> reporter: mr. miller is about to transition once again. >> i got to take this to the manager. >> reporter: with a new letter and housing voucher from the v.a., he is just weeks from a real home. >> five years. since i had my own place, five, six years. >> reporter: and as he moves out, someone new will move in, and the process begins again as the v.a. hopes to some day find a home for all. who served. joy benedict, cbs news, los angeles. >> sargent: they deserve our help and respect. straight ahead on the "cbs weekend news," how cows are nseling the climate crisis. we'll meet the doctor who lowers his stress by raising tick orree

out early for a special treat. we'll explain.

>> sargent: there's an apparent beef with cattle and their role in warming the planet. methane is the problem, and the world's 1.4 billion cows produce a lot of it, 40% of total global methane emissions. in tonight's "eye on earth," cbs' mark phillips traveled to scotland in search of a solution. >> reporter: cattle grays on the lush green pastures of scotland. the environmentalists will tell you that when it comes to global warming meat, and especially beef, is among the worst foods we can eat, that the methane cows belch out while turning feed into food is a far more powerful greenhouse gas than even the carbon dioxide produced by burning fossil pulz.

but here at the this experimental farm run by scotland's rural college, they think they found a way to change that, because it turns out one cow is not like another. it surprised you when you look add one cow and you thought holy-- holy cow, this stomach content is a lot different than in this cow than it is in that cow. >> there is a huge variation in the stomach. >> reporter: it's all about the stomach-- well, stomachs. cows have four of them. >> we are putting in elsewhere. >> reporter: rainer roehe has been studying the digestive process in cows, and he's found that the microbes in their stomach not only vary from cow to could you be but they determine how much methane the cow produces. a brief lesson on bovine biology is useful here. cows don't actually digest what they eat. the bugs in their gut do. their food mixes with a kind of microbe soup in the rumen-- or first stomach-- and is then rechewed before passing through the rest of the system.

and rainer roehe's work shows that genetics can predict which animals will have the right microbe cocktail to produce the least methane. in other words, you can breathed low methane producing cattle. you can select, you can say that cow, that bull, they have good stomach stuff. you can put them together and make another cow with the same stomach stuff. >> yes. >> reporter: how much less? >> we are predicting we will reduce emissions by 50%. >> reporter: 50%. >> yes. >> reporter: how do they know? they measure it? they put cows in hermetically sealed chambers for three days and analyze the gasses they belch out. and there's another benefit: producing methais actally a waste of energy for a cow. the less they produce, the more efficient they are at turning cattle feed into human food-- win-win. still, a 50% reduction in

greenhouse gas production is not the same as 100% reduction, which is what we would get if we just stopped eating the stuff. a recent study at ox fort university has shown that judged against the nutrition is provides, beef is simply too environmentally expensive. but let's go back to that bucolic scene of those cows grazing on those highland pastures. cattle grazing is arguably the most efficient food-producing use to which these fields can be put because nothing much will grow here, other than grass. and there are lots of other areas of the world like that. as with so much of the environmental argument, there's a lot to chew over. mark phillips, cbs news, scotland. >> sargent: well, still ahead on the "cbs weekend news," we'll meet chicago's punk rock doc back on stage after a frontline covid fight.

>> sargent: the pandemic has put an extraordinary strain on healthcare workers. many are exhausted and burned out. but here, in a suburb of chicago, covid's latest retreat is not only allowing a doctor to recharge. it's allowing him to get back on stage. cbs' charlie de mar has the story. >> reporter: daryl wilson isn't just any doctor. he's a doc star. in the halls of edward hospital outside of chicago, it seems just about everyone knows his name. >> what's up, buddy? >> reporter: he's the e.m.s. medical director, and like so many others on the front lines, the pandemic has challenged him, both physically and emotionally. >> i mean, it's been 18 months of running and the engine's hot. >> reporter: but dr. wilson never really unplugs. refs lug in. ♪ ♪ ♪ in his free time, the white coat goes away, the hair comes down, and the doctor turns punk

rocker. ♪ ♪ ♪ he's the lead singer for the bollweevils a band of friend together since the 90s. they played at riot-fest last month, the big three-day music festival in chicago. it was one of his first live shows at the start of the pandemic, his young daughters right there with him. we spoke with wilson days before the show. you excited to get back on stage? >> oh, god yeah, yeah. >> reporter: how will this performance maybe look different than other performances. >> the energy is still going to be there. i'll be up on stage jumping around. but i mean, getting into the crowds, probably not going to happen. >> reporter: wilson is known for stage dives. that didn't happen at this show. he is still a doctor. >> this is a public health issue. if you're not going to take public health seriously, then i wouldn't be a part of that at all. >> reporter: whether it's with his fans or his patients, he's happy to be the punk rock doc. >> there are not many other

people that do what i do and that uniqueness, being that unicorn is actually pretty cool. >> reporter: charlie de mar, cbs news, chicago. >> sargent: when your kid, your patients and your fans think you're cool, yew made it. when we return more bad behavior on a plane. this time during boarding. we'll explain next.

>> sargent: it happened again on a plane, fists flew between two men while this delta flight was boarding in atlanta. a man allegedly became enraged when the person seated behind him put something in the seat back. nearly 5,000 incidents of unruly behavior have been reported to the f.a.a. so far this year. people from new england to the pacific northwest could be in for a special halloween weekend treat. the northern lights, or aurora borealis. those dancing colorful lights in the sky usually reserved for alaskans or icelanders may be

visible. just look north, and make sure you can see the stars. when we return, it took a village to make sure this little girl wouldn't miss halloween.

>> sargent: finally tonight on this halloween eve, a story of compassion and how one neighborhood got a head start on the fun for a special little girl. here's cbs' jan crawford. >> all right! >> reporter: like most kids, six-year-old kasey zachmann loves halloween-- the candy and the costumes ♪ just a spoon full of sugar ♪ >> she was the best mary poppins you have ever seen. >> ever. >> what was your favorite? >> cup cake. >> a cup cake. >> reporter: but this year, in this maryland neighborhood, halloween was different. >> happy halloween! >> reporter: kasey, a joyful little girl who loves the

outdoors, was diagnosed this summer with brain cancer. >> i got 15 i.v.s. >> 15 i.v.s, yeah, because you have really small veins. >> reporter: after surgery and radiation her chemotherapy was starting just before halloween, so the neighbors helped kasey have her favorite day early. >> everybody was home. everybody had candy. everybody wanted to be there. >> reporter: showing the love and power of community. >> we did it 100% for kasey, not for us at all. but at the end of the day i was just reflecting on just how completely happy i was, and it's been a while since there's just been, like, joy. >> reporter: joy. >> yeah. >> reporter: a good day. >> and it was really great to have that feeling and that good day. >> reporter: a good day a real treat. jan crawford, cbs news, chevy chase, maryland. >> sargent: a strong little girl and a sweet one. that's the "cbs weekend news" for this saturday. i'm irika sargent in chicago. good night.

captioning sponsory ptioned by live from the cbs bay area studios, this is kpix 5 news. breaking news out of gilroy, the shooting investigation underway at the home of the south bay councilwoman. any preparations to ease some masked mandates in the bay area in a couple of days. could things actually be getting back to normal? there are some signs of that. thank you for joining us. we will begin with the breaking news out of gilroy as a halloween party shooting at the home of a councilwoman killed one person and injured three others. we are live at the scene with more on the developing story. >> reporter: the shooting happened around 1:00 this morning, 17 hours after the shooting, police collecting

evidence still. gilroy police have shut down this dead-end street, the house is located at the far end of the street. public records show councilwoman rebeca armendariz lives at the house. we learned that her family hosted a halloween party in the yard last night. the shooting happened roughly around 1:00 this morning. police placed a lot of evidence markers on the ground and are cops on the ground. the gunfire killed one person and injured three others. rebeca armendariz was elected to the gilroy city council last year, her term expires in 2024 . before becoming a councilmember, she was on the planning commission. she declined to do an interview this afternoon but released a statement, i am thankful that my family and i, who live here, were not hurt in this tragedy and i pray for those whose loved ones have been touched by what has occurred. we are getting our full cooperation to the gilroy

police department and our