research trying to better understand long covid and how to treat it. climate change and other human activity are driving a decline in the bird population, what's being done to reverse it. >> the loss of habitat. john: the under told story of a larger-than-life figure in the new york city gay liberation movement. >> major funding has been provided by. >> consumer cellular's goal is

to provide wireless service that helps people communicate and connect. the team can help find one that fits you. >> with the ongoing support of these individuals and institutions. and, friends of the newshour. this has been made possible is like you. john: former president donald

trump is valerie nothing will drive them out of the presidential race, not even a conviction. flying between campaign speeches, he told politico, i will never leave. on fox news sunday, bill barr said the charges alleging his former boss mishandled assified documents are very serious. >> we have to wait and says -- and see what the defense says and what it proves to be true, but, if even half of it is true, that he is toast. i mean, it's a it's a pretty, it's a very detailed indictment, and it's very very damning. john: there is no legal bar to running for office when you're on trial or as a convicted felon. in ukraine, amidst heavy fighting in the

counteroffensive, forces have taken a village in the southeast and claim -- the humanitarian crisis remains. ukraine claimed russia shall evacuees. the former scottish first minister was arrested and questioned as part of any investigation into the finances of the ruling party. their allegations they misused thousands of dollars. he resigned in february. the chief was arrested in april but was not charged. he was released after being question. her spokesperson says she is cooperating.

the north carolina republican convention voted behind closed doors to censor thom tillis. they said he straight from conservative values on lgbtq+ rights, immigration and gun safety. the spokesperson says he is no apologies. history was made at yesterday's belmont stakes: the victory of the race horse arcangelo made trainer jena antonucci the first woman to win a triple crown race. since 1937, 30 women had tried 47 times to break that glass ceiling without success. also at the belmont park track yesterday: a continuation of the string of horse fatalities. in the track's last race of the day one of the horses suffered fatal injuries. this year, at least one horse died in the undercard of each triple crown race.

novak djokovic one the french open. he is one short of the all-time record. still to come, why two thirds of north american bird species face extinction and the story of a transgender activist. >> this is pbs news weekend from washington. according to government data, more than 100 million people in the united states have had covid. for about 15% who have had the virus, it's meant prolonged symptoms and long covid. physicians and researchers are still struggling to understand a lot of things about the condition.

our digital health reporter has written a lot about long covid. one thing they have had trouble with is defining it. there was a study that tries to step towards definitions. >> researchers in boston surveyed thousands of patients and asked them, what are your symptoms? wh they found was echoing what people are saying about long covid. they whittle them down through infection history, statistical modeling into symptoms they say form the hallmark of long covid. things like brain fog, dizziness. post-exertion malaise. if you get up to walk across the

room it wipes you out. things people used to do without thinking about, now they are exhausted. it points to how transformational this disease is and we are just beginning to understand it. richard schuurs -- researchers are calling it an attempt to form a common language. john: any link between covid and vaccination status? >> they took different survey responses and broke them into four different clusters. looking at types of symptoms and severity. people who tend to have the worst symptoms were those who did not have two vaccine doses and had been infected with covid multiple times. that combination is rough for people who end up with long covid.

john: some experts have reservations. >> one of the big concerns as we are so early in the process. researchers say that a diagnostic tool. they will take the study and dinose someone one way or another. what it does is form a common language around how we can talk about the disease, create clinical trials to better understand treatments and work towards creating diagnostic tests. giving someone a test and saying, do you have this? another things researchers will tell you is they did not use lab data to see if these people did have long covid. it's survey data which has its

limitations, but another step in this process would be, do they have an immune response the suggests they have these disorders? john: you talked to a lot of people experiencing long covid. what did they tell you not only about their experiences and symptoms but getting medical care? >> it has been such a big deal for so many people. one patient to said if you are lucky enough to find a physician who will listen to you, that's going a long way. so many times it's like a round robin of medical care trying to fi someone who will listen to them instead of saying it is in your head and get the care they need. a lot of people describe their care as trial and error. a lot of people go to facebook

groups, they describe the weight as being six months or more. the wait lists support those stories. it's been a story for people, so many of them struggled to just get up and walk across the room much less trying to get transportation or childcare. >> earlier you mentioned looking for antibodies. what is being done to further understand this condition and figure out the best ways to treat it? great question. th is one of the things this study supports, looking at these 12 symptoms, how can we treat those symptoms and design clinical studies that are targeting those symptoms and see what happens when we do. are there areas where we need to do more research, looking at

long covid in pediatric patients, pregnant people. those are part of this broader initiative from the nih which the study is a part of, but there is certainly a long wait to go and patients have been waiting a long way. john: thank you very much. as the climate crisis worsens, so does pressure on wildlife. new research says nearly half of all wildlife species is declining. among the most affected are birds. >> if you are accustomed to the sound of them chirping, you might not realize birds are in trouble. the number of birds in north

america has declined in the last 50 years. it has hit some species harder than others with those in grassland habitats experiencing the biggest drop. joining me now is the director of climate science, thank you for joining us. two thirds of north american species are teetering on the edge of extinction. why is this? >> a lot of the changes we have seen across north america are due to human changes such as loss of forests, so we have seen a lot of habitat loss whi is really affected the birds in north america where they have less habitats than they used to. >> much of this is attributable to climate change? >> we're seeing these two effects working together against

the species. it's making it trickier for birds to find places that have ideal places to survive. we are seen birds trying to find new locations and it's tricky when there is not a lot of habitatecause things have been altered. >> tell us about the role the words play in the ecosystem and the detrimental effects if their populations continue to decline. >> birds are integral to the ecosystem. birds tell us what is happening in the ecosystem, they are tied to changes. birds are important for things like insect control. they help crops survive. they keep insects, they are important for pollination, the

key things we need from pollination brings a special bulls and fruits and they also do other things. blue jays are and ecosystem engineer because when they pull acorns off the ground. they can move those hundreds of miles to build forests. there are important for movements. birds to attend for us and we could lose a lot of ecosystem services. >> talk to about efforts. it helps protect birds so that's been a really important act that has helped birds stay protected within north america as well as the endangered species act to make sure they have the safety they need in the places they live. those are two important federal policies that help protect

birds. a lot of efforts are about keeping birds off of that list. what additional steps would you like to see in terms of preserving these populations? >> one of the biggest things we can do is bring back certain habitats and restoration efforts are going to be key so there are things you can do in your own backyard. one of the things that's most exciting is planng native plants and reducing the amount you have in your backyard. that will provide habitats and food and has a wonderful side effect that plants store carbon in the matter so it helps pl carbon out of the atmosphere and it helps with climate change. it's a win-win to rely on these ecosystems that will benefit birds and help stabilizthe climate.

>> the audubon society has been studying birds for about a century and now you have open source resources for folks including the climate watch program. tell us about that. >> we study how climate change affects birds, we put out of it and 2019 which shows two thirds of birds in north america are at risk so we wanted to track how was happening in real time. this has volunteers across the country go out and look for birds. we're looking at climate change as it's happening. it's not a far-off problem happening with polar bears, we are finding where birds are

changing and this is one of the ways we are understanding climate changes affecting the birds we love. >> talking about species that are endangered but there are some bright spots including the waterfall population is on the rise, pretty ironically. i wondered if you could talk about the grassroots efforts to preserve certain species. >> so wonderful way to make a big difference in the funding coming in through hunter's but anyone can buy a duck stamp. it goes into the system and it helps establish habitats to help water birds do so well. it's a great model to show if we know we need to do, we can make a big difference.

anher great example are the raptors, eagles. those rds were in decline because of the pesticide and there are big efforts to remove that from the system and now those birds have bounceback and we can see them all over the u.s.. it shows that if you know what to do and take action, you can make a big difference. >> thank you so much for joining us. john: now, as far -- part of our hidden history series, we look at contributions that were largely overlooked.

she was known as saint marsha, a central figure in new york city's gay liberation movement, a model for artist andy warhol and an advocate for transgender and homeless youth. marsha p johnson wore many hats, sometimes literally. they were often adorned with plastic fruit or flowers. >> assigned mail at her birth in new jersey, she started wearing clothes made for girls when she was five but felt pressure to stop after being sexually assaulted. as soon she graduated to high school, she fled to new york city with just $15 and a bag of close. there, she dressed as she pleased.

cross-dressing was a crime in new york state and she was sometimes arrested for wearing makeup in public. often unable to find a job, she turned to sex work. she really enjoyed performing in drag. she was part of a drag group and took to the stage in red heels in -- and bright weights. even though greenwich village was the focusoint of gay life, police routinely rated the bars. during a late-night june 1969 raid on the stonewall inn, patrons fought back. the modern gay rights movement in arica was born. johnson, who was 23 at the time has wrongly been credited with throwing the first brick of the uprising. she said she said she did not arrive at the scene until after

the chaos had begun, one of the many transgender women on the front lines because they said they had nothing left to lose. she may not have started the riots but for decades to come she was a key player in the movement that was sparked because many gay and lesbian groups marginalized transgender people. with a longtime friend, she founded street transvestites action revolutionaries. the political collective supported and housed homeless youth and sex workers. during the aids crisis that began in the 1980's, she helped spread awareness and raise money. she looked after six friends and became hiv-positive herself.

in 1992, her body was pulled from the hudson river. police first called it suicide then called it undetermined, and in 2012 reopened the case. she was 46 years old. >> if i die, i hope nobody cries. john: today, her name and legacy lives on. now online, four things to know about the history of the world's ocean. all of that on our website. that is pbs news weekend for this sunday. on monday, the latest on the

indictment of donald trump. thank you for joining us. have a good week. >> major funding has been provided by. >> for 25 years, consumer cellular has been offering wireless plans to help people do more of what they like. our customer service team can help find the plan that fits you. to learn more, visitonsumer cellular.tv. >> can with the ongoing support of these individuals and institutions. this program was made possible by the corporation for public broadcasting and by viewers like you. thank you.

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