team. team held a pre-block party. fans had a chance to take photos at different booths. >> now, some people decided to hang out by the stage to wait for a dance and musical performances. there was also a long line to enter the team store to get evalkyrie's merchandise. >> which comes from what opera? >> i don't know. >> wagner, at least i knew something. >> we will have more on that breaking news on yerba buena island ♪ tonight, president biden's campus controversy. on the eve of his commencement speech at historically black morehouse college, protests over the israel/hamas war have divided the community. >> don't want biden, don't want

politics. >> the college president threatening to shut it down. taking aim in dallas, candidate donald trump whips up his base, thousands of gun rights supporters. >> we're under siege with guns and rifles. with your vote i will stand strong for your rights and liberties. in gaza, hope floats. desperately needed food and supplies trickling in on the american constructed bridge. there's no end in sight to the violence and destruction. severe weather threat. high winds, hail and tornadoes in the forecast. we'll show you where and when it could hit. plus, sea lion swarm. what is driving these giants to san francisco in record numbers? later, leader of the pack. the bmx champ leaving the boys

in the dust. >> the thrill, the excitement of the sport, i'm loving it. >> announcer: this is the "cbs weekend news" from washington with adriana diaz. good evening, everybody, i'm in for adriana. we begin on the campaign trail with both presidential candidates on the road and working big crowds to shore up support. president biden arrived in atlanta ahead of his commencement speech at historically black morehouse college and former president trump addressed the national rifle association. in just one month they'll face each other in the first 2024 presidential debate in the key swing state of georgia. nikole killion is there for us. good evening. >> reporter: good evening, georgia is a pivotal battleground for both candidates. president biden flipped the

state in 2020, but multiple polls show him trailing the former president and he's spending a lot of time on the ground courting black voters. in his second trip to the peach state this year, president biden kicked off his latest campaign with a stop at a famed black-owned restaurant in atlanta. >> this election, lots at stake. it's not about me but the alternative. >> reporter: the president making a strong appeal to african american voters who were instrumental in his 2020 win but have shown signs of fracturing support. >> i believe young african americans for the most part are in support of someone in support of the greater good of the community, out of those two candidates, it's president joe biden. >> reporter: he is also facing a commencement speech at morehouse. >> biden, biden, you can't hide. >> reporter: some students and

faculty are protesting his support of the israeli/hamas war. >> he can talk about what he's done for the black community and address the disdain for the actions of israel in gaza. >> reporter: a poll showed trump leading biden in georgia by three points, but a new poll this week has trump up by ten. he drew a contrast with his opponent before gun rights supporters at the nra convention. >> under crooked joe biden everything you stand for is under threat like never before. the second amendment is under siege, the constitution being run through the shredder. >> reporter: they're set to square off in the first debate next month. the biden campaign has rejected trump's request for more debates than the ones scheduled. now to israel, police in tel

aviv used water cannons to disperse protesters calling for the release of all hostages and the resignation of prime minister netanyahu. the fighting has left palestinians with nowhere to run. >> reporter: good evening, with the first truckloads of desperately needed humanitarian aid arriving in gaza from the $320 million u.s.-built floating pier, the violence across the territory north to south is only widening. it's some of the fiercest fighting seen in the northern jabalya site in months. israel said it had dismantled the hamas structure in the north. but says the resurgent hamas are back. but it's in the southern city of

rafah, despite overwhelming pressure including from president biden not to carry out an offensive there, israel is in the tenth day of what it's calling a precise operation. this is anything but precise. enough already, she says, i'm 57 years old, have never seen a war like this. every time the israeli army orders us to a safe zone, it's not safe. the worsening violence comes as the israeli army says it recovered remains of hostage ron benjamin, believed to be killed on october 7th, and the remains of three others were announced as also retrieved. one mother told us the family were told in december there was

strong evidence the 22-year-old had been killed before her body was taken into gaza. and it was difficult to learn her remains had been found but also a relief. how will you honor her memory going forward? >> i want to remember her as the light she was for us and other people. she really believed in peace, ad she told us once there are no bad people, just people that have a bad time. i mean that was what she's said all the time. >> reporter: any kind of peace tragically seems a long way off as ceasefire and hostage release talks in cairo stall and hopes of a deal to end the violence become even more remote. >> despite months of negotiating. thank you. turning now to the weather. a new powerful storm is forming in the middle of the country.

meteorologist molly mccollum from the weather channel. good to see you. >> all is quiet on the "washington post" now, much-needed break from an active pattern. however it's not quiet in the center part of the country. severe weather tomorrow for areas in the central and northern plains. it will evolve in the morning hours but a second and more potent round moves through later in the evening sunday and overnight into monday morning. damaging straight line wind will be the primary concern, also large hail and a tornado threat. we're still in the heart of springtime. the threat moves into monday and tuesday as the system moves across the midwest. we're still in severe weather season. >> thank you. tonight, cbs news investigation reveals how police departments across the country circulate thousands of used guns back into the marketplace, many

of which turn up at crime scenes every year. we partnered with independent newsrooms, the trace and reveal, to bring you the story. as stephen stock reports, a team of our reporters demanded answers that have led to change. >> reporter: flames consume nearly 200 hand guns, once carried by officers with seattle's police department, the destruction required by local law. but elsewhere our investigation showed selling or trading used weapons is common money-saving practice when the police update their arsenals. more than 140 agencies nationwide off-load the used weapons to gun stores which advertise the history as a selling point. >> you end up with quality firearms in really good condition. >> reporter: but some end up in the wrong hands. our partners at reveal had to sue to obtain atf data.

showing in one 16-year period, 52,529 used police weapons were tied to crimes like the fatal shooting of 19-year-old cameron brown in indianapolis. we traced a gun involved back to a sheriff's department in california. >> you sell your guns back. >> ross palumbo sat down with a sheriff. >> once you sell to a dealer, do you have any responsibility? >> no, because the dealer does a legal sale. >> reporter: our stations looked into the local practices. chicago's reporter asked the atf director why the agency won't make the data public. >> as you referred to, we don't make the laws, we follow them. >> that's uncomfortable to hear. >> reporter: cbs colorado

surprised a sheriff with the data. >> i appreciate you bringing this to our attention, we want to do what is in the best interest of the republic. >> reporter: and in minnesota, the reporting led to the chief banning the sale of used weapons on the spot. >> going forward we're not going to sell weapons at all. >> you're changing policy as a result of learning this from our story? >> from you, yeah. >> reporter: the federal law requires atf and all federal agencies destroy their used weapons, but the atf tells us a similar sweeping mandate for local law enforcement around the country would be up to congress. stephen stock, cbs news, dallas. straight ahead on the "cbs weekend news," tiktok on the clock. how users are fighting to keep the company from being banned in the u.s.

social media giant tiktok warns it's going to go dark in the united states eight months from tomorrow if the new law isn't overturned. it requires tiktok be sold by its china-based owner or face a ban in america. as cbs's scott mcfarland reports, the battle has shifted with eight tiktok influencers taking their government to court. >> i'm tallia. >> reporter: she scores huge audiences with short videos. >> i like the second part of the song, giving r&b. >> reporter: posting about music, books and lifestyle selections, she would lose a livelihood if she loses tiktok. >> it's 1 of 1 in social media, it's an important platform. as a user, i've gotten so much value out of tiktok.

>> reporter: explaining this recent video. >> five reasons i'm suing the u.s. government. >> reporter: she's one of eight influencers who have sued the attorney general to block the law requiring tiktok be sold by bytedance by january or face a ban, claiming first amendment rights are violated. congress passed the law saying china could use the tethers to tiktok to collect private information or give false data. >> china is at war with us and use tiktok as a weapon. >> reporter: the company says it's impossible to sell it by then. this is at the court of appeals. but maybe not for long. this is a fast track? >> this is a constitutional

confrontation, unavoidable and unmistakable. >> reporter: tiktok has filed its own challenge seeking to stop the new laucw. not a surprise to members of congress. >> i think they'll pull out all the stops. >> reporter: the app's fate could be in the hands of lawyers representing cadet and tiktok as they argue the app should not be swiped away. still ahead, alabama autoworkers vote not to unionize, why the uaw doesn't consider it a total defeat.

the united autoworkers have failed to unionize workers in a

plant in indiana. more than half voted no but the uaw is hailing it as a positive sign. >> reporter: a defeat for mercedes-benz employees who hoped to join the united autoworkers. >> it didn't break the way we wanted it to, but we have to go g back in and work together. >> reporter: the union movement saw opposition from the owner and the governor, kay ivy. the goal was to ensure every eligible team member had the opportunity to participate in a fair election. 66% voted against unionizing. the fact it was close shows uaw is making gains in the south. >> it's very is significant the union got 44% of the vote. that's a strong first-time showing. >> reporter: just last month, uaw scored a big win in

tennessee. volkswagen workers overwhelmingly voted to unionize. uaw president says they're not giving up on mercedes-benz. >> this isn't a failure. >> reporter: uaw has filed unfair labor practices against mercedes-benz, accusing them of intimidating workers leading up to the votes. >> thank you. still ahead on "cbs weekend news," sea lions swarm san francisco's shoreline. what is bringing them to the coast?

a surge of sea lions is thrilling crowds of tourists in san francisco. but what is behind the big boom? cbs's kenny choi went looking for answers. >> reporter: it's an all you can eat seafood buffet for sea lions in the city by the bay.

the massive herd snacking on anchovies, irresistible san francisco treat. > it's very loud and fun to watch them eat and relax in the sun. >> reporter: the barking and blubber slapping is getting louder. the most sea lions seen in the last few years. >> fuelling up for mating season. it's spring. >> reporter: they will soon make the 400-mile trek to the channel islands, not far from the sea lions here at the aquarium of the pacific in long beach. the sea lion surge is a good sign of the strong population and health of the water. while they feast and fatten up, it's straining pier 39's docks. >> these are custom made to support these guys, never had one sink or capsize yet. >> reporter: getting put to the test now. >> close to the maximum for sure. >> reporter: the sea lion

overload is a boom for businesses, with tourists crowding the pier to watch the playful animals before they swim off for the summer. kenny choi, cbs news, long beach, california. when we return, proof that getting older doesn't mean getting slower.

after a 38-year absence sfr competing, motorcross racer shows us that age is just a number. in the championships she came in second in the 40-plus category, leaving a bunch of boys in the dust. she has no plans to ease off the pedals at this point in her life or career. >> reporter: out of the gate, sarah jane nicholls zips around

the track in the blink of an eye, competitive spirit drives her forward. what makes her special isn't she gives the boys a run for their money but rather she's old enough to be their mom. >> the thrill of it, the excitement of the sport, i'm loving it. >> away, and sarah jane off like a train. >> she conquered bmx in the 1990s, rolled to the top of the podium in 1996, hung up the helmet never to compete again. >> went out on a high as british champion. >> reporter: she slammed the brakes when the pandemic brought isolation and menopause. >> i was tired all the time,

irritable. >> reporter: she turned to an old friend and accepted an invitation to check out a track. >> managed to balance, went down, and just the very first time of coming down here, i was -- i enjoyed it. >> reporter: just like that, sarah jane felt like a teenager again. >> it came flooding back. my brain was still -- i was 16. >> reporter: maybe it's just like riding a bike because she's still pretty good, good enough to compete in the world championship. >> you just go, as soon as the gate is dropped, it's all about the adrenaline. you have to concentrate, can't let up for a second on concentration on the tracks because of the jumps, they can be -- they can throw you as well. >> reporter: but these days, she'll tell you dominating the sport she loves isn't the real win, it's the folks she met

along the way. showing us you can get through life's ups and downs no matter your age as long as you keep moving forward. cbs news, andover, england. >> wow. you go sarah jane, we hope you keep going. that's the "cbs weekend news" for this saturday. first thing tomorrow, sunday morning with jane pauley. good night. from cbs news bay area, this is the evening edition. >> you better take a shower afterwards. >> now at 6:00, a wastewater wake-up call. the feds taking san francisco to court over an alarming amount of raw sewage spilling into the bay. plus, a small fire causing major backups on the bay bridge. why firefighters were

having such a hard time getting it under control. but first, how one bay area town honoring the last living survivor of one of the worst tragedies in u.s. naval history. live from the cbs studios in san francisco, i'm brian hackney. >> and i'm andrea nakano. we begin tonight in benicia with a new monument for a world war ii veteran with quite a story to tell. >> john ramos has the emotional tribute and the top secret mission behind the tale. >> reporter: when the pandemic broke out in 2020, the town of benicia began looking for one thing that could bring everyone together, and the more they talked about it, the more it came down to one name -- harold bray. >> from various organizations around town. >> reporter: hundreds of people turned out to christen a new monument with a youthful statue of one of benicia's favorite resident, harold bray. at 17 he shipped out aboard the uss indianapolis secretly carrying the first atomic bo.