. captioning sponsored by cbs >> o'donnell: breaking news tonight:, nevada decides. for the first time the west weighs in, democrats caucus in the silver state, with bernie sanders holding a winning hand. >> thank you! >> ninan: ...as the rest of the field scrambles. >> we think we're going to have a great day here. >> reporter: senator, how are you feeling about today? >> always feels good. >> ninan: also tonight, new pushback: the white house rejecting claims russians are trying to re-elect president trump. plus, a bus rolls over in california, leaving several dead and injured. new fears and sharp criticism as the deadly coronavirus spreads fast. >> i was so scared. >> ninan: missing children mystery: a tennessee toddler disappears for months, while a mother of two kids missing since september is jailed in hawaii.

meet the unlikely hero making headlines by saving one of america's oldest newspapers. and later, the winter wonderland thrilling and chilling visitors. >> this is the "cbs weekend news." >> ninan: good evening. i'm reena ninan. breaking news tonight: cbs news projects bernie sanders will be the winner of today's nevada caucuses. sanders has a big lead over his campaign rivals, as you can see. nikole killion is in nevada tonight. nikole, good evening. >> reporter: good evening to you, reena. and bernie sanders is touting victory tonight. he seems to be bolstered by a number of factors. according to our entrance polls, he did well with latinos, young people, and independents. >> reporter: vermont senator

bernie sanders with another victory. >> we have to take this president away. >> reporter: nevada democrats appear to avoid iowa's fate, scrapping its problematic app for lower-deck options-- a calculator and worksheet. >> serving just right before them, and it's very transparent. >> last name "a-f." >> reporter: but there was another issue: scattered reports of a lack of volunteers. >> we are short about three volunteers here at this site, but we have a very talented group of veteran, seasoned campaign workers. >> reporter: the first-in-the-west caucus culminates days of early voting, with turnout near 75,000. with voters of color making up more than third of the electorate, state party officials like john summers, insist nevada matters. >> nevada is incredibly important so we can get a candidate that we know can appeal to everyone across the country. >> reporter: many of the candidates aren't even in nevada to watch the results tonight. they've already left and moved on to super tuesday states. reena.

>> ninan: nikole killion in las vegas. thank you. cbs news political correspondent ed o'keefe is in las vegas. so, ed, where do we go from here? >> reporter: well, reena, the campaign moves next to south carolina. palmetto state democrats vote next saturday, and that contest is a critical test for joe biden who wants to get his first win in a state with the largest percentage of african american voters in the early primary states. but in the coming days, you'r going to see candidates campaigning in places like colorado, north dakota, arkansas, texas, virginia, and north carolina, as well. that's because they cast ballots just three days after south carolina on super tuesday. more than 1,300 delegates will be up for grabs across the country, and so now, candidates have to nationalize their campaigns. it will be a critical test, especially for former new york city mayor mike bloomberg, who is only campaigning in those states and has to explain away in the next debate his decision to release three former employees from nondisclosure agreements about comments he made that were offensive. if he can't accrue delegates on

super tuesday, his campaign may go down as the most expensive gamble in american presidential politics. reena. >> ninan: ed o'keefe, thanks, ed. joe biden sat down with "face the nation's" margaret brennan today. after a tough day, biden's looking ahead to a state long considered his primary firewall. >> i feel good about where we are. i feel good about going into south carolina. and i feel good about the kind of support i've had with african americans around the country. >> ninan: you can watch margaret's interview with former vice president joe biden tomorrow on "face the nation." cbs news will cohost the next democratic presidential debate in charleston, south carolina. norah o'donnell, gayle king will moderate, joined by margaret brennan, major garrett, and bill whitaker of "60 minutes." you can watch the debate tuesday at 8:00 p.m. right here on cbs and on our 24-hour streaming network, cbsn. the white house is again pushing back hard on reports that russia is trying to help president trump win re-election. the president calls that

"disinformation," even as he warns democrats to be careful of russia when it concerns the sanders campaign. bofta yimam is at the white house. bofta, good evening. >> reporter: good evening. yesterday, the president denied russian interference in the 2020 election, and now his national security advisor is backing those claims, as seen in an interview on "face the nation." >> so you are saying that it is not, in fact, the u.s. intelligence community's assessment that russia has a preference for president trump? >> i--i have not seen that. >> they're trying to start a rumor. it's disinformation. >> reporter: according to senator bernie sanders, u.s. officials also briefed him about a month ago on russian efforts to help his presidential campaign. >> here's the message to russia: stay out of american elections. >> here we go again. >> the big concern here is that it looks like we have a president who continues to not condemn russia. >> reporter: most recently, acting director of national intelligence, joseph maguire, is out. reports surfaced that his office

and other agencies briefed house intel members about russia's interference in the 2020 election. election. the president says he was the president says he wasn't aware of the briefing, but now trump supporter and u.s. ambassador to germany, richard grenell, replaces maguire. and he's brought in senior national security council staff member kash patel as his deputy. cbs has learned that patel has been mandated to clean house. now, critics say ambassador grenell has no background in intelligence and is just there to appease the president. meanwhile, mr. trump will head to india tomorrow. reena. >> ninan: bofta yimam at the white house. thanks, bofta. well, to california now, where a bus rolled over on the interstate today, claiming at least three lives. it happened in fallbrook, about an hour north of sa diego. more than a dozen people were injured. marin austin has the details. >> it was raining at the time of the incident. >> reporter: twisted metal and broken glass-- all that remained after a deadly rollover on a

southern california freeway. it's unclear if rain was a factor in the accident. witnesses say they saw people flying from the bus before it landed face-down, one wheel detached. within minutes, crews shut down the freeway and began rescue operations. at least 21 passengers were on the bus, mostly adults. 18 were rushed to the hospital. >> i can say for certain that one was dead on arrival. and we know that one died at the scene. >> reporter: firefighters say they could not get to a third person, found dead inside the bus. >> given the terrain and the weather conditions, it's going to take a heavy wrecker and some heavy rescue-type of operations in order to be able to move the bus. >> reporter: rescue teams say several drivers pulled over to try and help any way they could. marin austin, cbs news, los angeles. >> ninan: a remarkable rescue in california today. an elderly couple was airlifted out of a heavily wooded area about an hour north of

san francisco. a search crew heard the woman and man crying for help. the couple, in their 70s, have been missing since valentine's day. today, japan, south korea, and iran reported a sharp spike in coronavirus cases as the world health organization warns that the window for stopping the epidemic is narrowing. globally, more than 78,000 people are infected. nearly 2,500 have died. debora patta is in tokyo. >> reporter: japan has come under fire for bungling the quarantine on board the "diamond princess." the ship is the site of the larnlgtest cluster of infections, outside china. >> i was so scared. >> reporter: the most scathing criticism from infectious disease expert kentaro iwata, who took to youtube to express his outrage over what he saw on a visit to the ship. >> no green zone, no red zone. everywhere could have virus. there was no single professional

infection-control person inside the ship. >> reporter: iwata has dealt with both ebola and sars outbreaks and is now in self-quarantine. >> i'm very scared of getting infection myself, and very scared of infecting my family, too. >> reporter: professor of asian studies at temple university in tokyo, jeff kingston says the government's shoddy crisis management on the cruise ship is of concern ahead of the summer olympics in japan. >> they released all the people who tested negative. this may be an epic mistake on the part of authorities. >> reporter: globally, new pockets of infections have also sprung up, with the most troubling in south korea. the majority of them are linked to a church in daegu. worshipers have been confined to their homes. schools have been closed, and the u.s. military base in the area has restricted the movement of all personnel. debora patta, cbs news, tokyo, japan. >> ninan: this year's flu season is proving deadly for children.

the c.d.c. says at least 105 kids have died. that's the highest number at this point in the season in a decade. health officials say the current flu vaccine is 55% effective in children, and it's not too late to get vaccinated. two people were charged today in connection to the disappearance of a toddler from tennessee. 15-month-old evelyn boswell was last seen in december but was only reported missing this week. police say that a man and woman arrested last night in north carolina will appear in court on monday. officials want to know why evelyn's family took so long to report her missing. an idaho mother whose children haven't been seen since september remains behind bars today. she was arrested in hawaii. jonathon vigliotti is there. >> reporter: lori vallow remained silent, giving no clues about where her children are during friday's extradition hearing in kauai. her new husband, chad daybell, looked on in support. he was questioned by police but not arrested. for months, the couple has been living in hawaii after moving

from idaho where police were looking for vallow's two missing children, j.j. and tylee ryan. kauai police chief todd raybuck: >> so, the last sighting i have been aware of happened in the mainland, and there has been no sighting since. >> reporter: detectives in idaho are also investigating any possible connection between vallow and daybell, and the suspicious deaths of their previous spouses, all happening within months of each other. vallow faces several serious charges: deserting her children and delaying legal attempts to locate them. according to an affidavit, financial records show she hasn't paid a penny in child care since they disappeared in september. jj's autism medication has also gone unfilled. vallow will appear back in court in early march. jonathan vigliotti, cbs news, kauai. >> ninan: words from warren buffet today. in his annual letter to shareholders, the "oracle of omaha," who is now 89, acknowledged he would not live forever. buffet did not name a successor but told investors the company

will be in good hands after his death. it's party time in new orleans. more than a million visitors are on hand for the city's annual celebration of excess. the elaborate cost expiewms floats have taken over bourbon street, leading up to mardi gras this tuesday. straight ahead on the "cbs weekend news," a political junky hunts for history on the campaign trail. don't stop the presses-- the unlikely savior of a small-town institution. and later, a colorado castle made of ice. and it even has slides. e. proof i can fight psoriatic arthritis... ...with humira. proof of less joint pain... ...and clearer skin in psa. humira targets and blocks a source of inflammation that contributes to joint pain and irreversible damage. humira can lower your ability to fight infections. serious and sometimes fatal infections,

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hunt for history to document how campaign 2020 will be remembered. >> that's the question that curators are always asking themselves, trying to think about 50 or 100 years down the road. >> reporter: just like primary season, the quest begins in iowa. >> i'm with the smithsonian, and every four years, we go out in the field and get to primaries, conventions, pick up things that voters are actually doing. >> reporter: from t-shirts to door hangers to talking points... >> oh, great. >> reporter: ...jerry has an eye for what stands out... >> i'm going to get three, but i definitely want one of the "first man" ones. >> reporter: ...and what to bring back. >> weeks after iowa, we meantime again. while this is jerry's first presidential campaign traveling for the smithsonian, but the national museum of history's collection dates back to george washington. >> this is an inaugural button. >> reporter: lisa kathleen graddy, curator of political history, says it was president william henry harrison who popularized campaign swag back in 1840 with this log cabin cup.

>> this is really the genesis of a lot of the kind of campaign material we see now. >> reporter: over the years, the memorabilia spans soap, makeup compacts, colognes, and of course buttons. this room has cabinets filled with them, and their predecessor, campaign ribbons. >> notice, this is a picture of lincoln without his beard. >> reporter: a political history collection of about 130,000 items, only a fraction on display for the public to see, in this case, the eventual presidential nominees. >> bringing it back, we don't know yet what the end of this campaign story is going to be. >> reporter: but back here, many of the other candidates and their slogans live on. >> we think of the campaigns as being very disposable. once a candidate drops, do people even remember them? well, we do. >> reporter: carefully preserved for future generations to sift through, u.s. politics past and present. natalie brand, cbs news, washington. >> ninan: up next on the "cbs weekend news," the daring rescue at one of the country's oldest newspapers.

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hey portal, call kermit. wow! (kermit) fozzie! (fozzie) kermit! (kermit) i sent everyone a portal so we can be together no matter where we are! (animal) ala lala lala lala! (floyd) look, it's going where you go! (janice) i think it's got like a smart camera. (ma bear) how's chicago? (fozzie) ah, great city! but the winters are unbearable! (fozzie and ma bear) ahhhh! (kermit) piggy, it's good to see you. (piggy) you too, kermie. you, too. (fozzie vo) portal from facebook. >> ninan: these are tough days for newspapers. just this month, mcclatchy, the owner of the "miami herald," the "kansas city star", and other big papers, filed for bankruptcy. john blackstone has a story of an unlikely survivor. >> reporter: downieville, california, population about 350, is a gold rush town that in the mid-1800s was home to about 5,000 people. that's when downieville's weekly

newspaper, "the mountain messenger," first rolled off the presses, making it california's oldest weekly newspaper. even mark twain once wrote for "the messenger." for the past 30 years, its owner, editor, and delivery manager has been don russell, a man with a ready laugh... ( laughing ) >> reporter: ...who these days is even happier than usual. >> free at last! >> reporter: in his office, crowded with archives, russell was ready to retire, but nobody wanted to buy the paper. then, carl butz showed up. >> i think i'm going to be the 26th editor in the 166 years. >> and i'm just delighted that i found somebody stupid enough to take it over. ( laughing ) >> reporter: butz, who retired to downieville about a decade ago, canceled a long vacation he'd been planning and decided to invest in "the mountain messenger" instead, even though he had no previous newspaper

experience. >> i thought, god, if i'm going around the world and the paper is gone, i'm going to feel guilty for rest of my life for not stepping up and doing something i think i can do. >> reporter: when you bought the paper, did the headline say something like, "sucker found?" >> "pigeon," i think. >> reporter: "pigeon found." >> pigeon found, yeah. >> reporter: owning "the mountain messenger" means doing just about everything... >> deadline's here are wednesday afternoon. >> reporter: ...as butz learned when russell took him to pick up the paper hot off the presses and start delivering it to newspaper boxes around the county. >> ready to go. >> reporter: why is the paper so important to downieville? >> this past year, the bank went away, the gas station's been closed. you know, the town is, like, dying. >> reporter: butz has no plans to modernize california's oldest weekly newspaper. are you going to have an online edition? >> no. >> reporter: he's not impressed by news posted on facebook. >> i mean, who's going to be looking at those posts that somebody made 50 years from now?

nobody. nobody. but if we put it on but if we put it on paper, it's going to exist. >> reporter: just as all those old files piled up in "the mountain messenger" office still exist. >> there's family history embedded in there, if you're diligent enough to look. a local paper can be something to hold, bind together a community. >> reporter: and maybe to really fill don's shoes, you have to work on your laugh a little bit. >> no, i can't do his laugh, no. ( laughing ) >> reporter: butz may be a pigeon, but he's also a savior. john blackstone, cbs news, san francisco. >> ninan: coming up on the "cbs weekend news," we chill out at colorado's coolest playground. orado's coolest playground. doctor prescribed brilinta.ack,y it's for people who have been hospitalized for a heart attack. brilinta is taken with a low-dose aspirin. no more than 100 milligrams as it affects how well brilinta works. brilinta helps keep platelets from sticking together and forming a clot.

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or make me feel like i'm not really "there." talk to your doctor, and call 844-234-2424. >> ninan: we winter wonderland created from 10 million gallons of frozen water. janet shamlian takes us there. >> reporter: it's like stepping into another world 90 minutes west of denver, in dillon, colorado. >> it's a rainbow! >> reporter: when the sun goes down, this frozen playground is the hottest ticket in town. >> i like it a lot. it's really cool how t >> i like it a lot. it's really cool how they built this place. it's kind of like elsa's kingdom. >> reporter: and there are plenty of little elsas who come to see the tunnels and slides, tall fountains and oversized thrones, all made of ice, 20 million pounds of it. the annual attraction is a

herculean effort, taking about eight weeks to build and hours each day grooming and growing it larger by making thousands of icicles and adding them in layers one by one to the sculpted castle, which stretches taller each week. i just have a feeling, like, oh! is this ice going to come down on me? >> it is-- it is not. it is not. it stays where it is until we close down for the season. we have to bring in heavy equipment. >> reporter: brent christiansen moved from california to utah 20 years ago and started playing with ice outside his home. his backyard creations grew to towering structures of frozen ice. >> i started fusing icicles in formation, and it turned out to be this magic formula. >> reporter: a magic formula that has turned into six ice castle locations across north america, open several months each winter with hundreds of thousands of visitors. how has climate change impacted some of your operations? >> i'm not going to lie. it's been challenging.

we have-- this year has been warm. in wisconsin, for example, they're having one of the warmest years-- warmest winters they've ever had. >> reporter: lighting built into the castle gives it an out-of-this-world, ethereal feel, and it has turned the often-sold-out attraction into a social media lover's dream. >> it's just beautiful how they make it, and i just had to see it. >> reporter: are you going to instagram it? >> of course, i am. ( laughs ) of course! >> reporter: photos like these caught the attention of lo brown, who came with friends to celebrate her 30th birthday. >> i would not have known about it had it not been for instagram. >> reporter: the towering creation and epic experience that just might be the coolest thing in colorado. janet shamlian, cbs news, dillon, colorado. >> ninan: the meltdown may have already started. in wisconsin today, the ice castle actually closed after a record warm winter. that's "cbs weekend news" for this saturday. later on cbs, "48 hours." i'm reena ninan in new york. good night.

captioning sponsor now at six they were lost in the woods for a week. tonight against all odds this couple is safe thanks to a teenage volunteer and a dog named group. a celebration of life for a young woman killed in a landslide. one year ago. responding firefighters meeting her family for the first time. a different kind of test is taking place this weekend and in east bay high school. the results will determine if it is safe for students to go back. good evening. we begin with that amazing story of survival in moran. a couple in their 70s found

alive. after a week in the wilderness. live in inverness. it is the outcome everyone was hoping for but no one was expecting.>> reporter: this is an incredible story of survival in a community coming together to find dismissing couple. more than 400 volunteers were searching for them. they were looking in the woods. they were near the water. somehow they spent 10 to 12 hours each day trying to find this couple. this morning they found this couple and they are saying this is a miracle. by land water and air hundreds of search and rescue volunteers scoured the thick terrain. very thick. we were falling following deer trails as best we could. we were crawling through the bushes. >> reporter: for seven days not a sign of the missing couple. 77-year-old carol kiparsky and 72-year-old irwin kiparsky.

until 18-year-old quincy