has recovered and is ready to go back home. >> wow. >> now you can say that. s >> how much did you like the memo? >> glor: addressing allegations of political bias at the f.b.i. meanwhile a trump speechwriter resigns over accusations of domestic abuse. also tonight, storms dump snow, ice, and rain from texas to new england. in south korea a carefully choreographed diplomatic dance unfolds on the sidelines of the winter olympics. the war in syria escalates. israel launchaise large-scale attack on iranian targets. an israeli fighter jet is shot down. and a banner day at the miami

zoo for some stars and stripes. an endangered species of zebra gets two new members. this is the "cbs weekend news" >> ninan: good evening. i'm reena ninan. the commander in chief took on the role of editor in chief today, ordering democrats to send him a rewrite. president trump refuses to release a classified memo from adam schiff, the ranking democrat on the house intelligence committee, unless revisions are made. the democrats' memo is in response to republican allegations of anti-trump bias in the russia investigation. in another development, one of the president's speechwriters has resigned over abuse allegations. here's errol barnett. >> mr. president! >> reporter: this morning, president trump warned about false accusations after two white house staffers lost their jobs amid allegations of spousal abuse. tweeting, "people's lives are being shattered and destroyed by a mere allegation. there's no recovery for someone

falsely accused." speechwriter david sorensen, who denies allegations he abused his spouse, resigned friday, two days after staff secretary rob porter stepped down, over allegations of spousal abuse. >> he says he's innocent, and i think you have to remember that. >> reporter: the president defended porter amid controversy over how he was able to keep a job overseeing sensitive information without permanent security clearance. >> he did a very good job when he was in the white house. >> reporter: porter told white house counsel last january his background check for a security clearance might reveal unflattering information, and last november, porpter told chief of staff john kelly his ex-wives were making accusations which he denied. but it wasn't until wednesday when pictures surfaced of one of poart's ex-wives with a black eye, that the white house took action. the president also faces another controversy after block the release of a democratic rebuttal to the g.o.p. memo, alleging the

f.b.i. abused its surveillance powers during the russia investigation. this morning, the president blamed the authors for his decision. "democrats sent a very political and long response memo when they knew would have to be heavily redacted." but adam schiff, the committee's ranking democrat, defended the document writing the f.b.i. acted properly in seek a fisa warrant on carter page." it was just last week president trump released the g.o.p.-drafted memo despite objections from the f.b.i. and the department of justice. democrats are figuring out their next move, with senator richard blumenthal describing the president's decision as "evidence of obstruction of justice happening in real time." reena. >> ninan: errol barnett at the white house. thanks, errol. the flu is now widespread in every state but hawaii and oregon. 63 children have died so far this season. brook silva-braga has more on the outbreak.

>> reporter: jenna libidinsky was just 24, the type of healthy, young adult who can usually ride out the flu. instead, this week she died in a las vegas hospital. the c.d.c. reports this flu season now match the intensity of the swine flu epidemic of 2009. >> we haven't seen the peak yet, and we don't know when that will occur. >> reporter: dr. anne schuchat, the acting director of the c.d.c., says immediate treatment is important not only for children but also for the older and less-resilient patients who die from the flu in shockingly high numbers. >> in a bad season, like 2014-15, 56,000 americans died from flu. we're on track right now to likely reach that level and potentially exceed it. >> reporter: she urges people to get their flu shot and stay home if sick. but at doctors' offices like this one in dallas, they used up the rapid flu test. >> we're running through them

like water. >> reporter: the flood of flu has also outpacedly the supply of the antiviral flu treatment. some pharmacies have run out. in an effort to prevent more people from getting sick, researchers from columbia university are suggesting public spaces install special ultraviolet lightbulbs that kill the virus but are safe for humans. hospitals like this one in arkansas already use sterilizing u.v. robots. some sought timeless remedies-- orange juice sales are up for the first time in nearly five years. the flu is getting credit. last week, one out of every 13 doctors' visits was for flu symptoms. that's according to the c.d.c. and, reena, here in new york city, health officials now confirm a third pediatric death linked to the virus. >> ninan: brook silva-braga. another wave of snowstorms is hitting communities from the great lakes to the northeast this weekend. volunteers cleared sidewalks in chicago today. the city got about 10 inches yesterday and a few more inches

today. in larwill, indiana, an s.u.v. went for a spin through an icy intersection. the driver wasn't hurt. further south, heavy rain flooded the streets of houston. rain and fog are in the forecast along the 1800-mile stretch from houston to boston. the first medals of the winter olympics were awarded today during the first full day of competition. the host nation, south korea, won its first gold medal of the games, taking the men's 1500-meter shorttrack speedskating event. about 80 miles from the olympic village in pyeongchang, there was a possible diplomatic breakthrough between south and north korea. holly williams is in seoul. >> reporter: in the presidential palace in seoul today, another sign of the thaw between north and south korea. president moon jae-in of south korea welcomed this woman, kim yo-jong. she's the sister of north korea's enigmatic dictator kim jong-un and the first member of north korea's ruling dynasty to

step foot in south korea since the two went to war in 1950. after a spate of north korean missile and nuclear tests and a war of words between the regime in pyongyang and the u.s., president moon wants to kickstart talks. today, he was rewarded with an invitation to the north for a summit meeting. another sign of the warming came on the ice as a unified korean women's hockey team, with players from both north and south, competed against switzerland. it follows yesterday's opening ceremony, where koreans marched together, though vice president mike pence appeared to deliberately avoid all contact with the north korean delegation while sitting just a few feet away. some here in south korea say the olympics have been hijacked by politics. angry protesters clashed with police in seoul today. they accuse president moon of appeasing the north korean

regime. "we're very upset," said this man. "south korea organized the pyeongchang olympics but now they've become the pyongyang olympics." there's been no specific word on when president moon jae-in might visit the north, but it would be the first summit meeting between the leaders of the two koreas in over a decade. the unified korean women's hockey team lost their game 8-0. >> ninan: the war in syria esk laipted today. israel launched a large-scale assault on iranian targets inside syria, and one of its fighter jets was shot down. iran and syria accuse israel of aggression. the u.s. state department blames iran for the escalation of violence. roxana saberi has the latest from our london bureau. >> reporter: the israeli f-16 crashed in northern israel after coming under fire from syria. both pilots ejected. israel says the jet was one of several it scrambled on saturday

after it intercepted an iranian drone that entered israeli air space. israel later carried out more strikes in syria. syria has turned into an international blatle field. a week ago, syrian rebels shot down a russian jet. video released on social media claims to show the pilot parachuting from the plane before he reportedly killed thoims avoid being captured. and over the past few weeks, turkey has launched an offensive against u.s.-backed kurdish fighters in northern syria, claiming they are terrorists. at a hospital in the northern city of afrin, this doctor says every day his team is treating numbers of the civilians injured in the attacks. the death toll is soaring across syria. the u.n. says it's received reports of nearly 300 civilians killed just in the past week, many in air strikes by the syrian government, and many of

them children. u.n. spokeswoman: >> syria has seen seven bloody years, but even by syrian standards, this past week has been grim. it has been shameful. it has been deplorable. >> reporter: complicating the issue-- the u.s. says it launched air strikes against pro-regime fighters on wednesday but in self-defense. the pentagon says around 2,000 u.s. troops are in syria helping in the fight against isis. reena. >> ninan: roxana saberi, thank you for that report. well, communities along the confidential coast are still recovering from last month's deadly mudslides. some who lost their homes are complaining that their insurance companies are disputing their disaster coverage. here's carter evans. >> reporter: the damage from the torrent of mud that plowed into beth prinz's montecito home is extensive, but when she called her insurance company emm u.s.a.a....

>> he said we don't cover this type of exprb that's it. >> how many people are fighting with their insurance companies? is there a particular company? >> u.s.a.a. >> u.s.a.a u.s.a.a. >> u.s.a.a., they're notorious. >> nationwide. >> it is frustrate for homeowners. >> reporter: california commissioner dave jones said most who lost their homes to wildfires were covered while those with with mud damage and no flood insurance are still waiting but state law is clear when one disaster leads to another. >> the indications are that the fires did cause mudslides and they should pay claims. >> reporter: richard wax's home survived the fires but not the mud. when you look at this, what's the rough damage assessment? >> probably $15 million to $18 million. >> reporter: you're expecting this to be covered. >> yes, i am. they think they know it's caused by the fire. >> reporter: some companies are now agreeing to pay claims, including u.s.a.a. in a statement the insurer says it's hired an engineering firm and expects to conclude its

investigation next week. as for beth, after weeks of hearing nothing, the advocate she hired made one more call. >> he said, "our client is going to talk to the news." >> reporter: and you got a phone call this morning? >> they changed their mind and they will cover me now. >> reporter: homeowners may want to review their policies again. authorities say the mudslide loosened up a lot of these bolders in the mountain above, and because of that, it will now take a lot less rain to cause another disaster. reena. >> ninan: carter evans. thanks, carter. coming up next, a terrifying subway attack. a passenger ignites a fireball. later, the winter olympics have just begun, and they've already had a suspected cyber attack.

>> ninan: now some stories we're following in the cbs weekend newsfeed. two police officers were killed in the line of duty today in westerville, ohio, near columbus. police say the officers were responding to a 911 hang-up call when a suspect opened fire on

them. the suspect was arrested. officer eric joering was 39 years old. officer anthony morelli, 54. the chicago transit authority released video of a frightening attack aboard a train. it shows police and transit workers confronting a passenger who poured highly flammable paint thinner on the floor. a scuffle breaks out. the man ignites the fluid, and a fireball erupts. remarkably, no one was seriously hurt. the suspect, charged with aggravated arson and battery, is due in court next friday. it's a banner day at the miami zoo for some stars in stripes. two baby zebras born last weekend made their public debut today. they were endangered grevvy zebra. theatre largest type of creeb of zebra, but only about 2500 remain in the wild. the foals, a boy and a girl, have different mothers but share the same father. up next uber and google reach a settlement in their technology tug-of-war.

>> ninan: uber reached a settlement friday with google's self-driving car company, waymo. john blackstone has more on the technology tug-of-war. >> reporter: in the battle to dominate the future of self-driving cars, uber and google were on a collision course until the brakes slammed on, on friday. in a settlement, uber agreed to pay $245 million worth of company stock to google's autonomous vehicle corporate cousin, waymo. >> good morning, travis! >> reporter: uber's cofounder and controversial former c.e.o., travis kalanick, was the star witness in federal court earlier this week. >> maybe in this case, seeing how kalanick came in was the most important thing, and once they saw that, they kind of both knew where they stood in terms of uber's liable or potential liability. >> reporter: uber agreed it would not incorporate waymo's confidential information or technology into its own self-driving cars. in a statement, uber's current

c.e.o. said, "we are taking steps with waymo to ensure our software represents just our good work." travis kalanick released his own defiant statement, "no trade secrets ever came to ooub," and "had the trial proceeded to its conclusion, it's clear uber would have prevailed." a waymo spokesperson said, "we are committed to working with uber to make sure each company develops its own technology." >> i think this case was bad publicity for both of them, and they wanted out of it as fast as possible, and probably would have liked to have aroided the trial all together. >> reporter: at stake in the leading role for market of self-driving cars that can now move out of the courtroom and back on the road. john blackstone, cbs news, san francisco. >> ninan: still ahead, the winter olympic's opening ceremony possibly hit by hackers. what's being done to prevent cyber attacks.

>> ninan: officials in south korea are investigating a security breach at the winter olympics opening ceremony. a spectator managed to slide down the ramp leading to the olympic flame and wandered around the stage during a performance. he was taken away by security. meanwhile, olympic organizers are investigating a possible cyber attack on their internet and wifi systems before the opening ceremony. there were no serious problems, but officials are concerned that the games could be targeted again by hackers. jeff pegues has more on this. >> reporter: the most pressing threat to the winter olympics may be one that these south koreaian security teams can't see. >> it's got political importance. it's got a lot of money. that draws hackers like flies to a candle. >> reporter: cyber-security expert jim lewis says hackers

have repeatedly targeted the games. during the olympics in beijing, london, and brazil, there were reportedly millions of attempted cyber attacks a day. some succeeded. >> low level, but scamming tickets, stealing money. >> reporter: this department det of homeland security alert warns travelers to pyeongchang that their mobile devices could be monitored or compromised. one concern in south korea: whether russian hacking units may seek payback for the decision to ban russia's olympic teams from the games amid doping allegations. >> in previous olympics, they've done their usual trick. they hack emails and release things that are damaging to american athletes or athletes from other countries. >> reporter: cyber-security firm threatconnect says a hacking unit with russian ties stalled pawnstorm, recently sent malicious emails to the international ski federation, ice hockey federation, and several other organizations with a stake in the winter games. >> but as far as a direct attack

on the games themselves, it's most likely to come from your non-state actor groups. >> reporter: ross rustici is an expert with cybereason. >> i think the most likely scenario from these types of actors would be able to interrupt a tv broadcast or perhaps interrupt the power during an event, kind of shut down the lights at an ice skating rink, or something. >> reporter: jeff pegues, cbs news, washington. >> ninan: when we return, a high school freshman joins the fight against alzheimer's with an app she calls "timeless."

>> ninan: we end tonight with a story of a remarkable high school freshman who invented an app to help people suffering from alzheimer's. it's called "timeless," and it using facial recognition technology to help patients recognize their loved ones. here's jim axelrod ♪ ♪ >> reporter: listen to emma yang play the piano.

no surprise she played carnegie hall three times before she was in high school. but her piano skills may take a backseat to her computer skills. >> i started coding when i was around six years old. >> reporter: when you were six. >> yes. >> reporter: you started coding. >> yes. >> reporter: four years later, emma's beloved grandmother, who lived in hong kong, started developing alzheimer's. >> so when i'm on the phone with her, sometimes she's going to ask me the same question over and over again, like, "how are you eating? how are you? and how are you" again. >> reporter: with her ability to code, a.m. had the deal set to deal. >> actually, one of the things i love about app developing and coding is it's really empowered me to do something to help her. even if she is still declining, she can actually still stay connected with me. >> reporter: emma developed "the times," an app using facial recognition technology to remind people with alzheimer's who they're talking to or looking at when sent a picture, or whether they just called someone they're about to dial again. >> so you can take a picture of

you, and it will recognize it through "timeless." >> reporter: so that says my name "friend." >> yeah. >> reporter: so if you needed some help in identifying me, there it is. that's so cool! >> yeah. >> reporter: cole calistra is the chief technology officer at karios.com. they provide the facial-recognition software that powers the app. >> for somebody to have that type of drive at that age is just remarkable. >> yoremarkable. >> you know, it's easy, it's accessible, and it's really convenient, and so i think that this can have the opportunity to help every single person with alzheimer's. >> reporter: if you're not impressed, well, bill gates certainly is. that's a tweet from bill gates. emma hopes to launch "timeless" this summer. after that, tenth grade should be a breeze. jim axelrod, cbs news, new york. >> ninan: love of grandma. what a motivating factor. well, that's the cbs weekend news for this saturday. later on cbs, "48 hours."

live from the cbs bay area studios this is is kpix news. >> should not leave it. >> reporter: corey is talking about being pepper-sprayed. >> he sprayed me in my face, through my tent on me, and then he entitled and kind of laughed and turned around and walked away right on his tent you can see the stains from the spray. that was just the beginning. >> he pulled out a gun on me

and, i mean, i could see it no question. he was like willing to use it. i started running. i turned around. i thought he was going to stop. he did not stop. he was chasing me. >> reporter: this happened on friday. corey says the man into his 50s put letters on his and other tents camped out near the skate park been dubose avenue. it says, attention junkie blank, we will pound you, burn you, and blank you up if you are within 100 yards of this park after sundown tonight. signed the neighbors. after reading the letter, corey got into an argument with him. that's when the man pepper- sprayed him and pulled out the gun. >> i am terrified. >> reporter: the homeless says the man lives near the state park and has in the past harassed them. i couldn't find the neighbor who wrote the letter, but other neighbors say threatening the homeless with violence is wrong. some are fed up with