Neighborhood where jazz was born. We knew then we had found something. We struck gold. This is the cbs weekend news. Morgan good evening. Im Demarco Morgan. The nations 41st president was joined today by the 42nd, 43rd, 44th, and the wife of the 45th president in a celebration of life of barbara bush. The former first lady died tuesday at the age of 92. She was laid to rest today at her husbands president ial library in texas beside their threeyearold daughter robin. Mrs. Bushs son, forme florida eovernor, jeb bush, delivered the eulogy, recalling the last time his mother and father were both hospitalized. He came into her room when she was sleeping and held her hand. His hair was standing straight up, he had on the mask to ngprove his breathing. He was wearing a hospital gown. In other words, he looked like hell. laughter mom opened her eyes and said, my god, george you are devastatingly handsome. laughter morgan it was a day of laughter and tears. President george h. W. Bush wore thcks that featured stacks of books in honor of his wifes femmitment to literacy. Bianna golodryga has more on the emotional farewell to a first lady. H reporter some 1,500 invited mourners packed st. Martins episcopal church, where mrs. Bush and her husband attended services for over five decades. Among those in attendance today included the clintons, the obamas, and first lady melania trump. Her beloved husband of 73 years watched as their children and grandchildren remembered the woman who was known as the rock of the bush family and the wife and mother of two president s. A time to mourn and a time to dance. Reporter their granddaughters read from proverbs, including a tearful jenna bush hager. Many women have done excellently, but you surpassed them all. Reporter mrs. Bush selected her son, governor jeb bush, to veliver her eulogy. On behalf of our family, we aant to thank the thousands and thousands of expressions of condolence and love for our precious mother. Reporter he spoke of his mothers deep faith and devotion to her family. Her daughter robin died of leukemia at age 3. Mom, we look forward to being with you and robin and all of ods children. We love you. Barbara bush was the first lady of the greatest generation. Reporter historian and bush family biography, jon meacham, recalled her strength and authenticity. Mrs. Bush was a champion of many causes, including literacy for children and adults. Known as barbara, as bar as mom, as mother as ganny as the silver fox, and as the enforcer. She was candid and comforting, steadfast and straightforward, honest and loving. E reporter the bush family motorcade departed the church for college station. I was just sad to hear that he passed. She had a wonderful life. Reporter mourners waited for hours to salute the funeral procession as it passed by along the route to the bush president ial library. Two days after her death and two weeks early, Barbara Bushs eranddaughter lauren delivered barbaras eighth greatgrandchild, a son by the name of max walker lauren. Barbaras son neil, laurens father, posted on facebook the circle of life. God is good. Demarco. Morgan Bianna Golodryga in texas. Thank you. President trump and north koreas leader have come a long way since the days of exchanging personal insults. They are expected to meet in the aoming weeks, and north korea set the stage for those talks in a big way last night with a nuclear surprise. But is it Real Progress or an empty promise . Heres Errol Barnett. Reporter the announcement by north koreas state media that dictator kim jongun is suspending all Nuclear Tests and dismantling one of the countrys Nuclear Test Sites is being iniled by world leaders, including President Trump, who calls it good news for north korea and the world. The administrations demand that pyongyang get rid of its entire Nuclear Arsenal has not been achieved, but this latest move is a signal kim jongun enu be serious about denuclearization talks. United nations ambassador nikki saey said u. N. Enforced sanctions worked. R the Security Council really came together and was able to enforce sanctions on north korea, isolate them until they had good behavior. And now were seeing theyre rnting to come to the table. L reporter President Trump haid this week he was looking forward to meeting with kim by midjune but wants the summit to be productive. If the meeting, when im there, is not fruitful, i will respectfully leave the meeting. E reporter the summits location has not yet been fhosen, but possibilities include the peace village inside the korean demilitarized zone, a u. S. Naval ship off the korean coast, or neutral locations ranging from singapore to sweden. During their secret meeting three weeks ago, kim reportedly told c. I. A. Director mike pompeo that he is willing to discuss the release of three detained korean americans when he meets sith President Trump. We are, likewise, fighting try diligently to get the three american citizens back. I think theres a good chance of ging it. Were having very good dialogue. Reporter now, twice north orea has reversed and walked back its own pledges to abandon its Nuclear Program. So while President Trump is hopeful, based on this shiuncement, japanese prime minister, shinzo abe, was more muted in saying the offer must be verified and made irreversible before hes hopeful. Demarco. Morgan Errol Barnett with the president tonight. Crol, thank you. Well, President Trump has called the nuclear deal with iran one of the worst deals ever negotiated, and now irans foreign minister says his country is ready to restart its controversial Nuclear Program if the Trump Administration resumes sanctions next month. Heres what he told Margaret Brennan in an interview for face the nation. We have put a number of options for ourselves, and those options are ready, including options that would involve resuming at a much greater speed our nuclear activities. And those are all envisaged options are ready to be implemented, and we will make the necessary decision when we see fit. Reporter youre ready to restart your Nuclear Program if President Trump puts sanctions back on iran, even if the rest of the world says, dont do this . Obviously, the rest of the world cannot ask us to unilaterally and one sidedly implement a deal that has already been broken. Morgan in addition to her interview with irans foreign minister, margarets guests for sundays face the nation also include tom cotton, dianne feinstein, and former new york city mayor mike bloomberg. Chemical weapons inspectors tenally collected samples today at the site of a suspected roemical attack in syria. The team was delayed for nearly a week from entering the town of douma, where dozens of civilians were killed earlier this month. H. St week, to deter future attacks, the u. S. , britain, and france launched missile strikes on chemical weapons facilities in syria. Closer to home, Health Officials have expanded their warning about romaine lettuce. Reey say if you dont know where its from, throw it away. Carter evans has more on this. Reporter the growing outbreak appears to be caused by a particularly severe strain of e. Coli. More than half of those infected have had to be hospitalized. Cbs chief medical correspondent, dr. Jon lapook e. Coli infection of this type can be very serious. And you can have diarrhea which is often bloody abdominal pain, nausea. Reporter eight inmates in an Alaska Prison are the latest reported victims. So far, at least 60 people have been sickened in 16 states. D the fluid loss alone can lead to dehydration, low blood pressure, and can exacerbate kidney problems. Reporter some victims have already experienced kidney failure, and that is prompting the centers for Disease Control to urge people to throw out any type of romaine lettuce they may have. Look at the riskbenefit of throwing away a bag of lettuce that youve paid for, and getting sick. So why take a chance . Reporter although the exact source of the e. Coli hasnt been identified, the c. D. C. Strongly suspects the area around yuma, arizona. Thats where 90 of the nations winter romaine lettuce comes from. Health officials are especially concerned because lettuce is so commonly used in our food. Its in our salads. Its in our sandwiches. Its in our smoothies. Eld as a result of that, its everywhere, and the likelihood of people getting sick is even higher. C reporter the incubation for e. Coli is generally about three to four days. Thats one reason why its hard to pinpoint the source in these cases. Doctors say if you do become sick, its important to seek medical attention right away. Demarco. Morgan all right, thats a good warning there. Carter evans. Carter, thank you. Syracuse university in upstate new york permanently expelled a fraternity today over an offensive video that surfaced last week. It shows members of the Theta Tau Fraternity acting out a racist, homophobic, and antisemitic oath. They said it was a joke. The schools chancellor called their behavior disgusting and increased the punishment today from suspension to expulsion. Missouri governor Eric Greitens was hit with another felony charge friday. There are growing calls for greitens to resign. The governor says hes the victim of a smear campaign. Kenneth craig has the latest ntails. Reporter there was no sign of missouri governor Eric Greitens in public saturday as the republican once considered a rising g. O. P. Star faces his second felony charge during his first term in office. The latest charge accuses greitens of attempting to raise fund for i had 2016 Gubernatorial Campaign by attempting to tap into the database of a veterans charity, a charity he founded. We knew how many people were counting on us to win this election. Reporter greitens, a former tovy seal and rhodes scholar, was already set to go to trial next month for allegedly snapping a nonconsensual photo of a partially nude and blindfolded woman with whom he had an affair before he took office. That womans husband secretly recorded her describing the incident s reporter a report released from a bipartisan house tevestigation detailed accusations of unwanted sexual encounters that included spanking, slapping, and calling her derogatory names. Greitens called a News Conference earlier this month, labeling the claims lies and falsehoods. I want to say again what i have said from the beginning this is a political witch hunt. Reporter the governors attorney released a statement questioning how greitens could ge charged for stealing a donor list from an organization that he built. He called it yet another absurd charge. Morgan this story is far from over. Kenneth craig. Thank you, kenneth. Coming up next, as more states allow recreational pot smoking, police point to growing safety concerns on the road. And later, we pay a visit to the birth place of jazz. But when you experience sudden, frequent, uncontrollable episodes of laughing or crying that are exaggerated or simply dont match how you feel, it can often lead to feeling misunderstood this is called pseudobulbar affect, or pba. A condition that can occur from brain injury. Or certain neurologic conditions like stroke or dementia. Nuedexta can make a difference by significantly. Reducing pseudobulbar affect episodes. Tell your doctor about medicines you take. Some cant be taken with nuedexta. Nuedexta is not for people with certain heart conditions. 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So theyre less concerned with market volatility and can focus more on the things theyre passionate about. Talk with your advisor about shield annuities from Brighthouse Financial established by metlife. Your body was made for Better Things than rheumatiod arthritis. Before you and your rheumatologist move to another treatment, ask if xeljanz xr is right for you. Xeljanz xr is a oncedaily pill for adults with moderate to severe ra for whom methotrexate did not work well. It can reduce pain, swelling and further joint damage, even without methotrexate. Xeljanz xr can lower your ability to fight infections, including tuberculosis. Serious, sometimes fatal infections, lymphoma and other cancers have happened. Dont start xeljanz xr if you have an infection. Tears in the stomach or intestines, low blood cell counts and higher liver tests and cholesterol levels have happened. Your doctor should perform blood tests before you start and while taking xeljanz xr, and monitor certain liver tests. Tell your doctor if you were in a region where fungal infections are common and if you have had tb, hepatitis b or c, or are prone to infections. Xeljanz xr can reduce the symptoms of ra, even without methotrexate. Ask your rheumatologist about xeljanz xr. Dog whatever your dog seresto. Brings home to you, it shouldnt be fleas and ticks. Seresto gives your dog 8 continuous months of flea and tick protection in an easytouse, nongreasy collar. 8 month seresto, seresto, seresto. Morgan a cbs news poll finds 59 of americans think marijuana should be legal. What about the dangers of gal. Ing while high . In colorado, one of the first o,ates to allow recreational pot, 51 driving deaths in 2016 were linked to marijuana. Barry petersen has this story. I just dont want this to happen to somebody else. Reporter barb deckerts oiance, ron edwards, was driving to work on his motorcycle when a driver ran a red light and hit im. Edwards died in the 2015 crash, and according to police, the cars driver had marijuana in marisystem. Do you think the marijuana may have or did contribute to this . Te oh, absolutely. Reporter according to a new state survey of 11,000 anonymous Colorado Marijuana users, 69 said they have driven high in the last year. In some states, driving under the influence of more than five nanograms of marijuana is illegal, but heres the reality measuring impairment is complicated. There is no Science Behind an exact number of impairment. Reporter colorado Traffic Safety resource prosecutor esnnifer knudsen with alcohol, we have accepted ranges of dissipation, and we can kind of tell, you know, one drink equals this. With other drugs, theres no such thing. Reporter you could have three marijuana cigarettes, but it might affect you differently if you are a regular user than if youve come from out of state and this is your first time. Absolutely. Reporter colorado is in the middle of a Pilot Program examining oral fluid testing devices. Knudsen showed us an example. But with no pot version of a imathalyzer to measure marijuana impairment, police must rely on their judgment. John jackson is city manager of Greenwood Village and was the police chief before then. Are you surprised that the science hasnt been developed tot to give that Police Officer ctool at the roadside to check if somebody is impaired . I think my word would be more trustrated, because if Public Safety truly mattered, we would sit down and figure this out. Reporter the same survey that reported 69 of Colorado Marijuana users drive high reveals 10 of drivers said they atink that they drive better high. En the truth of the matter is its unsafe to drive when youre impaired. Alcohol, marijuana it doesnt matter. When you run into the person in the crosswalk, theyre dead either way. Reporter deckert has changed her outlook on other drivers. Are you ever thinking about this, that people are driving sgh . Every single day. And im scared to death of what would happen if i lost one of my children. Reporter barry petersen, cbs news, denver. Morgan still ahead on the cbs weekend news, new Research Points to the longterm benefits of allday preschool. Allday preschool. Heartburn no one burns on my watch try alka seltzer. Ultra strength heartburn relief chews. With more acidfighting power than tums chewy bites. Mmmmm. Amazing. I have heartburn. Heartburn relief from alkaseltzer. Enjoy the relief. Morgan a new study finds that that fullday preschool, as opposed to half day, can lead to higher test scores in the future. Nikki battiste has more on this. Youre going to curve. Ve reporter fiveyearold julissa cruz can write her name, something she couldnt do before coming to Little Lamb Preschool in vineland, new jersey. Par mother, patrina, is a single parent. How much do you pay for julissa to come here . Zero. Reporter students like julissa get free, fullday, highquality education at little lamb. the number 2 reporter new jersey is one of 43 states where some children can attend statefunded preschool at no cost. Seven other states have universal prek, free for all families, regardless of income. Students at both ends of the achievement spectrum benefit, ged benefit substantially, in participating in a highquality prek program. Reporter dr. Bill gormley is sprofessor at georgetowns llcourt school of public policy. He authored a recent study that shows fullday prek can lead to higher math scores and honors courses in middle school. He also says students who take part in a fullday program are less likely to repeat a grade. Thats an important outcome, cicause grade retention is associated with a lot of negative outcomes later on in life. Its more reporter teacher amy tomasso says the benefits of a full day of learning are endless for her students, including julissa. Her math skills, i see a huge difference in her, and a lot of confidence and her selfesteem as well. Reporter what difference have you seen in her . Y her drawing. Her cleaning up after she plays with toys. And her manners. Te reporter if were letting the kids be the judge. If you like preschool raise your hands. Prek is getting an a. Tikki battiste, cbs news, vineland, new jersey. R morgan next on the cbs weekend news, we trace the roots of jazz back to the neighborhood where it all began. Whats the hesitation . Eh, it just feels too complicated, you know . Well sure, at first, but jj can help you with that. Jj, will you break it down for this gentleman . Hey, ian. You know, at Td Ameritrade, we can walk you through your options trades step by step until youre comfortable. I could be up for that. Thats taking options trading from wall st. To main st. Hey guys, wanna play some pool . Eh, im not really a pool guy. Whats the hesitation . Its just complicated. 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And 6 is greater than 1. Flonase sensimist. Morgan w morgan we end tonight in the hig easy. The new orleans jazz and heritage festival, better known as jazz fest, kicks off next friday. Its an annual celebration of louisiana music and culture going back to the 1970s. And, of course, the roots of jazz go back even deeper than. Hat. Mark strassman shows us where it all began. Reporter its a homecoming when jazz is celebrated in the new orleans neighborhood of treme. Jazz was born here. All right, thank you reporter al jackson was, too. So when you hear jazz, can you hear treme in that music . Yeah. Boom, boom, boom, boom. Thats the beat. Reporter and the treme sound. Yes. Reporter a sound that became a worldwide musical language. Jackson, now 72, rediscovered its roots in treme. He was cleaning out the old black Musicians Union hall, hoping to restore it, when he noticed papers the homeless were using as pillows. It was all over the floor, scattered. Reporter you thought you are looking at trash . t we didnt know what we were looking at until i reached down and said, wait a minute. This says 1941. We knew then we had found something. We struck gold. Reporter like this ledger signed by legends who flocked to oreme to perform in the 1940s. Heres one. Thats ella, dizzy, ella fitzgerald. And Lionel Hampton right here nnderneath. Reporter but theres one name most connected with treme louis daniel armstrong. Reporter armstrong, the legendary jazz trumpeter, learned how to play in treme. Jazz historians had believed he left his hometown for good in the 1920s. Original contract, performance 1954. Reporter he was here. He was here. He did come back home. Reporter jackson found even more you play the cheatin game reporter a performance iontract for ray charles before he made it big. Ray charles on that gig earned 50 a night. Reporter 50 a night. A night. Reporter ray charles was playing for 50 a night. Its on the contract. Reporter jackson opened the Treme Petit Jazz Museum last summer to display all these Hidden Treasures in this ntntrifying neighborhood. Is it your hope that all this history will also save tremes future . We are hoping that it will. Reporter jackson improvised psolo to preserve a unique part of american culture. Mark strassmann, cbs news, new orleans. Morgan new orleans, one of americas greatest cities. Thats the cbs weekend news for this saturday. Later on cbs, 48 hours. The news continues now on our 24hour streaming channel, cbsn. Im Demarco Morgan in new york. Thanks for watching. Good night. Leiva from the cbs bay area studios, this is kpix 5 news. Raking news out of the north bay, a fight leads to a stabbing. Tonight, the teenaged suspect is on the run. Good evening, i am juliet. The suspect has been identified as an 18yearold. He has been accused of attacking an 19yearold. The fight spilled into a parking lot. This happened during the afternoon on west circle. Police have the area surrounded with yellow crime tape. They found the victim with stab wounds. Paramedics were not able to revive him. He was pronounced dead at the scene. The deadly stabbing followed a fight at a house party. It is not clear what set it all off. Here is another look at the suspect. The 18yearold is 62. He should be considered armed and dangerous. If you see this car or the suspect, call police. Or 911. A man is dead, and 5 others are hurt after gunfire erupted in center ciscos san Franciscos Bayview district. This happened around third and quesada avenue. One man died and others have life threatening injuries. Across the they appeared to be standing close to each other at the time of the shooting. Investigators do not know if the men knew each other or why they were targeted. Ther