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on, and so does she. eo>> parple ike le, "wow, if i could do what you're doing, i would do it." this is the "cbs evening news."

think of your worst nightmare, and there it is-- no power anywhere in puerto rico. no water. we have the reservoirs of drinking water have been depleted. diesel is very quickly running out. >> reporter: already, residents are trying to cope without power. outdated and fragile, most of puerto rico's power lines are above ground, no match for maria. some families resorted to cooking outside. is this all one family? a flashlight was their own source of light. ricardo ramos runs the island's power company. what are we talking, weeks without power or months? >> i think we're going to be talking about months. if we go back to history under hurricane hugo, it took six months to restore power to everyone. >> reporter: at this san juan orphanage for girls, food and water are running out. sister betty arana: "we want to give them everything they need, but without food and

already, $74 billion in debt, the challenge of rebuilding for puerto rico will be daunting. >> they are going to get worse. they are going to get worse before they get better. >> reporter: there is an urgent situation developing tonight on the western side of the island in guajataca. the national weather service tells cbs news there is a dam that may be failing, affecting about 70,000 people who live in two different communities. we're told that buss are being brought in to evacuate people right now. anthony. >> mason: david begnaud in san juan. thanks, david. three days after a devastating earthquake shook mexico city, the death toll continues to climb. nearly 300 are dead, but some feared lost are still being pulled alive from the rubble. manuel bojorquez has one survivor's story. >> reporter: trapped under tons of debris for more than 24 hours, this was the moment rescuers first made contact with a woman named

barely visible. "move your hand," the rescuer says. "can you hear me? there you are." the woman, a human resources worker, was at her office when the earthquake struck tuesday. "we'll get to you," he says. "hold on." rodrigo heredia chia is one of the thousands of amateur search-and-riskue workers who have trained for this type of disaster. what did you hear down there? >> "i'm here." just, "i'm here." >> reporter: people saying, "i'm here." >> yes. shocking, you know. >> reporter: shocking? >> yes, shocking. >> reporter: twice they had to leave paulina for their own safety as the rubble became unsteady, making the space even titler. >> the space was not much that three centimeters, something like that. >> reporter: so about a foot. >> yes, yes, like, yes, a foot, something like this. we were very, very tight. >> reporter: they had to burro

cables to attempt to pull her to safety. now wearing a hard hat and six hours after they first found her, paulina was rescued. what does it represent for this country? >> hope. >> reporter: hope. a bit of good news. >> yeah. ( applause ) >> reporter: that all unfolded in the office building behind me. surprisingly, paulina was not seriously injured. she's one of about 60 people now here in mexico city who have been pulled from the rubble alive, and as hopes diminish of finding others, crews say they are not ready to give up just yet. anthony. >> mason: a bit of good news. manuel bojorquez. thanks, manny. the latest republican plan to replace obamacare is in danger of flatlining, and once again, the fatal blow may be a "no" vote from senator john mccain. here's chief congressional correspondent nancy cordes. >> it's got to be done in

normal process. >> reporter: that was john mccain when he voted no on the last health care bill. today, he cited the same reservations, saying he could not "in good conscience vote for the graham-cassidy proposal. i believe we can do better working together, republicans and democrats." republicans were hoping mccain's close friendship with one of the bill's authors would sway him this time. >> i love him to death. >> reporter: but this latest g.o.p. repeal effort has been just as rushed as past attempts, leaving g.o.p. senators, like colorado's cory gardner... >> trying to get some more information on it. >> reporter: ...scrambling to figure out what it would mean for their states before next saturday's vote deadline. do you think you're going to be able to get as much information as you need by next week. >> we're working with the staff of bill cassidy and lindsey graham. >> reporter: it would block some of the obamacare's funds to the state so they could set up their own coverage systems. but independent analyses show

health care funding to about 35 states, most of them states that expanded medicaid under obamacare. five states stand to lose 30% or more. with mccain and kentucky's rand paul opposed, g.o.p. leaders can't afford to lose another senator. so today, the vice president turned up the heat on maine's susan collins, appearing at the white house with her state's governor to push the plan. >> this is not just a fresh start for america on health care reform, but it's also a fresh start for maine. >> reporter: but collins was a no before and appears to be leaning no this time because of what the bill could mean for medicaid recipients and people with pre-existing conditions. so, barring some major change, anthony, this bill, viewed as the g.o.p.'s last, best chance, is poised to meet the same fate as its predecessors. >> mason: nancy cordes. thank you, nancy. a california family is trying desperately to bring a relative to the united states from vietnam to save

but the u.s. government is saying no. carter evans has the story. >> reporter: diagnosed with an aggressive form of leukemia in february, 61-year-old helen wen is fighting for her life, in more ways than one. how long does she have? >> we're taking it day by day. every day with her is a gift right now. >> reporter: yvonne murray and her sister sharon adams say the only hope for their mom was a stem cell transplant, and their mom's sister is a perfect donor, a 100% match. she lives in vietnam, so doctors wrote letters urging the u.s. consulate to grant her an emergency medical visa saying, "time is of the essence." so everything is lined up. >> everything except for the visa part. >> reporter: the sister's visa application has now been denied four times. in a statement, the state department tells cbs news it is unable to discuss

cases. why was she denied? >> they were afraid she would overextend her visa and stay in the u.s. illegally. >> reporter: helen wen's husband fought with american forces in the vietnam war. the family emigrated to the u.s. in 1991 under a program for former military officers. they're all now u.s. citizens. >> i feel a little bit heartbroken because my own government is the one that's preventing this whole thing from taking place. >> reporter: even though helen's condition has deteriorated significantly since the visa was first denied this summer, her family is not giving up hope. >> all she asks for is another two to five years so that her grandkids will remember who she is. >> reporter: carter evans, cbs news, irvine, california. >> mason: the supreme court next month takes up the constitutionality of president trump's ban on citizens from six mostly-muslim countries. the ban is set to expire this sunday, and

margaret brennan has more about that. margaret. >> reporter: well, until the president makes a decision, countries won't be notified as to exactly how these new travel restrictions will impact people. but what we do know is that the new rules go into effect after the existing six-country travel ban expires this sunday. now, potentially affected countries were notified in advance so they could update their security standards, and only around eight or so countries either refused or were unable to comply. so now the president has to decide who remains on the list and whether there are any exceptions-- people already in transit or with valid visas won't be blocked from entering the u.s., but those applying for new visas will be impacted. the trump administration really wants to avoid the type of chaotic roll-out that resulted from its first travel ban which totally blocked people from a number of

countries. and, anthony, this time the a.c.l.u. say they fear this is just a third attempt at a muslim ban, and they are going to scrutinize the language that the administration uses to justify this. remember, this could have some influence on that pending case before the supreme court. >> mason: all right, margaret brennan, thank you very much, margaret. an army black hawk helicopter was hit by a drone today as it flew security for the u.n. general assembly in new york city. the helicopter, from the 82nd airborne division, was struck over staten island. it's not known who was operating the commercial drone. the black hawk landed safely in new jersey with a damaged rotor blade and dented windshield. an iraqi teenager was charged today with attempted murder in connection with last week's london subway bombing. the attack injured 30 people. 18-year-old ahmed hassan is accused of planting a bucket bomb made from materials he orde

also in london, it is uber and out. the city said today it will not renew the ride-hailing company's license. uber has 21 days to appeal. here's jonathan vigliotti. >> reporter: didier ndjiki is among the 40,000 uber drivers whose future is now unclear. you just recently bought this car, and without uber now, you're going to struggle to pay it back. >> reporter: uber has grown to 3.5 million customers here in about five years, cutting into the market of the city's famed black cabs, which date back to 1634. >> before i wouldn't get a black cab, generally, because i just found them very expensive. when uber came, it was like, oh, okay. >> reporter: the city's transport authority said it had concerns about uber's lack of background checks on its drivers, as well as how the mp

of sexual assault. but according to police, there were two sexual assault complaints against uber in 2016, the same number as black cabs. black cab drivers have fought against uber since it moved to europe. they say uber is under-regulated and will put them out of business. >> our money's been cut, not by a lot, by about 10%, 20%, but it's been affected, yes, most definitely, yeah. >> reporter: vincent foster has been driving a cab for 38 years, and says today, he's celebrating. >> oh, i'm going to take the day off. i was going to form a party. i was going to go to the pub. >> reporter: in a statement, uber says the city chose to side with a small group of people that wanted to limit consumer choice. uber will challenge this decision in court. already, more than 300,000 people have signed an online petition to keep uber on the road. anthony. >> mason: jonathan vigliotti with

thanks, jonathan. coming up next on the cbs evening news, the results of the largest study ever on the benefits of exercise. and later, steve hartman with a trumpeter who's playing for keeps. your brain changes as you get older. but prevagen helps your brain with an ingredient origin dallyveiscored... in jellyfish. in clinical trials, prevagen has been shown to improve short-term memory. prevagen. the name to remember. with some big news about type 2 diabetes. you have type 2 diabetes, right? yes. so let me ask you this... how does diabetes affect your heart? it doesn't, does it? actually, it does. type 2 diabetes can make you twice as likely to die from a cardiovascular event, like a heart attack or stroke. and with heart disease, your risk is even higher. you didn't know that. no.

ho have type 2 diabetes and heart disease. jardiance is the only type 2 diabetes pill with a lifesaving cardiovascular benefit. jardiance is proven to both significantly reduce the chance of dying from a cardiovascular event in adults who have type 2 diabetes and heart disease and lower your a1c. jardiance can cause serious side effects including dehydration. this may cause you to feel dizzy, faint, or lightheaded, or weak upon standing. ketoacidosis is a serious side effect that may be fatal. symptoms include nausea, vomiting, stomach pain, tiredness, and trouble breathing. stop taking jardiance and call your doctor right away if you have symptoms of ketoacidosis or an allergic reaction. symptoms of an allergic reaction include rash, swelling, and difficulty breathing or swallowing. do not take jardiance if you are on dialysis or have severe kidney problems. other side effects are sudden kidney problems, genital yeast infections, increased bad cholesterol, and urinary tract infections, which may be serious. taking jardiance with a sulfonylurea or insulin may cause low blood sugar. tell your doctor about all the medicines you take and if you have any medical conditions. so now that you know all that,

that it's time to think about jardiance. ask your doctor about jardiance. and get to the heart of what matters. whstuff happens. old shut down cold symptoms fast with maximum strength alka seltzer plus liquid gels. >> mason: the results are in from what is said to be the largest study ever on the benefits of exercise. researchers tracked the physical activity of 130,000 people in 17 countries. here's dr. jon lapook. >> reporter: atanda musa is a table tennis pro and teach frer nigeria. he understands that every ounce of exertion adds up. even something as simple as just having somebody pick up the ping-pong ball. >> like just put the ping-pong on the floor, just ask somebody picking it up, one by

>> reporter: so you can kind of trick them into doing exercise. >> yes, i do that to my clients. >> reporter: the point is your heart doesn't know or care what activity is making it beat faster. >> yes! >> reporter: whether it's picking up ping-pong balls, doing chores, just walking, or really breaking a sweat, it all helps make i you healthier. anything that gets you moving is helpful, even a gentle game of ping-pong. and the study found the more vigorous the activity, the more protective the effect. the study revealed in countries rich and poor, even light exercise for 30 minutes five times a week can be a lifesaver. with those 150 minutes a week, one in 12 premature deaths could be prevented worldwide, as well as one in 20 cases of cardiovascular disease. yet again, a large study is showing how important exercise is. i know we doctors sometimes

anthony, i can't imagine we're ever going to change our advice to get up and around. >> mason: i'll be walking home from work tonight, jon. thanks. and dr. jon, you play a mean game of ping-pong. coming up, what's being done to protect baseball fans from foul balls? and we came up with a plan to help reduce my risk of progression, including preservision areds 2. my doctor said preservision areds 2 has the exact nutrient formula the national eye institute recommends to help reduce the risk of progression of moderate to advanced amd after 15 years of clinical studies. preservision areds 2. because my eyes are everything.

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>> mason: the cincinnati reds, san diego padres and seattle mariners say they'll extend their stadiums safety netting before opening day next year. at yankee stadium this week a toddler was hit in the face by a foul ball, traveling more than 100 miles an hour. she is still in the hospital. in 2015, the commissioner's office suggested that teams install netting from behind home plate up to the dugouts. only 11 of 30 teams have done that. first lady melania trump got to the root of some white house leeks today. they were among the vegetables she and a group of children, school children, harvested from the

michelle obama. mrs. trump told the kids she's a big believer in healthy eating and intends to keep the garden. which brings us to this story. when general mills switched to natural flavorings and colorings for trix cereal last year, rabid fans complained. they missed the fake fruity taste and bright colors. so now the company says it is bringing back classic trix with the artificial colors and flavors that look and taste real good. steve hartman is next with the leader of the band.

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or a bowel or gallbladder blockage. pancreatitis may occur and can lead to hospitalization and death. if you are taking viberzi, you should not take medicines that cause constipation. the most common side effects of viberzi include constipation, nausea, and abdominal pain. stay ahead of ibs-d with viberzi. find fast relief behind the ncounter with claritin-d. strut past that aisle for the steroid free allergy relief that starts working in as little as 30 minutes. and contains the best oral decongestant. live claritin clear with claritin-d. >> mason: we end tonight with a woman who's living the dream. steve hartman met her "on the road." >> okay, guys, i'm going to read a story. >> reporter

reading teacher dawn west is a joyous person, always has been. but she says the very happiest days of her life were the ones spent as a member of the west virginia university marching band. looking back at old pictures, all you see is ecstasy. for dawn, it was a dream come true. in high school, she saved her baby-sitting money to buy a trumpet and taught herself to play, hoping just to audition for the band. >> i remember saying, you know, i may not make it in, but i gave it my all. so. >> reporter: still emotional now. >> it is. it really is. >> reporter: obviously, she did make it in. but what's even more amazing is that she never left. betrayed only by a few tufts of gray hair, dawn may look like any other band member, but she is the oldest by a generation. in fact, the kids call her "grandma." although, they also say it's not a very fitting nickname. >> dit

youthfulness. >> reporter: youthfulness! >> oh, yeah, that's the best way to describe her. >> yes! >> reporter: they say she much more like a senior classmate than a senior citizen. >> you got this! >> reporter: she's got to slow thing down,,000. >> actually it's the opposite. she's usually the first one back in position. i pointed her out and told the younger ones, "do what she's doing." >> reporter: after 35 years, grandma-- who actually has no children and never married-- hasn't lost a step or an ounce of passion. >> i've never lost that excitement for game day. >> reporter: but they don't just let people stay in the band forever. >> i was in school full time. >> reporter: it sounds expensive. >> it was. i was getting loan after loan. >> reporter: and all thiss was just to be in band? >> to be in band, yeah. >> reporter: eventually, after taking so many classes she didn't need, the university now lets her just take band, paving the way for what seems to be dawn's destiny, as america's

i can't figure out if i should tell you grow up or if i should just be jealous. >> people have told me that. many people have said it. and then other people are like, "wow, if i could do what you're doing, i would do it." >> reporter: a lot of us can look back on our glower days, but wouldn't it be nice to forever look forward to them. steve hartman, "on the road," in morgantown, west virginia. >> mason: nah, never grow up. i love a parade. that's the cbs evening news. coming up sunday, the 50th season premiere of "60 minutes" with stories from scott pelley, lesley stahl, and oprah winfrey. i'm anthony mason. i'll see you first thing tomorrow on "cbs this morning saturday." thanks for watching. good night.

two nights ago a 16-year- old was killed in northeast washington during an attempted robbery. his name was zaire kelly. weigh as senior at thurgood marshall academy. from all evidence he was going places. great student. track star. played little league football. zaire was hoping to go to florida a&m university. tonight people in the community, his family, friends, and city leaders are suffering the loss of this young man. we have got a panel here, and we are going to talk about this because we are getting tired of talking about this. we've got henry hughes, julian ransom, lawrence lucas. this man was a member of the