there have been over 30 deaths here. >> yes. >> reporter: is that unusual? is that out of the norm? >> if you look at years past, it isn't actually out of the norm. but for our purposes, it doesn't matter. our goal is zero. >> reporter: after the disaster stretch of deaths last spring at santa anita and the voluntary closing of the track, veterinary ondionne benson was hired to oversee new protocols. a team of vets now monitors the course. pain-masking drugs are tested for. new technology will eventually test for hidden injuries. a new drainage system was installed and the track's surface is examined with ground-penetrating radar. >> shut them down! >> reporter: peta's national vice president kathy guillermo with murder for a lot of years, and we don't have good statistics on how many horses have actually died. >> reporter: the los angeles district attorney's office has been investigating these fatales for months but has yet to issue its report.

the sport of kings is in trouble with declining attendance as well as a tarnished image. but outside of california, sweeping reforms on a national level have yet to get out of the starting gate. norah? >> all right, don, thank you. and now to a story every woman needs to be concerned about. we know one in eight american women will develop breast cancer in their lifetime, but the aggressive treatments many rely on can cause other problems, sometimes years later. here's dr. tara narula. >> reporter: when jayme cheek was diagnosed with breast cancer in 2016, she was told what to expect, chemotherapy, surgery, and radiation. what she didn't expect was a new diagnosis, heart disease. >> it was about like getting punched in the stomach. that's what it felt like. >> reporter: shemuscroub pumpin >> cardiovasrshemberiskgie

% of breast cancs ll develop heart problems. that's because chemotherapy can damage the heart muscle that pumps blood, leading to heart failure, and radiation can disrupt normal heart rhythm and damage the coronary arteries and the heart valves. why has there not been more awareness to date of the cardiovascular risks? >> i think the challenge has been that we see cardiovascular issues arise often years to even a decade after completing treatment. >> reporter: with medication, cheek's heart condition is stable now. >> i do do the stairs several times a day. about the third flight up i can get breathless, but so do my coworkers. so i feel pretty good about that. >> norah, it's so important to emphasize cardiovascular disease the number one killer of women, including breast cancer survivors, of which there are three million in this country. so breast cancer survivors need to know their risk factors to

recognize symptoms of heart disease and have a discussion with their doctor about what types of chemotherapy, they're radiation dose. >> an important warning. thank you, dr. narula. there is still much more ahead. a shortage of american teachers has be schools recruiting teachers from overseas. and an american hero receives the military's highest honor.

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chicago. for a tenth day, striking teachers were outside public schools, demanding smaller classes and better pay. a lack of education funding is one reason why there are more than 100,000 teacher vacancies nationwide. that's a huge number. and as hillary lane report, some jobs are being filled from overseas. >> reporter: this group of women share meals and live together to save money. >> we have the same reasons why we're here. sacrifice for the family. and all our sacrifices, it's all worth it. >> reporter: they've come all the way from the philippines to do a job fewer and fewer americans want to do, teach. >> i heard from my friend that there is a massive hiring of teachers here in u.s. >> reporter: back home, andrea locsin was making $400 a month. here she makes nine times more. she is one of eight teachers from overseas working at mcgee middle school in tucson, arizona. >> you know, this is a very big opportunity for me, a very big

blessing. >> reporter: there are more than 1400 teacher vacancies in arizona this year. the state ranks 45th out of 50 when it comes to teacher salaries. the average public school teacher in america makes $60,000 a year. in tucson, arizona, it's $42,000. >> so there is more vacancies than applicants. the pay isn't very attractive where we finally decided it would probably be time to look overseas. >> reporter: dr. gabriel trujillo is the tucson district superintendent. he oversees the hiring of international teachers. how do teacher shortages affect the school district and then the children? >> so where you may have two lass of 18 or 19, if one of the classes doesn't have a highly qualified teacher due to the vacancy, now we have a single class at 38 students. >> reporter: does it seem like the job of a teacher is being outsourced? >> yes, definitely. in fact, i'm seeing a lot of that. >> reporter: margaret chaney is the president of the tucson public educators union. she helped lead a week-long

teacher strike last year. >> you brought in these other teacher, and now you filled those holes. there is no reason to add more funding, which is a problem for those of us that are left behind. >> reporter: nationwide, there are more than 3,000 international teachers in u.s. classrooms, up 50% from 2014. >> i just love this one. >> reporter: the majority of those teachers come from the philippines. >> welcome! >> reporter: and we were there when another teacher arrived. when you see all of these smiling face here is to greet you, what were you thinking? >> i am thinking that it's really great to be here in the united states. >> international teachers must have at least the equivalent of a u.s. bachelor's degree and two years of teaching experience to qualify, but the process is expensive for them, costing $8,000 in sponsorship fees alone. norah? >> your piece is going to raise a lot of questions. hillary, thank you.

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newly released video shows the moment mexican authorities captured the son of the drug lord known as el chapo. the arrest triggered a deadly backlash by the cartel. police allowed him his brother, asking him to end the siege. guess what? he refused. the son was released to stop the violence. tributes are pouring in for actor and comedian john witherspoon. >> every time i come in the kitchen, you in the kitchen. >> witherspoon was best known for his role as rapper ice cube's father in the friday films on tv. he was pops in the wayans brothers show. john witherspoon was 77 years old. coming up next, a green beret is honored for extraordinary bravery in battle.

the medal of honor was awarded today to a special forces soldier who saved lives during a six-hour battle in afghanistan. david martin introduces us to a true american hero. >> reporter: master sergeant matt williams and his team of green berets choppered in to a remote afghan valley in the spring of 2008. their mission, part of which was recorded, was to capture or kill a senior terrorist leader. but nothing went right. to begin with, it was too rocky to land. >> there was about a 10-foot or so drop straight down to these giant boulders and rocks everywhere. that's how the day started. gh ground. >> reporter: what kind of fire? >> rpgs, heavy machine gun fire, small arms fire. >> reporter: the enemy was shooting down on them from a

village overlooking the valley. >> we didn't really understand the amount of enemy that were actually in the village at the time. >> reporter: the lead element was pinned down and taking casualties. so what was going to happen to them if somebody didn't get to them? >> nothing good. they definitely probably would have been killed if nobody was able to get to them. >> reporter: according to the medal of honor citation, williams braved intense enemy fire to lead a counterattack across a valley of ice-covered boulders and fast-moving ice-cold and waist-deep river. he helped save the lives of four critically wounded soldiers, although he gives credit to the pilots who flew air strikes on the village. >> i hit it. target effect, target. do you think you would have made it out of there without air cover? >> no, sir, not at all. >> reporter: the medevacs that came in to pick up the wounded also took fire. >> i think i'm hit, i'm hit. >> reporter: williams received the notice he would receive the medal of honor more than a year ago, but he said the honor would have to wait. >> we had a deployment to

africa. i wanted to make sure i was able to continue serving with the guys. >> reporter: so let me get this straight. you were too busy to receive the medal of honor? >> i guess you could say, that yeah. >> he has completed five tours in afghanistan. >> reporter: now that he has received the medal, the army is not likely to let him go in harm's way again. are you okay with being held back? >> i'm not okay with it. but if it's ultimately safer for the team, i understand that. >> reporter: which is why for williams and others who have received the medal, it is as much a burden as an honor. david martin, cbs news, ft. bragg, north carolina. >> and that's the "overnight news" for this thursday. for some of you, the news continues. for other, check back with us a little later for the morning news and "cbs this morning." from the broadcast center in new york city, i'm norah o'donnell.

♪ >> announcer: this is the "cbs overnight news." >> welcome to the "overnight news." i'm nikki battiste. firestorms continued to rage up and down the spine of california. they have charred wineries north of san francisco and multimillion-dollar homes in the hollywood hills of los angeles. the flames were also lapping at the doorstep of the ronald reagan presidential library in simi valley. carter evans is there. >> reporter: some of the fiercest santa ana winds in years blew through california like a blowtorch, taking dead aim at the reagan presidential library in simi valley. >> we're surrounded on all sides by the fire. ion housing air force one as eight air tankers and nine helicopters raced to protect the library and surrounding neighborhoods.

you can see the vortex of flames and smoke and wind blowing in our direction. just imagine what it's like for firefighters to approach flames like that. dozens of animals became trapped. siion. >> just grab this one. the whole barn is on fire back there. >> reporter: and several horses, including one that seems to head right back into harm's way, only to then lead another horse and colt to safety, aided by an army of volunteers. hundreds of firefighters spent the day dousing numerous fires with an all-out assault as thousands fled, some needing to be wheeled out on stretchers. what is it like fighting a fire in these type of winds? >> mother nature is relentless in this type of situation when it comes to the winds. so the best thing we can do is get people out of the way. >> reporter: back at the reagan library, the director watched nervously as flames drew perilously close to the museum's priceless artifacts. firefighters saved thousands of homes today, and the reagan library tonight is still standing.

what helped them save it is a wide area of brush clearance that's maintained in part by a herd of goats that eat all that bone-dry vegetation. on capitol hill, the house of representatives will vote today on an impeachment resolution that would set the rules for the next chapter in the inquiry of president trump. it calls for public hearings where mr. trump's lawyers would be allowed to question witnesses, and it would culminate in a final report that could lead to articles of impeachment. meanwhile, investigators want the hear from former national security adviser john bolton. nancy cordes reports. >> this is not fair at all. >> reporter: lawmakers clashed this afternoon over rules that will govern the impeachment. process there. >> there are things in here in my dick cade in congress that i've never seen done before. >> the president has been afforded all kinds of rights before the judiciary committee.

this is a fair process. >> reporter: the 11th and 12th witnesses testified behind closed doors today. former white house ukraine director catherine croft revealed that she received multiple calls from former republican congressman robert livingston, urging the firing of then u.s. ambassador to ukraine marie yovanovitch. "it was not clear to me," croft says, "at whose direction or at whose expense mr. livingston was working." the president's personal lawyer rudy giuliani has claimed that yovanovitch was an impediment to his efforts to get ukraine to investigate mr. trump's campaign rival joe biden. >> you were aware there were individuals and forces outside of the state department seeking to smear ambassador yovanovitch, is that right? >> i was. >> reporter: deputy secretary of state john sullivan was the one who had to tell yovanovitch she was being recalled to washington. >> the president had lost confidence in her. >> and you were told that by the secretary of state? >> i was. >> did you ask why he lost confidence in her? >> yes. >> and what was the answer? >> i was told that he had lost confidence in her, period. >> well, that's not a why.

just lost confidence didn't explain why. >> reporter: president trump urged reluctant republicans today to, quote, go with substance and defend his actions. florida's marco rubio said no. >> i'm not getting into a debate about the substance until we know all of the facts, from both sides and all of it together. >> reporter: the white house has just confirmed that tim morrison, who had a bird's-eye view of a lot of this as the to leaving to pursue other opportunities and that he's been considering this for some time, but, norah, obviously the timing is notable coming on the eve of his highly anticipated testimony. the pentagon released video and stills from the raid that led to the death of islamic state leader abu bakr al baghdadi. chip reid reports. >> reporter: video released by

the pentagon shows the initial u.s. strikes on al baghdadi's compound. general kenneth mckenzie, commander of centcom oversaw the assault and today narrated the dramatic assault. >> these individuals who we don't assess were affiliated with baghdadi, but nonetheless demonstrated hostile intent against u.s. forces were killed by two strikes from supporting helicopters. >> reporter: that cleared the way for the commandos to approach the compound. >> with the assault force surrounding the compound, we repeatedly urged those inside to come out peacefully. >> reporter: when they didn't, the commandos went in. al baghdadi, chased by this heroic military dog ran into a dead-end tunnel, where he ignited his suicide vest. >> he crawled into a hole with two small children and blew himself up. >> reporter: once u.s. forces had cleared the area, the compound was demolished by multiple strikes. ing loarge pots tty much like a tv in the white house situation room saturday night. >> we had absolutely perfect, as though you were watching a movie. >> reporter: he described al baghdadi as scared out of his

mind in his final moments. >> whimpering and crying and screaming all the way. >> reporter: general mckenzie could not confirm that claim and made clear that isis is far from finished. >> we're under no illusions that it's going to go away just because we killed baghdadi. it will remain. they will be dangerous. we suspect they will try some form of retribution attack. on capitol hill today, the acting director of the national counterterrorism center predicted that isis will have its new leader soon because they have, what he called, quote, a deep bench. this is breast cancer awareness month, and if you weren't aware, there are nearly four million breast cancer survhere the united states. but a new study found the very treatments that help them beat their disease can also be harmful or even deadly. here is dr. tara narula. >> reporter: when jayme cheek was diagnosed with breast cancer in 2016, she was told what to expect, chemotherapy, surgery, and radiation.

what she didn't expect was a new diagnosis, heart disease. >> it was about like getting punched in the stomach. that's what it felt like. >> reporter: she developed cardiomyopathy, where the heart muscle has trouble pumping blood. she now sees dr. javid moslehi, an expert in the emerging field of cardio oncology. >> cardiovascular disease is the number one risk factor for all women who survive breast cancer. >> reporter: he estimates about 10% of breast cancer patients will develop heart problems. that's because chemotherapy can damage the heart muscle that pumps blood, leading to heart failure, and radiation can disrupt normal heart rhythm and damage the coronary arteries and the heart valves. >> we see cardiovascular issues arise years even atreatment. >> reporter: with medication, cheek's heart condition is stable now. >> i do do the stairs several times a day.

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this is the "cbs overnight news." >> welcome back to the "overnight news" on this halloween morning. i'm nikki battiste. a 14-year-old from california as america's new top young scientist. she's only in eighth grade, but she manage to create a nanoparticle liquid bandage. it's designed to replace antibiotics. pretty good for a kid. all ten finalists are really winners, but only one took home the top prize. >> america's 2019 top young scientist is car america's top young19, snagging prize. >> i feeleall shocked and surprised, but really excited at the sam

reporter: judges were by hnpar >> mje because it reduces overuse of antibiotics. >> reporter: after two days of mind-twisting challenges and working one-on-one with world renowned scientists more than twice their age in a sort of spelling bee for science, these ten finalists beat hundreds of their fifth to eighth grade peers for the chance to present their final projects in front of 3m and discovery executives. >> i would have a solar panel -- >> reporter: carolyn crouchly got second place. she created a sustainable train that she says is safer and more efficient than elon musk's hyperloop. >> four million children have asthma every year and there are 11,000 new cases every day. so i want to prevent allsg. >> reporter: you want the make the air we breathe safer? >> yeah. i designed, developed a new train idea that can use

renewable energy sources instead of fossil fuels so it would help the environment. >> reporter: that's pretty impressive. >> thank you. >> first you input a gesture. >> reporter: feraz created a device that translates sign language into voice and voice into sign language. >> when my dad was around my age, there was a kid and he always wanted to play with my dad. but since he was aphonic, he couldn't talk to my dad and tell him he wanted to play with him. so my dad got scared and ran away. >> reporter: his video illustrates his idea. >> i thought why can't i translate their only way of communication, sign language. and started thinking of how to recognize the hand and its gestures and figure out the movement of the hand. i learned a lot more about programing and how it works. >> reporter: before their final presentations, the young scientists toured 3m's innovation centeo seeje like th

echo-free chamber. >> yeah! >> reporter: what these young minds have learned may be a lesson not just in science but in life. >> my takeaway from this project is that if you work well with other people, then great things happen. >> i'm proud of myself. doing this project was fun, but i also just really wanted to help the deaf and aphonic. so in the future, i don't have to think, look back and see that i've -- there is still a problem in this world. >> reporter: and though there is only one middle schooler taking home the title of america's top young scientist, they all leave winners. what's the takeaway from this experience for you? >> that i still won. i was a finalist and i made it this far. so it's good that i put the effort in and i didn't give up. >> enough of those genius kids, it's halloween. so let's talk about candy. here's luke burbank. >> we ate all your halloween candy.

>> no, don't eat my candy! >> okay, this is just a halloween prank. >> candy! >> on the jimmy kimmel show. but if you're one of those parents who likes to dip into your kids' halloween stash, chances are that candy was made in oak park, illinois at the mars wrigley candy factory. actually, candy is pretty healthy for you, believe it or not. >> reporter: really? >> wayne is clearly not a doctor, but he is the fourth generation of his family to work here at this mars factory, which is about to turn 90 years old. >> 28 years of service, you look back at what you did. i didn't expect to be here that long, but i am here. and i enjoyed everything that goes on. i mean, if you think about the five principles of mars. >> reporter: i don't want to put you on the spot, what are the five principles? >> rerter: brush your

teeth. i'm pretty sure that's the fifth one. >> efficiency. >> reporter: principles set down by franklin c. mars, the company's founder. it all started back in 1911 with mars selling hand-dipped chocolates made in his kitchen in tacoma, washington. but the business didn't boom until 1923 when mars invented the milky way bar. then came snickers and m&ms and the rest, as they say, is candy history. >> best chocolate candies under the sun. >> reporter: more than a century later, the company is still owned entirely by the mars family, who are as notoriously mars is one of the largest privately held companies in the world with reported $35 billion in sales each year. >> put this over your hair. >> all right.

>> under your to cover your ears as well. >> is that for ear hair? >> well, you never know. >> reporter: after an intensive suiting up process, i'm ready to stop talking about candy and start seeing it, up close and personal, which is where amy vedmore, the factory's site director, comes in. now i also understand this is kind of halloween central? >> yes. so we make about 99% of the snickers fun size. we make milky way and three musketeers fun size as well. >> reporter: in all, millions of tiny candy bars come out of this facility each day. as well as some regular-sized ones, which after being made need to be packed and shipped. and i was ready to help. is it going faster? >> yeah. >> yikes! >> reporter: of course, how you package the chocolate doesn't mean much if it doesn't taste right. >> so my name is lindsey garfield, and my job is the principle sensory technologist.

>> reporter: in other words, her job is to eat candy. >> we say the perfect snickers is the same snickers that the first snickers tasted like. >> reporter: mr. mars presumably invented? >> the perfect snickers. >> reporter: and does anyone know what that one tasted like? >> it tastes just like the snickers today. >> reporter: are you a robot? >> no! >> reporter: clearly, i'm not great at packing the candy, but tasting it, i figured anybody can do that. okay. so we're tasting this cocoa butter because it's one of the building blocks of a milky way, essentially, right? >> with cocoa butter, you're going to want to slurp it. pretend like you're the rudest person in the world. >> not hard for me. >> okay. >> mm. >> shock lat should be your number one thing you get. and then that oily mouth feel. >> okay. i'm getting both of those. >> okay, good. >> so this was a success. >> this was a success. >> cheers. >> cheers. >> reporter: okay, that was fun. and yet it's possible that no one has more fun at this factory

than willa mae brown. >> i'm proud of what i do. i love making candy. >> reporter: and when she is not making it, she is giving it a way. how much does each person get? >> a lot. >> reporter: really? >> yeah, we give them oogobs of condo. >> reporter: known as the queen of halloween, she organizes the annual halloween event which draws thousands of candy loves to the factory each year. now is there an age cutoff for this? do you have to be a kid? >> no. >> reporter: would you say it's more kids or adults? >> more adults. believe it or not. >> reporter: oh, we can believe it. >> i wanted to try skittles! >> i don't want to see you ever

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to raise our gaze. >> this architecture is made to draw your eyes up, this gothic architecture. and then as you're eyes are being drawn up, you're seeing gargoyles and groat tess, and wow, look at that, look at that. hey, is that darth vader up there? >> reporter: it is darth vader up there. cran your neck at the national cathedral in washington, d.c., or even take one of their gargoyle tour, and you might also see a wild boar, a turtle, a dragon, or one of the roughly 1200 other roof dwellers. >> i installed that horse. >> reporter: joe alonzo is headstone mason at the cathedral. >> of course, my girl medusa. >> reporter: but many of medusa's neighbors, like darth vader, aren't really gargoyles. >> a gargoyle officially must spew water, or be able to do so.

i describe them as glorified gutters. if you look like a gargoyle and some sort of a monstrous or fantastic way but you cannot spew water, you are officially a grotesque. >> reporter: jeanetta rebold venton has written about these hair-raising hobgoblins. >> they're fascinating, and i think it goes along with the whole appeal of things that are a little awful, a little bit frightening, a little bit creepy, the extreme edge of what we accept. it is part of human nature, curiously. >> reporter: carver walter s. arnold says gargoyles have always, well, stuck their necks out. >> i think the bishops knew that if you didn't give us the outlet on the outside of the cathedral, we would be sticking a caricature of the bishop behind the altar. so they define that you have to behave here, and you can talk about life and culture and

society out there. >> reporter: arnold has carved dozens of gargoyles and grotesques for the national cathedral. >> most of our carvers do is much more formal. but gargoyles are more like jazz. there is a concept and you can improvise and discover what's in the stone as i go along. >> this is the side that would be seen. >> reporter: he often collaborated with sculptor jay hall carvinger, who has carved more than 100 of these creatures. >> one that walter and i worked on today is the crooked politician. >> pretty apt for a gargoyle that looks over washington, d.c. >> absolutely. >> reporter: there are just creatures everywhere. looking up with wonder. >> look up, consider the fantastic. consider the appeal of things that you cannot fully understand today, things that perhaps will ul

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a lot of halloween tales begin with the fog rolling in. this morning john blackstone introduces us to the most famous fog in the world. his name is carl, and he's even got his own website. >> reporter: in san francisco, it's a typical day. the fog is in. high points on buildings and bridges may poke into the sun, but much of the city is engulfed in gray. >> yeah, the cool water. >> reporter: for meteorologist mike peckner, who is somewhere there in the fog, this is exactly the way it's supposed to be. >> fog is the natural air conditioning of san francisco. >> it's foggy! >> reporter: but it presents a challenge for tourists searching for that perfect picture of the golden gate bridge. >> the main thing is the golden gate. >> the golden gate, where? >> reporter: where is the golden gate bridge? >> i have no idea. >> reporter: while this weather pattern may disappoint some --

>> we came to enjoy the view. >> reporter: many others are now on a first-name basis with san francisco's fog. >> i know that carl the fog is ever present here. >> reporter: who? >> carl, the fog. >> reporter: who's carl? >> the fog. >> reporter: when it comes to views of the golden gate bridge, the fog giveth and the fog taketh away. and now san francisco's fog is on social media. it even has its own coffee table book. on twitter, carl the fog has 360,000 followers. this weather system also posts selfies on instagram, proudly showing his impact on the city. and now karl is a published author with a book of his photos and his wisdom. >> i am not karl the fog. i am karl's editor. >> reporter: steve mock has not only edited karl's book, he is one of the few people who actually knows the identity of the human behind karl. >> he is really funny. for a weather system, he is really funny. >> reporter: when that email arrived from karl, when somebody told you okay, you're going to

beorking with the fog next, what was that? >> it was really exciting. i was following his travails over social media, and he really is a local celebrity. nothing could be more san francisco than hearing from karl the fog. >> reporter: you say people love the fog and people hate the fog. how do we know that karl isn't some part of a russian disinformation campaign aimed at dividing us? >> he's very kind. >> reporter: kind enough it turns out to pull back that veil of white from time to time, providing a picture-perre-perfe setting, as long as you're quick.>> here i am, here i am. >> get in the picture! >> reporter: and when the picture isn't perfect, at least we can now blame karl. but who is he really? sorry. i haven't the foggiest. john blackstone, san francisco. >> and that's the "overnight news" for this halloween thursday. for some of you, the news continues. for other, check back with us a little later for the morning news and you don't want to miss "cbs this mo

[ cheers ] >> it goesthe washington nation world champions for the first time in franchise history! eifirst-ever world series title. we'll take you to the party as fans celebrate the historic victory. the emotions, a roller coaster. the up and down, that was -- that was something. setting the rules, the house will vote today on an impeachment inquiry as president trump's top adviser on russia prepares to face lawmakers. and breaking overnight, more than 60 people are