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and the marines plan to bring it to the surface. the osprey can carry more troops farther and faster than any helicopter, but its tilt-rotor technology has been criticized ever since this horrendous crash 17 years ago. >> crash! crash, crash, crash! >> reporter: in which 19 marines died. but the father of first lieutenant cross said his son trusted the aircraft. >> he told me that they had so

many redundant safety systems in the plane that if one failed there was always a backup. >> reporter: marine corps statistics show over the last five years the osprey has the third highest accident rate, after the harrier jump jet, another vertical takeoff and landing plane, and older models of the f-18 jet fighter. the marines are expected to order a safety stand-down for all their aircraft so air crews can take a day off from flying and spend it reviewing their operating procedures. anthony? >> david martin at the pentagon. thank you, david. federal investigators tell cbs news the explosive that damaged a mosque in bloomington, minnesota was sophisticated and may have been a pipe bomb. governor mark dayton called it an act of terror. the explosion saturday blew out office windows just before morning prayers. no one was hurt. no arrests have been made. opioids are taking a heavy toll on children in this

country. they are not addicts, but their parents are. dean reynolds now on the innocent victims of a drug epidemic. >> reporter: on a winding trail in southeastern ohio four children symbolize the devastating consequences of the opioid epidemic. >> delany-u go get the cone. >> reporter: delaney, liam, finnian and connally are living with their aunt now. she and her husband are raising them as their own because their parents are heroin addicts. >> it's heartbreaking. it's heartbreaking to see that parents will take the drugs over the children. >> reporter: suzanne is talking about her own brother. what do you tell those children about their parents? >> i tell them that their parents love them but they just are not able to take care of them. >> reporter: she's raising a fifth child, a boy named ronny, who just turned 1. his mother is an addict somewhere in town. it's estimated that due in large part to the opioid catastrophe at least 2.5 million children nationwide are being raised by

grandparents or other relatives. but some have no relatives who will take them in and go directly to foster care. mike dewine is ohio's attorney general. >> we think about 50% of the kids who are in foster care in ohio are there because one or both parents are in fact drug addicts. >> reporter: 14,000 children are in agency custody statewide, up 14% in five years. case workers are stressed to the limit. >> we're removing one to three infants a month that are born addicted to drugs. >> reporter: jill wright is executive director of children's services in adams county. >> these infant mothers, a lot of them we never see again. they never come to visit. they just leave their child and continue on with their addiction. >> you've been doing this 26 years. is the current situation the worst you've ever seen it? >> yes. >> reporter: suzanne valle agrees that this is not a gathering storm, the storm is upon us. >> i do do foster care, but it's almost like it's not enough because there are so many kids

that need somebody. >> reporter: kids like jack. we won't see his face because he's only 14. he's been in and out of foster care four different times. >> i called my dad one day, and i was like, dad, why can't you just try and get me? and he was like, i just can't stop, like the drugs overtook him. and i was like, you're one messed-up dad to pick drugs over your own kid. and i just hung up. >> reporter: and there are thousands more just like him. dean reynolds, cbs news, blue creek, ohio. >> staggering statistics out of ohio. coming up next, the cause of that deadly accident at the ohio state fair. and later, what may be ♪ no, please, please, oh! ♪ (shrieks in terror) (heavy breathing and snorting) no, no.

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here? no. have a little fun together, or a lot. k-y yours and mine. two sensations that work together, so you can play together. we now know the cause of that deadly accident at the ohio state fair last month. the manufacturer of an 18-year-old ride says internal corrosion, not readily visible cose.spectors, led to its here's adriana diaz. >> reporter: the fireball ride had been inspected the day of the tragic accident, and at least three times in the days before. hakim hussein was on the ride and hit by debris. >> people's legs and stuff was unattached and that was -- it was just scary. it's like a nightmare come true. >> reporter: industry analysts say the corrosion's location

inside the support beam that failed was part of the problem. ken martin inspects amusement park rides. >> it started from the inside coming out, similar to the way a cancer might eat through a body. you would have to have x-ray eyes to see this type of corrosion. >> reporter: there's no national safety standard or enforcing body governing amusement rides. each state has its own rules and polices itself. >> that's dangerous in that there's no universal application of safety to protect all of us. >> reporter: attorney mark kitric represents the family of 18-year-old tyler jarrell. he was killed after being thrown 50 feet from the ride. kitric says the latest findings shocked jarrell's mother. >> she's beyond outraged to find out this is a problem that seems to be pretty obvious. you have extra rust that needs to be repaired or fixed or replaced. it's a dangerous situation. >> reporter: the inspector we spoke to said the incident may have been prevented if the metal was coated or primed

differently. now, despite the manufacturer's corrosion findings, the state of ohio is conducting its own investigation into what went wrong. anthony? >> adriana diaz, thanks. and up next, two world leaders. two very different vacations. ♪ if you've got a life, you gotta swiffer clearasil rapid action begins working fast for clearly visible results in as little as 12 hours. but will it stop this teen from being embarassed by her parents? nope. so let's be clear: clearasil works fast on teen acne, not so much on other teen things.

first you start with this. these guys. a place like shhh! no. found it! and definitely lipton ice tea. lots of it. a lipton meal is what you bring to it. and the refreshing taste of lipton iced tea. ♪ a cold, a bug, a flu ♪ when school was back in session ♪ ♪ those germs were shared with you ♪ each year kids miss 22 million school days due to illness. but lysol kills 99.9% of cold and flu viruses. president trump is on a working vacation at his new jersey golf club. he's combined driving golf balls with his other favorite sport, swinging at opponents.

in tweets today he blasted the fake news media and the failing "new york times" and invited senator richard blumenthal to "take a long vacation in vietnam where he lied about his military service so he can at least say he was there." and while mr. trump was true to form, russia's president was baring his. vacationing in siberia, vladimir putin gave photographers quite a show. swimming in a chilly lake, shirtless fishing. looks like he caught himself a big one for dinner. in russia being on putin's good side has its rewards, and bad things tend to happen to his opponents, including aleksei navalny, one of putin's most ardent critics. correspondent ryan chilcote spent a week with him for "cbs on assignment." >> what do you think the probability is that you will end up in prison? >> mr. putin personally decided such a things and no one understands what's in his head.

>> what do you think the chances are you'll end up dead? >> well, like, you know, 50%. i will be killed or i wil who are these people?

the energy conscious people among us say small actions can add up to something... humongous. a little thing here. a little thing there. starts to feel like a badge maybe millions can wear. who are all these caretakers, advocates too? turns out, it's californians it's me and it's you. don't stop now, it's easy to add to the routine. join energy upgrade california and do your thing.

finally tonight, are you bored at work? find yourself staring into space? well, nasa may have just the job for you. it comes with a six-figure salary and civil service protection. duties include saving the earth.

here's chip reid. >> freeze! >> it sounds like a job from the movie "men in black." government employees saving the earth from creepy aliens. kassie conley is nasa's planetary protection officer, and that is sort of what she does but on a smaller sca and not quite as messy. >> the job is defending earth from aliens, but they're microbes, not space invaders. >> reporter: is it conceivable that if we bring rocks back from mars that some kind of evil microbe could destroy life on earth? >> preventing that is the whole point of this job. because we don't know. >> reporter: after 11 years she's decided to move on. and when nasa posted the job opening the internet went, well, viral. comparing her to hollywood's long history of alien invasion heroes. >> you really have to have a sense of humor with this job. >> reporter: conley spends a lot of her time focused on mars. >> is there life on mars? >> there absolutely is life on mars because there's life on the

spacecraft that we sent to mars. >> reporter: that's right. countless tiny microbes from earth are now hitching a r50id on rovers cruising around the red planet. conley steers them away from areas where native martian life may exist to avoid the possibility of interplanetary war on a microscopic level. the job usually requires a ph.d. and a broad scientific background. but one 9-year-old wrote nasa that he's fit for the job because "my sister says i am an alien, and i am young, so i can learn to think like an alien." he signed it jack davis, guardian of the galaxy. nasa urged him to study hard and do well in school. after he gets his ph.d. hopefully he'll apply again. because we'll always need someone to proct us from whatever is out there. chip reid, cbs news, washington. and that's the overnight news for this tuesday. for some of you the news continues. for others check back a little later for the morning news and

"cbs this morning." from the broadcast center in new york city i'm anthony mason. thanks for watching. >> announcer: this is the "cbs overnight news." welcome to the "overnight news." i'm anna werner. tornado warnings went up in maryland after a powerful storm split trees and flipped cars in the town of salisbury. meanwhile, people in tulsa are still picking up the pieces after a string of devastating tornadoes tore through the region. no one was killed, but nearly three dozen people were hurt. omar villafranca is there. >> reporter: the ef2 tornado hit just after 1:00 in the morning. it blasted through the center of town with 130-mile-per-hour winds. the twister ripped off rooftops, shredded storefronts, and blew out windows.

eight people were trapped inside this tgif and officials say at least 30 people were injured by the flying debris. officer demita kinard is with the tulsa police department. >> there were people who had some pretty horrific injured but none were life-threatening, which is great-k and we had no loss of life. >> reporter: but many are wondering why the incontinuous storm didn't trigger warning sirens. at 1:16 meteorologists were monitoring the thunderstorm. but two minutes later it became a tornado. at 1:23 the national weather service started drafting the tornado warning. but it was issued at 1:25 a.m., after the storm left tulsa. national weather service meteorologist steve piltz says they were caught off guard because the tornado was low to the ground, making it difficult for weather experts to predict what was happening on radar and the storm intensified rapidly. >> anytime we have these types of tornadoes we typically are a few minutes behind the first one. then we begin to understand the situation better and we can be

faster. >> reporter: the tornado moved in so fast that customers at this restaurant left their cell phones and purses on the table so they could go run for cover. it's worth noting that august tornadoes are rare. the last one in tulsa county was in the 1950s. tornado sirens usually sound minutes but sometimes just a few seconds before a tornado strikes. tony dokoupil reports on the latest efforts to increase the warning time. >> reporter: researchers at four universities are working to improve forecasting by using drones. the unplanned aircraft can do what the rest of us cannot, flying into the heart of dangerous weather systems to collect data on the storms. 13 minutes. that's the average time between the detection of a tornado forming to when it comes down, leaving people in its path scrambling to find a safe place. >> oh, my gosh! >> reporter: unlike other weather systems, tornadoes form quickly, are hard to predict and even hard to track. jamie jacob and his team from

oklahoma state university are working on a set of drones designed to fly into and analyze severe weather systems. >> meteorologists are very good at predicting when and where the storm is going to develop but not so good as determining when a storm is going to form a tornado at a particular place or a particular time. >> reporter: they're built to withstand rain, hail, and winds of at least 80 miles an hour, and they drop a device called a dropson that collects data from inside a potential tornado. >> sought goal is to be able to get more data that feeds directly into those models and do that in real time. >> reporter: that real-time data can be a key factor in saving lives when a tornado is beginning to form. >> we can get to the point where we can warn an hour ahead of time. >> reporter: the drones need a few more years of testing before being put to use by the national weather service. >> the technology is a little ahead of the regulatory

processes, however, so we may have to wait for the legal side to catch up with us. the marine corps is ordering inspections on its fleet of osprey tilt-rotor aircraft after the most recent deadly accident off the coast of australia. the osprey has long been considered essential to transporting u.s. marines. but it also has a long history of crashes. david martin reports. >> reporter: this is how the landing should have gone. an osprey setting down on the flight deck of the u.s. green bay" one year ago. but a similar landing on the same ship this weekend went horribly wrong. the osprey, which can fly like an airplane and hover like a helicopter, struck the ship's stern as it descended and fell into the water. ships, small boats and helicopters pulled 23 marines from the water but searched in vain for the other three, who couldn't get out before the osprey sank. family members identified them as first lieutenant benjamin

cross and corporal nathan ordway. both members of the flight crew. and private first class ruben and the marines plan to bring it to the surface. the osprey can carry more troops farther and faster than any helicopter. but its tilt-rotor technology has been criticized ever since this horrendous crash 17 years ago. >> crash, crash, crash, crash! >> reporter: in which 19 marines died. but the father of first lieutenant cross said his son trusted the aircraft. >> he told me that they had so many redundant safety systems in the plane that if one failed there was always a backup. >> reporter: marine corps statistics show over the last five years the osprey has the third highest accident rate after the harrier vertical jump plane another vertical takeoff plane and earlier models of the

f-18 jet fighter. 377 people have been killed by gun violence in chicago since the start of the year. that includes a 14-year-old boy who was among the shooting victims this past weekend. federal investigators are on the scene, and they're being led by a local atf agent who knows the city streets. adriana diaz reports. >> i was that kid that walked to school every day in fear i was going to get caught in a gang shooting, and no kid should have to live with that fear. so what i say to them is put the guns down. >> reporter: it's selena nunez's job to get the guns off chicago's streets. the head of the city's atf division knows the pain of gang violence personally. when the chicago native was 8, she lost her cousin, who she considered a brother, to gang violence. >> i get the anger that some of these gang members feel, that they want retaliation, and i say you know what? turn that hurt into greatness and do something positive. >> reporter: as her plan of attack against violence she launched chicago's crime gun strike force in june. it a team of city, state, and

feral agents tasked with hunting down illegal guns. >> and what's that over there? >> this is our forensic lab on wheels. >> reporter: to help she brought in the atf's only forensic van. >> so here's a shell casing we kind of see at crime scenes. >> so this screen shows the data base of shell casings from across the country? >> yes. when you watch the shell casings you can match crime scenes. now you have a possible suspect. eventually will lead us to the gun. >> reporter: in chicago officials have confiscated more than 5,000 gonzalez since february, 900 more since this time last year. >> how is it for someone to get a gun? >> that easy. >> reporter: but gang members tell us the guns are easily replaced. >> seizing these guns is one part of the component. but how do you change the mentality that they feel that they need a gun? >> what's happening in chicago can't be put on law enforcement alo alone. we need to change the mentality of our juveniles and these young people that want to carry guns.

>> the police have had some gains. shootings are down 13%. but already this year there have been more than 400 ♪ susie got all germy ♪ a cold, a bug, a flu ♪ when school was back in session ♪ ♪ those germs were shared with you ♪ each year kids miss 22 million school days due to illness. but lysol kills 99.9% of cold and flu viruses. it says you apply the blue one ok, letto me. this. here? no. have a little fun together, or a lot. k-y yours and mine. two sensations that work together, so you can play together. itwhat's possible.nk rethink the experience. rethink your allergy pills. flonase sensimist allergy relief uses unique mistpro technology and helps block 6 key inflammatory substances with a gentle mist. most allergy pills only block one.

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>> announcer: this is the "cbs overnight news." president trump continues his 17-day vacation at one of his golf courses in new jersey. the president has spent 44 of his first 200 days in office away from the white house. at the same point in his presidency barack obama had been on vacation just three weeks. president george w. bush, on the other hand, was away more than two months. major garrett has a look at the history of presidential holidays. >> reporter: now, president trump says this is not really a vacation, it's a working effort. and the white house contends he's on the here in new jersey because of renovations,

on at the white house.c, going but so far this vacation looks l predecessors'. no public events, no briefings, and some criticism. >> i promise you, i wilnot be taking very long vacations if i take them at all. there's no time for vacation. >> at the time i remember saying he's going to find that that is just not true. >> reporter: anita mcbride, former chief of staff to first lady laura bush, knows the ever-present pressures and responsibilities that shadow a president. >> you are going to need time away, and it's healthy for you. but your work is going to go with you. >> reporter: george h.w. bush spent summers in kennebunkport, maine. president john kennedy 15i8d near the family compound in hyannis. martha's vineyard attracted presidents bill clinton and barack obama. while george w. bush reveled in the rustic isolation of his crawford ranch. >> it was a little more private. donald trump happens to be going

to a place that these are his properties. there are members there. so it's not truly private. >> reporter: bush 43 took heat for vacationing during the iraq war and for looking down at the devastating aftermath of hurricane katrina as he flew back to d.c. after a nearly month-long vacation. >> i just want to stay in the white house and work my ass off, make great deals, right? who's going to leave? >> reporter: as was so often the case, mr. trump singled out president obama for criticism. in 2011 mr. trump tweeted "barack obama played golf yesterday. now he heads to a ten-day vacation in martha's vineyard. nice work ethic." mr. trump's summer travel is predicted to cost the township of bedminster more than $300,000. >> this is a very different situation than previous presidents where there are family members who are official members of the staff as well. so they have not only security but they have staff. it adds up.

i think we know as human beings everybody needs a break or a change of scenery. it's just we certainly expect more out of our public leaders. and that might be unfair, but it is the reality. >> our 11th president, james k. polk, in case you were curious, was notorious for his work ethic, taking up only 27 days during his four-year presidency. president trump is working to spur the oil and gas industry. but in one part of coal country the biggest growth industry is wind. barry peterson reports. >> reporter: their job, dangling 300 feet up, roping a wind turbine blade. this job comes with a view across the wyoming prairie and a view well into the future. wind turbine jobs are expected to be the fastest growing jobs in america between now and 2024, up 108%. this reclaimed land covers a

coal mine that was worked for almost 50 years. but increasingly, wyoming's energy comes not from mining what's down below but from mining the wind above. in wyoming, the top coal-producing state in america, wind now produces ten times more energy than it did a decade ago. and maybe more to come. >> you just bought another 40 turbines us from. >> reporter: a chinese company is recruiting workers for wind turbines and will even pay for training. >> if there is so much integration in economies around the world -- steve harshman, republican speaker of the wyoming house, has no problem with the chinese creating wyoming jobs. >> i think it's all about free markets, and i think we all support that. >> reporter: travis harkins traded his coal job to work i wind, a decision made with his wife, sam, and three active boys very much in mind. >> when i was in coal, i had a

concern of how i was going to provide for my family. wind generation definitely opened up a whole other avenue for me and a lot more opportunity. >> reporter: people here have long boasted about being america's biggest coal producer. now they're learning to embrace the winds of change and with it a lot of new jobs. >> good job. >> good job. >> good job. >> reporter: barry i'm worried i can't find a safe used car. >> good job. >> reporter: barry you could start your search at the all-new carfax.com that might help. show me the carfax? now the car you want and the history you need are easy to find. show me used minivans with no reported accidents. boom. love it. [struggles] show me the carfax. start your used car search and get free carfax reports at the all-new carfax.com. it says you apply the blue one ok, letto me. this.

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well, it's the newest rage in suburban planning. it's called the agrohood. homes and businesses are built up around a working farm. chip reid paid a visit to one of the biggest agrohoods in ashburn, virginia. >> reporter: it's a beautiful day in the agrohood. yes, it's raining. but if you live in a community that has a farm right in the middle of it, you learn quickly that rain is a good thing. that's how you get beautiful cucumbers and flowers and tomatoes like these, all grown right here on the community farm. >> there's a lot of -- >> reporter: it might look like work. but for these kids picking bushels of blackberries and ripe tomatoes -- >> this is the elbow right here. you want to put your thumb there and 1234snap that off. >> reporter: -- is a perfect way to spend a summer day on the farm. >> good one. >> reporter: with strange creatures. >> what is th? >> tomato horned worm.

>> i'm not going to ask what you're going to do with hi >> we're going to -- >> reporter: and delightful surprises. >> oh, we got an egg! >> reporter: their harvest soon becomes lunch. >> we are going to have an awesome cucumber and tomato salad. >> that sounds good. >> reporter: that's what bonnie moore loves to hear. >> tastes good, i know. right? >> reporter: as the culinary director at willowsford farms she's introducing the kids to this one right in their back yard. with 300 acres of working farmland and 2,000 acres left for conservation, it's one of the largest agrohoods in the country and it's part of a rising trend in housing, with over 200 agrihoods across the nation. from dallas, texas to outside of atlanta, georgia, even inner city detroit and southern california. they're bringing families back to a more rural life. >> people want to know where their food comes from. i think parents want to know what their kids are eating. and they want their kids to be

able to identify the food. >> reporter: they're not just identifying their food. >> why does it feel good to eat cucumbers that you grew instead of buying them at the store? >> i just feel like proud when like i made them. i grew it. i picked it. and now i get to cut it and eat it. >> reporter: they're owning it. >> so when you look at this salad, what do you think? rewarding? it's rewarding? and it's not just about growing veggies. >> come on. >> reporter: they're also managing the land. and no lawnmower is as much fun as a herd of goats. >> go, go, go. >> reporter: to the kids debra dramby is farmer deb, an expert on goats, healthy eating and the importance of getting outside in nature. >> well, gosh, remember when you were out of school because you spent the summer working on a farm, right? and instead of being inside on a device playing a 1rivideo game about farming or whatever exists, they can actually come and do it. >> do you like doing this work?

>> totally. >> you do. why? because you're doing it for the goats? >> yes. >> reporter: unlike veggies, goats give back. >> you get to hug animals and you get to take care of them. and that's really satisfying. >> who here loves working with goats? who here could see being a farmer someday? >> this could have been a golf course, but it's not. it's a farm. way better. >> why is it better? >> it's so much more interactive. they want their families to be able to identify with something that's real. real food, a real farm. >> reporter: melissa miller says her children love to be off the phones and video games and on the farm. >> it's just so exciting. they're seeing where their food's coming from. and they're having a healthier lifestyle because of it. and i think they'll agree it's so fresh. >> every morning i kept saying can i have more blueberries? >> so blueberries taste better when you pick them yourself? >> yeah. i think they're much fresher. >> this is literally farm to table. >> it is farm to table. and just the peaceful nature.

we all have a stressful life with work and families and friends. but stl st to drive down the street you kind of have your ah moment. zbln quite like the tv show "green acres" but a little bit along those lines. >> exactly. >> so on a summer morning when it's raining what are most kids doing? they're sleeping late, they're watching tv or they're on their numerous electronic devices. your parents tell me that you'd rather be out here organizing the community farm market than being home in bed or watching tv. are they right? >> yeah. >> they really are? >> yeah. >> okay. well, there you have it. straight from the farmers' mouths. a reality tv star is the focus of an investigation into animal abuse in florida. just weeks after a video surfaced of a shark being dragged behind a speedboat, a new clip shows a hammerhead being shot with a handgun. manuel bojorquez has the story from miami. >> reporter: no charges have been filed in these incidents, but animal activists believe

they were carried out by the same group of men and they say they have other videos of their disturbing behavior on the water they may release today. in the latest video a hammerhead shark is pulled out of the water and shot twice in the gills. the man firing the gun, animal activists say, is alex compatrikos, star of mtv's new reality show fiesta key." >> alex is the king of our crew. >> cheers to that. >> everyone wants to party with him. >> reporter: he allegedly deleted this photo from his instagram account, pose wrg a dead hammerhead and wearing clothes similar to the man in the shooting video. >> it's just wanton killing. >> reporter: animal activist russ rector says he got the video from someone who filed a complaint with state investigators. he claims many of the same men were responsible for dragging this black-tip shark from their boat while laughing. he insists they also poured beer in the gilles of this hammerhead and that more unsettling videos are coming.

>> there's so much alcohol involved. you're going to see the other people and alex shooting at other fish on the line. >> reporter: according to "people" magazine, who interviewed compathocros before the video was made public, he deleted a video from his instagram account showing a shark being shot. "there are images of me and i feel horrible," he said. "i am embarrassed and it won't happen again." he denied taking part in dragging the other shark. in florida, where it's illegal to kill marine life with guns or explosives, hammerheads are protected. but in federal waters further out shooting them is allowed. it's unclear where the shark was shot. >> i know a lot of people fear sharks. but really sharks have a lot more to fear from people, and i think this whole situation is just an example of that. >> reporter: shark researcher neil hammerschlog says some hammerhead species are threatened with extinction. >> this is clearly just a situation of mistreating wildlife. i don't think there's any place for that in society. >> reporter: cbs reached out to alex kompathikros but he did not

respond. mtv which declined to comment on the video says some siesta key cast members have received threats and an attorney for some of ,$8drw

a lot of tourists in hawaii look forward to a chance to swim with wild dolphins. but if some environmentalists have their way that could be coming to an end. carter evans is in oahu. >> reporter: we were the tour group tracking hawaiian spinner dolphins off the west coast of oahu. >> it looks like pretty close to 100 dolphins. >> reporter: the hawaiian islands are one of the few places -- >> let's go. >> reporter: -- you can get this close to them. native to hawaii, these spinner dolphins are a smaller species about four feet long. they're social animals known for their acrobatic behaviors. in the water they seem curious and approached us. several swim right underneath. >> just hang out in a group, you

guys. don't push toward them. >> reporter: but our guide jenna morris is serious about keeping our distance. >> you don't actually want people touching the dolphins. >> no. i think the single-handedly hardest part of my job is managing expectations that people have. >> be as stealthy as possible. >> reporter: current law prohibits harassing dolphins, but it doesn't limit how close you can get to them, and many people have taken advantage. online videos show swimmers frolicking with the dolphins and even trying to pet them. >> i do think that this human activity is raising their stress levels. >> reporter: ann garrett says spinner dolphins are nocturnal and feed at night. they come close to shore during the day to rest in protected shallow waters and the tour boats are a disturbance. >> what we're seeing is their rest times are shortening and the dolphins we're concerned with may not be feeding as well, may be too tired to do the foraging they need to and are perhaps not nurturing their young in the same way that they ought to >> reporter: garrett says over time this could lead to a

decrease in the population. noaa is now proposing changes to the current law that would keep people and boats at least 50 yards from the dolphins. >> is it unusual for them to come right up to you? >> no. dolphins are very curious animals by nature. >> reporter: victor lozano is one of the many tour operators against the proposed rule. he says it would be difficult to keep the dolphins away from the boats and hard for tourists to see them at that distance, which could hurt business. but he agrees there are too many tours and not every tour company is following the rules. >> we're all making a living. we need to protect it. we need to make sure that we're responsible how we're viewing animals. >> i don't think these tours are hurting them right now as long as everyone listens. >> reporter: sabrina krantz and her daughter try to swim with the dolphins whenever they visit hawaii. this time may be their last. what is it about getting up so close to the dolphins that's so special? >> it's just being in nature in its pure form. you get to see them do their thing. it's beautiful.

>> reporter: carter evans, cbs news, oahu. and that's the "overnight news" for t this tuesday. from the cbs news . it's tuesday, august 8th, 2017, this is the cbs morning news. summer storms strike. it's clean up time after a possible tornado touches down in maryland. president trump is on the attack. this time he is taking aim at a democratic senator. the google employee whose memo sparked backlash is out of work this morning. why he he says he was wrong through