underline his commitment to north korea's nuclear program. but he repeated his vow not to use them unless provoked. western experts believe that north korea has the capability to build a nuclear bomb, but not the means to deliver it. at least so far. kim has repeatedly rebuffed u.s. requests that north korea abandon its nuclear program. north korea's one of the most reclusive nations in the world. and government guide have accompanied us everywhere. >> you get any opportunity to meet foreigners. bbc reporter rupert wingfield hayes was detained after he reported that much of what he was allowed to see looked like a setup. >> what is it you don't like me saying? >> north korean officials accused him of what they called insulting the dignity of their country. the government forced wingfield hays to sign an apology before barring from ever coming back to the country.

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today the nation's top elected republican house speaker paul ryan said there is just no point in trying to fake party unity around donald trump. but ryan also warned that any attempt to launch a third party candidate would be a disaster for republicans. major garrett is following the presumptive nominee. >> does the party have to be together? unified? i'm very different than everybody else. perhaps that has ever run for office. i actually don't think so. >> reporter: donald trump has broken with gop orthodoxy in recent days on issues like raising the federal minimum wage. here's what he said in november. >> i hate to say it, but we have to leave it the way it is. >> reporter: this was trump yesterday sounding more like a democrat. >> i don't know how people make

with that being said, i would look to see an increase of some magnitude. but rather leave it to the states. >> it will provide major tax relief. >> in september trump called for across the board tax cuts. now, trump is open to giving the wealthy a smaller break than first pro posed. trump policy shifts come as he tries to reassure conservatives like house speaker paul ryan he is one of them. today ryan told a milwaukee newspaper, we have right now a disunified republican party. we shouldn't sweep it under the rug without addressing it. trump suggest heed might want ryan to step aside as chair of the gop convention. if he continues to withhold his endorsement. ryan didn't argue. he's the nominee. i'll do whatever he wants with respect to the convention. >> trump did get the support today of three of the gop biggest donors, home depot ceo, ken

marco rubio trump said he would kid for vp would not endorse trump but campaign for house and senate republicans instead. >> major garrett, thank you. trump opened ape very personal line of attack targeting hillary clinton's marriage. nancy cordes has that. >> they're going after me with women. give me a break, folks. >> trump said last week he wants to take the high road. but already hit some potholes. >> she its married to a man who is the worst abuser of women in the history of politics. >> reporter: clinton allies argue, attacks like that will backfire. her approval ratings improved when her husband cheated. >> i am going to let him run his campaign however he chooses. clinton herself says she has heard it all before. but trump is taking it one step further. claiming clinton silenced women who accused her husband of harassment. >> she was a total enabler. he

and destroyed their lives. she treated these women horribly. she was an unbelieve nasty, mean, enabler. >> clinton held a coffee clach with working moms in virginia today and declined to address trump's specific allegations. >> i'm not running against him. he is doing a fine job of doing that himself. i am running my campaign, what i want to do as president. what i stand for. what i have always stood for. and what i, what i believe is going to make a difference to the people of the country. >> trump said today he only called clinton an enabler as retribution for playing what he calls, the woman's card. still, it is an unconventional line of attack from a man who has openly bragged about his own infidelities and once called bill clinton philandering, totally unimportant. >> nancy cordes, thank you. the u.s. pentagon said air strike killed the isisil

province. iraqi forces are trying to retake it. they gave charlie d'agata a rare look. >> bullet ridden beat up humvees only protection on offer for iraqi forces as we weaved our way along the back roads leading to fallujah. just driving through tall reids. for a time, got separated from the forward crew. they warned us they belief they have seen a car bomb driving through this territory. they told us to not get too close. but we never saw it nor did we see any u.s. advisers. the iraqi army and isis had fought to stand still since taking over this embattled city on baghdad's doorstep. colonel ahmed has been here since fallujah fell. >> same battle, two years. >> wow. a long time to be in the same battle. >> yeah. >> now he and his soldiers are holding on to this jagged edge

scattered among the abandoned homes and flattened buildings. fallujah has been home to brutal insurgency since the iraq war. in 2004. 100 u.s. marines and soldiers died here fighting the militants. colonel ahmed told us they never really went away. >> about as close as iraqi forces can get to the isis front line. the line of palm trees, 200 yards away within range of mortars and sniper fire. u.s.-led air strikes are of limited use here with many insurgents hiding among local resident. some of whom are loyal to isis. and colonel ahmed told us the city is also rigged with home made bombs. >> when you want to talk to home you don't see anything, but you stop something always. that's the, all of it. >> reporter: u.s. military advisers have been actively helping in the plan to retake the city, scott. while no one could tell us when th

iraqi government blames isis for launching terror attacks in the capital from fallujah. charlie, thank you. we asked the former head of the fda who is to blame for the painkiller epidemic. the "cbs overnight news"l wil right back. thope to see you again soon.. whoa, whoa, i got this. just gotta get the check. almost there. i can't reach it. if you have alligator arms, you avoid picking up the check. what? it's what you do. i got this. thanks, dennis! if you want to save fifteen percent or more on car insurance,

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we don't know yet what killed prince, but we know that he had opioid painkillers with him. millions take them. many are addicted. how did we lose control of opioids and how do we get the epidemic back in the bottle? jim axelrod spoke to one of america's most prominent doctors. >> this has been one of the great mistakes of modern medicine. >> dr. david kessler who ran the fda from 1990 to 1997 doesn't hold back when talking about the explosion in opioid use in the last two decades. >> who is to blame? >> fda has responsibility, pharmaceutical companies have responsibility, physicians have responsibility. we didn't see these

what they truly are. >> from 1999 to 2014, sales of opioids quadrupled in the u.s. and so did the number of opioid related deaths. >> there was the notion that pain was the fifth vital sign. that you wanted to relieve pain. that was essential. dosed until the pain was alleviated. >> that says kessler was a costly mistake. 78 people now die each day from overdosing on painkillers. but the cdc didn't issue prescription guidelines until this past march. recommending doctors try over the counter pain meds before prescribing limited quantities of opioids but not mandating they do so. >> given the fact that this country is in the middle of a crisis, are these guidelines strong enough? >> we'll see. >> this is an american

this is an american disease. >> in the 21 years since oxy contin came on the market it generated more than $35 billion in sales. >> the inappropriate promotion of drugs contributed significantly to this epidemic. but -- >> how? tell me how? >> because drug companies took a small piece, sliver of science, and widely promoted it. as not being addictive. that was false. >> reporter: while pill mills like this one in west virginia, are among the most visible signs of the epidemic. kessler says 2/3 of painkiller prescriptions are written by well intentioned physicians trying to do right by their patients. >> everybody has to do better. the cdc guidelines need to be implemented, pharmaceutical come pans need not

doctors need to prescribe more wisely and in a more limited way. but it is going to take a societal shift. it is bigger than any one of the steps in order to change this epidemic. >> when asked about his responsibility as the head of the fda, dr. kessler said the epidemic took hold after he left the agency in 1997. but scott he does admit he should have pushed for stricter prescription practices when she was still in charge. >> terrific interview, jim. thank you very much. in a moment we note the passing of one of the most familiar faces on television.

today criminal charges against three teenage girls in the death of a classmate in delaware. 16-year-old amy joyner francis died after she was assaulted last month in a high school bathroom. one of the accused posted a video. the girl who allegedly struck her is charged with criminally negligent homicide. the others are charged with conspiracy. well it seemed like william schallert was in every primetime tv show that ever was. in hundreds over 60 years, from "the patty duke show" and "star trek" and, playing an admiral on "get smart." >> uh-oh. >> william schallert died

he was 93. when we come

finally tonight, in vick tugs vick -- invictus is latin for unconquer unconquered, fitting title for wounded warriors in florida. it is the brain child of britain's prince harry. and demarco more gains in orlando. today, 40-year-old retired marine sergeant, anthony rios in top form in a practice run of wheelchair rugby six years to the day after he was hit on a combat mission in afghanistan. >> i thought to myself, man, i lost my leg. rios's leg was saved but he suffered a brain injury from the blast and had to learn to walk again. th

are now -- who you have developed, and tie together the great things you did in your life. >> the second invictus games. >> with olympic-style fanfare, prince harry warmly welcomed the 500 competitors here in orlando last night. it is not just physical injuries that invictus come pelt tors have overcome. every single one of them will have confronted tremendous emotional and mental challenges. >> a bumpy road. >> cbs this morning, norah o'donnell sat down with prince harry to talk about the games. >> what do you think your mother, princess diana would think about what you have done here for veterans? >> i hope she would be incredibly proud. i would love it if she was here and sure she would be running around causing chaos like i intend to. >> and very proud of you? >> i hope so. >> this week, rios and his fellow athletes will show it is not their injuries but their determination to overcome them

>> when i wake up in the middle of the night. i can't sleep. i do the pullups bar in my bedroom. i continue to use it. >> demarco morgan, cbs news, orlando. that's the "cbs overnight news" for this tuesday. for some of you the news continues. for others 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 scott pelley.

welcome to the "cbs overnight news." i'm michelle miller. north korea wrapped up its first ruling party congress in 36 years with a vow to produce more and better nuclear weapons. the delegates also crowned ruler kim jong-un, as the official head of the communist party. cementing his power. 130 foreign reporters were invited to cover the event. and they were tightly controlled. one british journalist was even kicked out of the country for speaking very ill of the leadership. adriana diaz is there. >> reporter: the relationship between the north korean government and the foreign press is a complicated one. today an already tense situation was made worse when the government expelled a reporter after taking issue with his

coverage. >> what is it you don't like me saying? >> rupert wingfield hayes was detained friday when he and his team were due to depart pyongyang. according to the bbc he was interrogated eight hours because the north korean government was not pleased with his reports on life in the capital. >> this is pyongyang. pyongyang is not north korea. pyongyang is a bubble and the people who live here are looked after. north korean officials say wingfield hayes distorted facts and spoke ill of the country and leadersh leadership, asked to sign an apology before he and his team departed the country monday. more than 100 reporters were invited here to cover the workers party congress. the first of its kind in 36 years. >> this is the cloes we will get to event we covered. a look at the building from across the street. but so far we have been shut out. relegated to watching on state tv. the event has

jong-un, the young leader of the rogue state. he used it to repeat a pledge not to use nuclear weapons unless north korea's independence is threatened. we will not use nuclear weapons first he said. unless aggressive hostile forces use them to invade our sovereignty. he called the country a responsible nuclear state. but north korea has said it will only dismantle its arsenal when the rest of the world does the same. in the meantime, the party voted to boost the nuclear program in quality and quantity. while kim maintained a commitment to boosting the country's nuclear capabilities, he said investing in the economy is equally important. and signalled a willingness to engage with countries hostile to north korea in the past. the invictus games continue today in orlando t 500 wounded warriors from a dozen countries competing in an olympic style format to. day they hold the finals of the

also the gold and bronze medal games and sitting volleyball. yesterday it was arch year, rogue, cycling. power lifting. british soldiers swept the medals in heavyweight. sean gaffney won the gold when he bench pressed 377 pound. the invictus games the brain child of britain's prince harry. he sat done to discuss his vision with norah o'donnell. >> looking good. >> to see prince harry in his comfort zone watch him with veterans. >> you are have got to be exhausted. >> reporter: a lot of camaraderie with you and the men and women here. how do you describe that? >> you know what i said to a lot of people in the past. i am probably view myself as captain wales first and prince harry second. i have done all the stuff. walked the walk. worn the t-shirt. done a lot of what the guys have done. been lucky enough not to be injured. seemed fitting to use

and stat to us bring a spotlight on to the individuals. create the platform. allow them to flourish. >> that platform its the invictus games. a competition of wounded servicemen and women around the world. prince harry launched the games from london in 2014. and admits expectations are high for their american debut. the second time around is always harder. bizarrely. this one has been harder. and just need to fill the seats and create the perfect atmosphere. >> reporter: come pelt tors like navy airman brett parks and air force captain christie wise. what are you competing in? >> track & field, running, swimming, rowing, cycling. i think i got them all. >> beth athletes lost limbs. not in action. >> you expect risks in afghanistan or africa or flying missions. but, it can happen anywhere, you know, any time. >> always joke with

plane ticket. didn't go there and get injured. >> brett broke up an armed robbery near his home in jacksonville. >> had a gun in sweatshirt pockets. fired two shots. one hit me. second shot missed. christie hit by a fishing boat paddle boarding the. >> lost 60% of my blood in the water the so happy to be here. >> reporter: christie's recovery has been remarkable. now back in the cockpit as an active duty pilot. she is quick to credit her family of high achievers which include an olympic gold medal winning brother and twin sister who is a doctor. >> when i am in pain i just have to survive it. you know they're the one whose see you in pain. can't do anything about it. so, i think it is harder on than it is for us. >> your wife was seven months pregnant at the time. this takes a huge toll on families. >> it does. my wife its my hero. she its the great woes man i have ever known. i didn't get to speak to her for

and -- i always joke and say that i would much rather be in my shoes than hers. because, every single day, she thought this was the last day that she would see me. >> this was one of the main reasons coming to orlando. the disney world next door. all of the families and friends are coming over. the kids are going to absolutely love it. i am going to love it. >> what do you think your brother. princess diana would think about what you have done here for veterans? >> i have -- hope she would be incredibly proud, sitting up having her own little party looking down thinking what we achieved, this is a massive team effort. what we have achieved. absolutely brilliant. i would love it if she was here. i am sure she would be running around causing chaos like i intend to. >> and very proud of you? >> i hope so. i hope so. >> ladies and gentlemen, the competitors of the second invictus games. >> you named it the invictus games. i think about the poem invictus. written by

henley, 150 years ago. i want to read from part of that poem." "it matters not how straight the gait, how charged with punishment the scroll for frz i am the master of my fate i am the cam tptain of my soul ♪ >> from our perspective it fit perfectly. >> poetry helps capture the spirit of the games but to see the determination of the athletes look at the pictures and listen to their hearts. >> they want to kick the ass out of life. >> kick the ass out of life? >> i have never heard a prince use that word before. >>some people back home say you can't say that word. it is a body part. dave henson, stood up and said it in london in 2014. i would never stop saying something like that. it's -- it's, that is the definition of what these guys are doing.

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when you think of earthquakes in america, you probably think of california, maybe alaska. but it turns out oklahoma is the earthquake cap tauchl the nation. and in 2809, oklahoma had two earthquakes of magnitude three or greater. last year there were 907 of them. nearly all of them were man made. bill whitaker reports for 60 minutes. >> the vast majority of earthquakes are small causing little or no damage. but what they lack in punch -- they make up in sheer volume. this tally from the u.s. geological survey shows the number of earthquakes in oklahoma has increased every year since 2009. with more than 2,000 magnitude three and above. that means more of t

ones like this 4.3 magnitude quake last december in edmond, oklahoma. >> i woke up scared to death. praying the house wouldn't fall down. i couldn't believe the windows didn't shatter. >> they are neighbors in edmond. >> what do you use? >> the one. >> they say they check their phone apps to track earthquakes around the state all day long. >> lack at that. >> cherokee, fairfield, stillwater. >> all in one day? >> one hour ago. two hours ago. four hours ago. >> this must be unnerving. >> it's no way to live. it's no way to live. >> cornell university seismologist katie kerrenan was teaching in oklahoma when the increase in quakes began. she says the situation is unprecedented. >> what's going on here in oklahoma has never been seen before? >> the number of earthquakes,

astounding. >> they have set up equipment to detect extremely small quakes in an area where there haven't been many. hoping the small quakes might provide warnings of larger ones. >> so far we only looked at data from four days of recording. so we see small earthquakes in the area. >> even over four days. >> even over four days. many dozens of earthquakes. >> reporter: many dozens? >> right. one of the first scientists to link the earthquakes to oil and gas production. >> these are man made earthquakes. >> most people feel the majority are linked to this water being. >> the water causing earthquakes not from fracking which is water and chemicals pumped under ground to free up oil and gas. this is naturally occurring water. that has been trapped below ground with the petroleum for millions of years. >> this is oil being pumped

oil, gas, walter. >> gary larue, president of a small indepennt oil company that operates 14 wells in oklahoma. what happens in this cylinder its what happens on a grand scale at wells across the region. the oil, gas and water, naturally separate. so the bubbles. >> salt water. gas up here. >> that's the gas. >> the oil. >> the oil. >> like every other operator in the region. big and small. larue's oil wells produce more oil than petroleum. gas and oil collected in tanks for sea. but the water is too briny to be recycled or used. it is considered waste. >> awful this is salt water. >> salt water. >> go back in the ground. have to get rid of it. >> reporter: getting rid of the water means sending it down a disposal well that's drilled deep below the freshwater, to prevent contamination and the zone where it came from. >> this is it? >> this is it.

>> well in the ground. >> the disposal well its more than one of 3,000 in oklahoma. the state created a website to explain the earthquakes. this map shows disposal wells as blue dots. orange dots are earthquakes. when the price of oil went over $100 a barrel in 2008. oil and gas production increased dramatically. so did all. waste water. and earthquakes. >> what's causing these earthquakes? >> what we have learned in oklahoma is that the earthquakes that are occurring in, in enormous numbers are the result of waste water injection. >> the professor of geofikzs at stanford university. zobak says there are two factors behind the earthquakes. one is the large volumes of walter being disposed. and the other is where it all goes. deep down into a layer of earth called the

>> what makes this such a good place to dispose of all the water? >> it is thick. porous. permable. it can accommodate large inject, rates. >> the only problem with the arbuckle it sits on top of the christa lean ba crystalene basement. >> the water pressure is seeping into the faults. the fault is clamped shut. the water pressure pushes the two sides of the fault apart and allows the slippage to occur today when it may not occur for thousand of years into the future. >> earthquakes are now a daily occurrence in oklahoma. but it was three quakes in november, 2011 near the town that caught everyone's attention. one was magnitude 5.6. the largest in oklahoma's history. >> having an earthquake right now. our lights shaking quite a bit here. >> it toppled a spire at saint gregory's university and severely

including the one where john and jerry loveland live with their two children. >> our bed was shaking. all you could hear was glass. >> earthquake insurance is something that you don't ever think you are going to have. >> here. >> specially in oklahoma. >> look most oklahomans, the lovelands didn't have earthquake insurance and have been duke their own repairs to save money. more than four years after the quake, jerry loveland often resorts to simply hiding the damage. >> doesn't that concern you? that you have a crack like this -- >> i am afraid if we went in and fixed these. and there was an earthquake, even a little. it will krakt all. then you have done all the work for no reason. >> not sure, covering it is fixing it. >> it's not fixing it. that its our only choice. not like we have the money off to bulldoze the house down and start over. that would be great. it's not going to happen. we have a mortgage. we live on one income. and i realize that is our choice, but our choice is great when somebody else dt

our house up. that is proven fact that somebody did it, not a natural disaster. >> oil and gas is oklahoma's largest industry. you can see its importance to the state from the oil rig in front of the capital. in recent years, companies like sandridge, chesapeake, new dominion and devin energy have employed one of six workers in oklahoma. all of the companies declined to provide someone to speak to us. for years, governor mary fallon was skeptical the quakes were connected to oil and gas production. as the the number of quakes skyrocketed she created an advisory council in 2014 to study the situation. last summer, fallon conceded a connection. >> i think we all know now there is a direct correlation between the increase of earthquakes that we have seen in oklahoma, with disposal wells. >> nonetheless, last year, the state cut the budget of the agencies investigating the

and gas industry. kim hatfield of the oklahoma independent petroleum association sits on the governor's council. he did agree to an interview, and insists the science is inconclusive. >> you have to understand -- that inject, into the arbuckle its not something that started in 2 02009, 2008, or 2000. this is something that has been going on, 60, 70 years. and we have had, and a sudden change. and the question is -- what changed? >> the amount of waste water injected into disposal wells last year is triple what it was in 2009. adding up to more than $200 billion gallons of water in seven years. >> the thing that is different. its the amount of water that the oil industry is pumping into the arbuckle formation. that's what's different. along with that difference, comes these

that's not the trigger. >> the injection of water is a factor. but it is not possibly the only factor. we don't know. >> you can seat full report on our web site cbsnews.com. the "cbs overnight news" will be right back. kind of have to listen. ...i she said "jen, go pro with crest pro-health advanced." advance to healthier gums... ...and stronger teeth from day one. using crest toothpaste and mouthwash makes my... ...whole mouth feel awesome. and my teeth are stronger too. crest-pro health advanced... ...is superior to colgate total... ...in these 5 areas dentists check. this check up? so good. go pro with crest pro-health advanced. mom's right...again! hey spray 'n wash is back...ews? and even better. it's powerful formula removes everyday stains the first time. which is bad news for stains, and good news for you.

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marijuana nor recreational use. now one public school is making marijuana education a part of its lesson plan. bear barry petersen reports. >> reporter: the students are seventh graders. >> locks into the receptors like taking a sledgehammer to it. >> reporter: this is the first pot-focused education course in colorado. >> how does it affect your behavior? >> when you -- smoke marijuana or use marijuana, it releases, there is some judgment. >> created by school counselor molly lots. >> these are the receptors in your brain. >> teacher sarah griffin. >> how does it affect your brain? >> its message to the kids that pot can damage your still developing brain is critical says griffith. they get. >> they get that. >> reporter: you think they're old enough to say, care what is happening to my brain? >> i think they are. >> this is s.

>> reporter: for more than 30 years. this is your brain on drugs. this has been the message to kids about drugs. >> hey, chris. want to get high? >> no way, man. that stuff is for losers. >> reporter: advertising campaigns and programs like dare. >> people like gangsters, people like drug dealers. >> preached the dangers of marijuana and other drugs. but in colorado, just saying no is no good. pot is now legal for recreational use by adults and prescribed by doctors as a medicine even for kids. >> these are some of the examples. >> which leaves colorado students surround by mixed messages. >> we still do have a couple parents here and there that aren't, think it is a little too early to start having the conversation. >> but superintendent darcy moore says this is when kids are starting to experiment. >> so between fifth and sixth grade is when we are starting to see that kids are actually talking about it. >> reporter: you are really

this? >> absolutely. we always stay one step ahead of the kids. if you don't, then you have lost the battle. >> i thought that doing something look this. >> pot education is supported right up to the top. colorado governor john hickenlooper. >> you cannot teach kids too early in age. we see hospital visits. a lot of the edibles that we are having troubles with. hospital visits are very young kids. >> reporter: taxes on marijuana help pay for the course, and its focus is kept narrow. >> we are not imparting morality. we are just trying to provide fact based science and researched backed information so that -- adolescents can try to navigate this very difficult and new environment. >> good. >> high times can mean confusing new times for young people. >> how does marijuana affect your language skills? >> reporter: and the teachers hope knowledge will be a kid's best defense.

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despite recent rain and flooding, 90% of california remanr remains in the grip of a four year long drought. most residents are trying to conserve. john blackstone found a gated community where you could be locked out for not watering your lawn. >> reporter: behind the gates of blackhawk an exclusive community of million dollar plus homes, the warning has gone out. no more brown lawns. over the past year, some blackhawk residents let their lawns die as californians were ordered to reduce water use. now, the blackhawk homeowners association is telling residents they must beautify their front yards even though officially california is still in a drought. >> a lot of lawns were just let go and it created problems of the atmosphere of blackhawk not

homes we have in here. you want everything to look nice. all this has been torn out. >> the association decleaned to comment. blackhawk homeowner gary shank confirmed he got a letter demanding improvements be made. he agreed to meet us outside the gates. >> they have recommended you put in tan bark, drought tolerant plants. they offered suggestions if you don't put in proper landscaping they will ask you in a nice way to improve it. >> reporter: if those living there do not improve their lawns the association threat tuned fine them and deactivate the device that opens the entrance gates. if blackhawk homeowners refuse to start watering their grass again, state drought regulations could be on their side. >> it is illegal. it is a state law right now that homeowners associations cannot fine anyone for refusing to water their grass. >> californians have been saving a lot out water. and el

and snow to the state helping fill big reservoirs. last fall one of the largest sources of water was nearly empty. now it is full. above its historical average. but the storms were not enough to quench the drought which could mean an end to a golden state staple. >> this drought may, in fact, last year may be the end of -- of the green lawn in california. just uses so much water. i think we have to get over it. >> reporter: some residents in the neighborhood responded by replacing grass with drought tolerant plants. others have torn up their lawns and gone to artificial turf. >> if you start cutting back so much where the lawns are dead, people aren't going to want to buy in here. >> reporter: the blackhawk homeowner association made it clear we are not welcome behind these gates. here at blackhawk, they value their privacy as much as their landscaping. and that's the "cbs overnight news" for this tuesday. for some of you, the news coue

bit later for the morning news and cbs this morning. from the broadcast center here in new york city. i'm michelle miller. tornados on the move. violent weather descend on the southwest. also tonight, the united states sues north carolina for violating transgender civil rights. >> this is about the dignity and respect that we accord our fellow citizens. tonight we are on the front lines in the war against isis. >> they warned us. they believe they have seen a car bomb driving through the territory. >> and, wounded warriors battling back. >> this is a way to keep who you are now and tie together the great things you did in your life. violent sorms turned deadly as they raced through the southern plains. a large tornado tore through the

oklahoma countryside and a number of buildings were destroyed. severe weather threatened more than 40 million people from the gulf coast all the way up to iowa. manuel bojorquez was in the storm zone. >> reporter: scott, a large system that is sweeping east and expected to impact this portion of north texas and parts of the southern plains. already in oklahoma, it has spawned at least three large tornados late this afternoon. there are reports of one being up to a mile wide. they were captured on tape as they rolled through rural areas near paul's valley, an hour south of oklahoma city. national weather service issued warnings telling oklahoma residents to take cover. we have seen early pictures of damage. late reports of at least one depth in oklahoma. the same system produced tornados over the weekend in colorado, either destroying tore damaging a handful of structures in the town of ray.

there. tornados are not the only threat as we head into the night hours for this part of the country. the storms scott are capable of producing high wind, large, damaging hail and flash floods. >> manuel bojorquez, thanks. in western canada rain was deliverance for fire crews praying for a break. light showers and cooler temperatures helped slow the explosive wildfire that they called the beast. at least 620 square miles of oil country has burned. ben tracy made it to the belly of the beast. >> reporter: inside fort mcmurray burned out homes and cars stretched for blocks. it's what's left after a devastating fire tore through town last tuesday. forcing more than 80,000 people to frantically evacuate. >> let's go! >> this is one of the hardest hit neighborhood from the fire as you can see. there are large parts of this neighborhood that are just completely gone.

completely burned out. >> from the air it is now clear that large parts of fort mcmurray survived. rachel knotley, alberta's premiere toured today. >> the smarts of the first responders, saved almost 90% of fort mcmurray. >> reporter: there its no electricity gas or drinkable water which means people in evacuation centers nearly a week won't be going home any time soon. christine cook told her young daughters, they're on a vacation. >> i'm terrified of what the drive is going to be going back into fort mcmurray. do i take it kids the first trip. you know what i mean? that's traumatizing to me. i think for my kids. >> the fire which is still burning out of control in some places and the massive smokescreen it created has nearly shuttered alberta's oil sand which account for nearly one third of canada's oil output. most of the people who work the oil jobs come from fort mcmurray. and now

work. having now seen fort mcmurray in person it looks like a tornado went through where you have some neighborhood that are just completely destroyed and others that look completely normal. that is why about 90% of town has been saved. scott i think a lot of people will be surprised by that. of course no consolation to those who have now lost everything. >> and the price of oil worldwide has been forced up by this, by the fire. ben, thanks very much. >> now to a legal firestorm. the u.s. justice department and the state of north carolina sued each other today. at issue, the new state law that the federal government says violates the rights of transgender americans. >> reporter: to day u.s. attorney general loretta lynch took the podium to say the state of north carolina violated federal laws. awe they created state sponsored discrimination against transgender individuals who simply seek to engage in the most private of functions in a place of safety and security. a right taken for granted by most of us. >> governor pat mcrory filed his

own lawsuit accusing the federal government of overreaching its authority. >> we believe a court rather than a federal agency should tell our state, our nation and employers across the country, what the law requires. >> the doj sent a letter to north carolina officials last week and warned them if the state didn't comply the government could withhold billions of federal dollars earmarked for the tar heel state including $1.4 billion to the unc school system. hb 2, known as the bathroom bill, said transgender people had to use restrooms based on the gender on their birth certificate. the debate sparked heated protests but the measure sailed through the legislature signed into law. dozens of corporations condemned the law. last month a long list of performers including bruce springsteen and pearl jam canceled shows there in protest of hb-2. madeline goss was born aan

transmen are men. we are just here trying to live our lives. we want everybody to see that. >> reporter: by one estimate, hb-2 could cost the state $4.8 billion in federal funding. scott, we are just now waiting on the ruling from a north carolina federal court. >> omar, thank you. today north korea said that it would use its nuclear weapons only to defend its homeland. the north's young dictator closed a party congress today that was choreographed to tighten his grip. adriana diaz reports. >> reporter: a confident-looking kim jong-un, strode to the stage in a western suit and tie. the first glimpse inside the workings of the congress. journalists were allowed to stay for ten minutes. the event a coronation of sorts for the country's leader to. day he was awarded an additional title, party chairman. >> kim has used the congress to underline his commitment to

north korea's nuclear program. but he repeated his vow not to use them unless provoked. western experts believe that north korea has the capability to build a nuclear bomb, but not the means to deliver it. at least so far. kim has repeatedly rebuffed u.s. requests that north korea abandon its nuclear program. north korea's one of the most reclusive nations in the world. and government guide have accompanied us everywhere. >> you get any opportunity to meet foreigners. bbc reporter rupert wingfield hayes was detained after he reported that much of what he was allowed to see looked like a setup. >> what is it you don't like me saying? >> north korean officials accused him of what they called insulting the dignity of their

th

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today the nation's top elected republican house speaker paul ryan said there is just no point in trying to fake party unity around donald trump. but ryan also warned that any attempt to launch a third party candidate would be a disaster for republicans. major garrett is following the presumptive nominee. >> does the party have to be together? unified? i'm very different than everybody else. perhaps that has ever run for office. i actually don't think so. >> reporter: donald trump has broken with gop orthodoxy in recent days on issues like raising the federal minimum wage. here's what he said in november. >> i hate to say it, but we have to leave it the way it is. >> reporter: this was trump yesterday sounding more like a demo.

>> i don't know how people make it on $7.25 an hour. with that being said, i would look to see an increase of some magnitude. but rather leave it to the states. >> it will provide major tax relief. >> in september trump called for across the board tax cuts. now, trump is open to giving the wealthy a smaller break than first pro posed. trump policy shifts come as he tries to reassure conservatives like house speaker paul ryan he is one of them. today ryan told a milwaukee newspaper, we have right now a disunified republican party. we shouldn't sweep it under the rug without addressing it. trump suggest heed might want ryan to step aside as chair of the gop convention. if he continues to withhold his endorsement. ryan didn't argue. he's the nominee. i'll do whatever he wants with respect to the convention. >> trump did get the support today of three of the gop biggest donors, home depot ceo, ken langone. marco rubio trump said he would

consider for vd said he would not endorse trump but campaign for house and senate republicans instead. >> major garrett, thank you. trump opened a very personal line of attack targeting hillary clinton's marriage. nancy cordes has that. >> they're going after me with women. give me a break, folks. >> trump said last week he wants to take the high road. but already hit some potholes. >> she its married to a man who is the worst abuser of women in the history of politics. >> reporter: clinton allies argue, attacks like that will backfire. her approval ratings improved when her husband cheated. >> i am going to let him run his campaign however he chooses. clinton herself says she has heard it all before. but trump is taking it one step further. claiming clinton silenced women who accused her husband of harassment. >> she was a total enabler.

she would go after these women and destroyed their lives. she treated these women horribly. she was an unbelieve nasty, mean, enabler. >> clinton held a coffee clach with working moms in virginia today and declined to address trump's specific allegations. >> i'm not running against him. he is doing a fine job of doing that himself. i am running my campaign, what i want to do as president. what i stand for. what i have always stood for. and what i, what i believe is going to make a difference to the people of the country. >> trump said today he only called clinton an enabler as retribution for playing what he calls, the woman's card. still, it is an unconventional line of attack from a man who has openly bragged about his own infidelities and once called bill clinton philandering, totally unimportant. >> nancy cordes, thank you. the u.s. pentagon said air

strike killed the isis military chief in the iraq anbar province. iraqi forces are trying to retake it. they gave charlie d'agata a rare look. >> bullet ridden beat up humvees only protection on offer for iraqi forces as we weaved our way along the back roads leading to fallujah. just driving through tall reids. for a time, got separated from the forward crew. they warned us they belief they have seen a car bomb driving through this territory. they told us to not get too close. but we never saw it nor did we see any u.s. advisers. the iraqi army and isis had fought to stand still since taking over this embattled city on baghdad's doorstep. colonel ahmed has been here since fallujah fell. >> same battle, two years. >> wow. a long time to be in the same battle. >> yeah. >> now he and his soldiers are

holding on to this jagged edge of a front line. scattered among the abandoned homes and flattened buildings. fallujah has been home to brutal insurgency since the iraq war. in 2004. 100 u.s. marines and soldiers died here fighting the ilitants. colonel ahmed told us they never really went away. >> about as close as iraqi forces can get to the isis front line. the line of palm trees, 200 yards away within range of mortars and sniper fire. u.s.-led air strikes are of limited use here with many insurgents hiding among local resident. some of whom are loyal to isis. and colonel ahmed told us the city is also rigged with home made bombs. >> when you want to talk to home you don't see anything, but you stop something always. that's the, all of it. >> reporter: u.s. military hevisers have been actively

while no one could tell us when that is likely to happen, the iraqi government blames isis for launching terror attacks in the capital from fallujah. charlie, thank you. we asked the former head of the fda who is to blame for the painkiller epidemic. the "cbs overnight news" will be right back. everyone loves how they feel in dark clothes. and to keep those darks from fading... there's woolite darks. it's free of harsh ingredients, keeping dark clothes looking like new for 30 washes so your love for dark clothes will never fade. woolite darks.

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we don't know yet what killed prince, but we know that he had opioid painkillers with him. millions take them. many are addicted. how did we lose control of opioids and how do we get the epidemic back in the bottle? jim axelrod spoke to one of america's most prominent doctors.

>> this has been one of the great mistakes of modern medicine. >> dr. david kessler who ran the fda from 1990 to 1997 doesn't hold back when talking about the explosion in opioid use in the last two decades. >> who is to blame? >> fda has responsibility, pharmaceutical companies have responsibility, physicians have responsibility. we didn't see these drugs for what they truly are. >> from 1999 to 2014, sales of opioids quadrupled in the u.s. and so did the number of opioid related deaths. >> there was the notion that pain was the fifth vital sign. that you wanted to relieve pain. that was essential. dosed until the pain was alleviated. >> that says kessler was a costly mistake. 78 people now die each day from overdosing on painkillers. but the cdc didn't issue prescription guidelines until this past march. recommending doctors try over the counter pain meds before prescribing limited quantities of opioids but not mandating they do so. >> given the fact that this country is in the middle of a crisis, are these guidelines strong enough? >> we'll see. >> this is an american condition.

>> in the 21 years since oxy contin came on the market it generated more than $35 billion in sales. >> the inappropriate promotion of drugs contributed significantly to this epidemic. but -- >> how? tell me how? >> because drug companies took a small piece, sliver of science, and widely promoted it. as not being addictive. that was false. >> reporter: while pill mills like this one in west virginia, are among the most visible signs of the epidemic. kessler says 2/3 of painkiller prescriptions are written by well intentioned physicians trying to do right by their patients. >> everybody has to do better. the cdc guidelines need to be implemented, pharmaceutical come pans need not overpromote. doctors need to prescribe more

way. but it is going to take a societal shift. it is bigger than any one of the steps in order to change this epidemic. >> when asked about his responsibility as the head of the fda, dr. kessler said the epidemic took hold after he left the agency in 1997. but scott he does admit he should have pushed for stricter prescription practices when she was still in charge. >> terrific interview, jim. thank you very much. in a moment we note the passing of one of the most familiar faces on television.

today criminal charges against three teenage girls in the death of a classmate in delaware. 16-year-old amy joyner francis died after she was assaulted last month in a high school bathroom. one of the accused posted a video. the girl who allegedly struck her is charged with criminally negligent homicide. the others are charged with conspiracy. well it seemed like william schallert was in every primetime tv show that ever was. in hundreds over 60 years, from "the patty duke show" and "star trek" and, playing an admiral on "get smart." >> uh-oh. >> william schallert died over the weekend. he was 93. when we come back-- the wound of war fail to conquer these heroes. the invictus games are next.

finally tonight invictus is latin for unconquered. a fitting title for the international competition of wounded warriors in florida. it is the brain child of britain's prince harry. and demarco morgan is in orlando. today, 40-year-old retired marine sergeant, anthony rios in top form in a practice run of wheelchair rugby six years to the day after he was hit on a combat mission in afghanistan. >> i thought to myself, man, i lost my leg. rios's leg was saved but he suffered a brain injury from the blast and had to learn to walk again. this is a way to keep who you

are now -- who you have developed, and tie together the great things you did in your life. >> the second invictus games. >> with olympic-style fanfare, prince harry warmly welcomed the 500 competitors here in orlando last night. it is not just physical injuries that invictus come pelt tors have overcome. every single one of them will have confronted tremendous emotional and mental challenges. >> a bumpy road. >> cbs this morning, norah o'donnell sat down with prince harry to talk about the games. >> what do you think your mother, princess diana would think about what you have done here for veterans? >> i hope she would be incredibly proud. i would love it if she was here and sure she would be running around causing chaos like i intend to. >> and very proud of you? >> i hope so. >> this week, rios and his fellow athletes will show it is not their injuries but their determination to overcome them

>> when i wake up in the middle of the night. i can't sleep. i do the pullups bar in my bedroom. i continue to use it. >> demarco morgan, cbs news, orlando. that's the "cbs overnight news" for this tuesday. for some of you the news continues. for others 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 scott pelley.

welcome to the "cbs overnight news." i'm michelle miller. north korea wrapped up its first ruling party congress in 36 years with a vow to produce more and better nuclear weapons. the delegates also crowned ruler kim jong-un, as the official head of the communist party. ementing his power. 130 foreign reporters were invited to cover the event. and they were tightly controlled. one british journalist was even kicked out of the country for speaking very ill of the leadership. adriana diaz is there. >> reporter: the relationship between the north korean government and the foreign press is a complicated one. today an already tense situation was made worse when the government expelled a reporter after taking issue with his coverage.

>> what is it you don't like me saying? >> rupert wingfield hayes was detained friday when he and his team were due to depart pyongyang. according to the bbc he was interrogated eight hours because the north korean government was not pleased with his reports on life in the capital. >> this is pyongyang. pyongyang is not north korea. pyongyang is a bubble and the people who live here are looked after. north korean officials say wingfield hayes distorted facts and spoke ill of the country and leadership, asked to sign an apology before he and his team departed the country monday. more than 100 reporters were invited here to cover the workers party congress. the first of its kind in 36 years. >> this is the cloes we will get to event we covered. a look at the building from across the street. but so far we have been shut out. relegated to watching on state tv. the event has been for kim

rogue state. he used it to repeat a pledge not to use nuclear weapons unless north korea's independence is threatened. we will not use nuclear weapons first he said. unless aggressive hostile forces use them to invade our sovereignty. he called the country a responsible nuclear state. but north korea has said it will only dismantle its arsenal when the rest of the world does the same. in the meantime, the party voted to boost the nuclear program in quality and quantity. while kim maintained a commitment to boosting the country's nuclear capabilities, he said investing in the economy is equally important. and signalled a willingness to engage with countries hostile to north korea in the past. the invictus games continue today in orlando t 500 wounded warriors from a dozen countries competing in an olympic style format to. day they hold the finals of the

also the gold and bronze medal games and sitting volleyball. yesterday it was arch year, rogue, cycling. power lifting. british soldiers swept the medals in heavyweight. sean gaffney won the gold when he bench pressed 377 pound. the invictus games the brain child of britain's prince harry. he sat done to discuss his vision with norah o'donnell. >> looking good. >> to see prince harry in his comfort zone watch him with veterans. >> you are have got to be exhausted. >> reporter: a lot of camaraderie with you and the men and women here. how do you describe that? >> you know what i said to a lot of people in the past. i am probably view myself as captain wales first and prince harry second. i have done all the stuff. walked the walk. worn the t-shirt. done a lot of what the guys have done. been lucky enough not to be injud.

and stat to us bring a spotlight on to the individuals. create the platform. allow them to flourish. >> that platform its the invictus games. a competition of wounded servicemen and women around the world. prince harry launched the games from london in 2014. and admits expectations are high for their american debut. the second time around is always harder. bizarrely. this one has been harder. and just need to fill the seats and create the perfect atmosphere. >> reporter: come pelt tors like navy airman brett parks and air force captain christie wise. what are you competing in? >> track & field, running, swimming, rowing, cycling. i think i got them all. >> beth athletes lost limbs. not in action. >> you expect risks in afghanistan or africa or flying missions. but, it can happen anywhere, you know, any time. >> always joke with people, saying i saved the government a plane ticket.

didn't go there and get injured. >> brett broke up an armed robbery near his home in jacksonville. >> had a gun in sweatshirt pockets. fired two shots. one hit me. second shot missed. christie hit by a fishing boat paddle boarding the. >> lost 60% of my blood in the water the so happy to be here. >> reporter: christie's recovery has been remarkable. now back in the cockpit as an active duty pilot. she is quick to credit her family of high achievers which include an olympic gold medal winning brother and twin sister who is a doctor. >> when i am in pain i just have to survive it. you know they're the one whose see you in pain. can't do anything about it. so, i think it is harder on than it is for us. >> your wife was seven months pregnant at the time. this takes a huge toll on families. >> i

she its the great woes man i have ever known. i didn't get to speak to her for 20 days. and -- i always joke and say that i would much rather be in my shoes than hers. because, every single day, she thought this was the last day that she would see me. >> this was one of the main reasons coming to orlando. the disney world next door. all of the families and friends are coming over. the kids are going to absolutely love it. i am going to love it. >> what do you think your brother. princess diana would think about what you have done here for veterans? >> i have -- hope she would be incredibly proud, sitting up having her own little party looking down thinking what we achieved, this is a massive team effort. what we have achieved. absolutely brilliant. i would love it if she was here. i am sure she would be running around causing chaos like i intend to. >> and very proud of you? >> i hope so. i hope so. >> ladies and gentle t

invictus games. >> you named it the invictus games. i think about the poem invictus. written by william earnest henley, 150 years ago. i want to read from part of that poem." "it matters not how straight the gait, how charged with punishment the scroll for frz i am the master of my fate i am the captain of my soul ♪ >> from our perspective it fit perfectly. >> poetry helps capture the spirit of the games but to see the determination of the athletes look at the pictures and listen to their hearts. >> they want to kick the ass out of life. >> kick the ass out of life? >> i have never heard a prince use that word before. >>some people back home say you can't say that word. it is a body part. dave henson, stood up and said it in london in 2014. i would never stop saying something like that. it's -- it's, that is the definition of what these guys are doing.

they understand this is a second chance in life. a lot of the guys taking part in the games should not be alive. now that is a reason to watch. >> uh-huh. >> you know? it's powerful formula removes everyday stains the first time. which is bad news for stains, and good news for you. spray 'n wash. back 'n better. >> i'm alex trebek. if you're age 50 to 85, this is an important message. so please, write down the number on your screen. the lock i want to talk to you about isn't the one on your door. it's a rate lock for your life insurance that guarantees your rate can never go up at any time, for any reason. but be careful. many policies you see do not have one, but you can get a lifetime rate lock through the colonial penn program. call this number to learn more. this plan was designed with a rate lock for people on a fixed income who want affordable life insurance that's simple to get.

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when you think of earthquakes in america, you probably think of california, maybe alaska. but it turns out oklahoma is the earthquake capital of the nation. and in 2009, oklahoma had two earthquakes of magnitude three or greater. last year there were 907 of them. nearly all of them were man made. bill whitaker reports for 60 minutes. >> the vast majority of earthquakes are small causing little or no damage. but what they lack in punch -- they make up in sheer volume. this tally from the u.s. geological survey shows the number of earthquakes in oklahoma has increased every year since 2009. with more than 2,000 magnitude three and above. that means more of the bigger

ones like this 4.3 magnitude quake last december in edmond, oklahoma. >> i woke up scared to death. praying the house wouldn't fall down. i couldn't believe the windows didn't shatter. >> they are neighbors in edmond. >> what do you use? >> the one. >> they say they check their phone apps to track earthquakes around the state all day long. >> lack at that. >> cherokee, fairfield, stillwater. >> all in one day? >> one hour ago. two hours ago. four hours ago. >> this must be unnerving. >> it's no way to live. it's no way to live. >> cornell university seismologist katie kerrenan was teaching in oklahoma when the increase in quakes began. she says the situation is unprecedented. >> what's going on here in oklahoma has never been seen before?

astounding. >> they have set up equipment to detect extremely small quakes in an area where there haven't been many. hoping the small quakes might provide warnings of larger ones. >> so far we only looked at data from four days of recording. so we see small earthquakes in the area. >> even over four days. >> even over four days. many dozens of earthquakes. >> reporter: many dozens? >> right. one of the first scientists to link the earthquakes to oil and gas production. >> these are man made earthquakes. >> most people feel the majority are linked to this water being. >> the water causing earthquakes not from fracking which is water and chemicals pumped under ground to free up oil and gas. this is naturally occurring water. that has been trapped below ground with the petroleum for millions of years. >> this is oil being pumped out. oil, gas, walter. >> gary larue, president of a small independent oil company that operates 14 wells in oklahoma.

what happens in this cylinder its what happens on a grand scale at wells across the region. the oil, gas and water, naturally separate. so the bubbles. >> salt water. gas up here. >> that's the gas. >> the oil. >> the oil. >> like every other operator in the region. big and small. larue's oil wells produce more oil than petroleum. gas and oil collected in tanks for sea. but the water is too briny to be recycled or used. it is considered waste. >> awful this is salt water. >> salt water. >> go back in the ground. have to get rid of it. >> reporter: getting rid of the water means sending it down a disposal well that's drilled deep below the freshwater, to prevent contamination and the zone where it came from. >> this is it? >> this is it.

>> what all the talk is about. >> well in the ground. >> the disposal well its more than one of 3,000 in oklahoma. the state created a website to explain the earthquakes. this map shows disposal wells as blue dots. orange dots are earthquakes. when the price of oil went over $100 a barrel in 2008. oil and gas production increased dramatically. so did all. waste water. and earthquakes. >> what's causing these earthquakes? >> what we have learned in oklahoma is that the earthquakes that are occurring in, in enormous numbers are the result of waste water injection. >> the professor of geofikzs at stanford university. zobak says there are two factors behind the earthquakes.

walter being disposed. and the other is where it all goes. deep down into a layer of earth called the arbuckle. >> what makes this such a good place to dispose of all the water? >> it is thick. porous. permable. it can accommodate large inject, rates. >> the only problem with the arbuckle it sits on top of the crystalene basement. >> the water pressure is seeping into the faults. the fault is clamped shut. the water pressure pushes the two sides of the fault apart and allows the slippage to occur today when it may not occur for thousand of years into the future. >> earthquakes are now a daily occurrence in oklahoma. but it was three quakes in november, 2011 near the town that caught everyone's attention. one was magnitude 5.6. the largest in oklahoma's history. >> having an earthquake right now. our lights shaking quite a bit here. >> it toppled a spire at saint

severely damaged 14 houses including the one where john and jerry loveland live with their two children. >> our bed was shaking. all you could hear was glass. >> earthquake insurance is something that you don't ever think you are going to have. >> here. >> specially in oklahoma. >> look most oklahomans, the lovelands didn't have earthquake insurance and have been duke their own repairs to save money. more than four years after the quake, jerry loveland often resorts to simply hiding the damage. >> doesn't that concern you? that you have a crack like this -- >> i am afraid if we went in and fixed these. and there was an earthquake, even a little. then you have done all the work for no reason. >> not sure, covering it is fixing it. >> it's not fixing it. that its our only choice. not like we have the money off to bulldoze the house down and start over. that would bea

it's not going to happen. we have a mortgage. we live on one income. and i realize that is our choice, but our choice is great when somebody else didn't screw our house up. that is proven fact that somebody did it, not a natural disaster. >> oil and gas is oklahoma's largest industry. you can see its importance to the state from the oil rig in front of the capital. in recent years, companies like sandridge, chesapeake, new dominion and devin energy have employed one of six workers in oklahoma. all of the companies declined to provide someone to speak to us. for years, governor mary fallon was skeptical the quakes were connected to oil and gas production. as the the number of quakes skyrocketed she created an advisory council in 2014 to study the situation. last summer, fallon conceded a connection. >> i think we all know now there is a direct correlation between the increase of earthquakes that we have seen in oklahoma, with disposal wells. >> nonetheless, last year, the state cut the budget of the agencies investigating the quakes and regulating the oil and gas industry.

kim hatfield of the oklahoma independent petroleum association sits on the governor's council. he did agree to an interview, and insists the science is inconclusive. >> you have to understand -- that inject, into the arbuckle its not something that started in 2009, 2008, or 2000. this is something that has been going on, 60, 70 years. and we have had, and a sudden change. and the question is -- what changed? >> the amount of waste water injected into disposal wells last year is triple what it was in 2009. adding up to more than $200 billion gallons of water in seven years. >> the thing that is different. its the amount of water that the oil industry is pumping into the arbu

along with that difference, comes these earthquakes. that's not the trigger. >> the injection of water is a factor. but it is not possibly the only factor. we don't know. >> you can seat full report on our web site cbsnews.com. the "cbs overnight news" will be right back. can't wait to start telling people how switching to geico could save them hundreds of dollars on car insurance. but first, my luggage. ahh, there it is. uh, excuse me, sir? i think you've got the wrong bag. sorry, they all look alike, you know? no worries. well, car's here, i can't save people money chatting at the baggage claim all day. geico®. fifteen minutes could save you fifteen percent or more on car insurance. i use resolve pet foam. spray it on evenly. rub it in. and then i vacuum. it's like i have a brand new carpet. and, rigby is enjoying it as well.

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colorado was the first state in the nation to legalize marijuana nor recreational use. now one public school is making marijuana education a part of its lesson plan. barry petersen reports. >> reporter: the students are seventh graders. >> locks into the receptors like taking a sledgehammer to it. >> reporter: this is the first pot-focused education course in colorado. >> how does it affect your behavior? >> when you -- smoke marijuana or use marijuana, it releases, there is some judgment. >> created by school counselor molly lots. >> these are the receptors in your brain. >> teacher sarah griffin. >> how does it affect your brain? >> its message to the kids that pot can damage your still developing brain is critical says griffith. they get.

>> they get that. >> reporter: you think they're old enough to say, care what is happening to my brain? >> i think they are. >> this is drugs. >> reporter: for more than 30 years. this is your brain on drugs. this has been the message to kids about drugs. >> hey, chris. want to get high? >> no way, man. that stuff is for losers. >> reporter: advertising campaigns and programs like dare. >> people like gangsters, people like drug dealers. >> preached the dangers of marijuana and other drugs. but in colorado, just saying no is no good. pot is now legal for recreational use by adults and prescribed by doctors as a medicine even for kids. >> these are some of the examples. >> which leaves colorado students surround by mixed messages. >> we still do have a couple parents here and there that aren't, think it is a little too early to start having the conversation. >> but superintendent darcy moore says this is when kids are starting to experiment. >> so between fifth and sixth grade is when we are starting to seth

talking about it. >> reporter: you are really trying to be preemptive about this? >> absolutely. we always stay one step ahead of the kids. if you don't, then you have lost the battle. >> i thought that doing something look this. >> pot education is supported right up to the top. colorado governor john hickenlooper. >> you cannot teach kids too early in age. we see hospital visits. a lot of the edibles that we are having troubles with. hospital visits are very young kids. >> reporter: taxes on marijuana help pay for the course, and its focus is kept narrow. >> we are not imparting morality. we are just trying to provide fact based science and researched backed information so that -- adolescents can try to navigate this very difficult and new environment. >> good.

>> high times can mean confusing new times for young people. means you have ups and downs. one day you're doing great in school, and the next you're failing math. just when you're getting along with your family, you find out your friends are talking about you behind your back. or, maybe you just won four gold medals at the olympics, but you still get grounded for using your cell phone at the dinner table. you fight to be noticed, you struggle to fit in. you worry about who you are, or who others think you are. it's completely normal...but sometimes it's not a lot of fun. and sometimes, it's hard to go through it alone. the good news is, you don't have to. all you have to do is use your voice. yourlifeyourvoice.org. 24/7 they can help you figure it out. help you decide what's right for you. just call or click to start the conversation. being a teen means you have ups and downs. even if you have one of these. mom: uh, be careful with that. missy: i will mom. (tdd# 1-800-448-1433)

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it's tuesday, may 10th, 2016, this is the "cbs morning news." at least two people are dead after a massive tornado tore across oklahoma with storms set to spawn more twisters today. it's a date. republican leaders agree to meet with donald trump as he tries to unite his party, while the democrats are still divided and still fighting for primary votes. and dueling lawsuits over north carolina's controversial bathroom law. why the state's governor says he's not backing down from a fight with the justice department any time soon.