scott is off tonight. i'm charlie rose. a blistering government report critical of hillary clinton dropped right into the center of the presidential campaign today. the state department inspector general says clinton violated security guidelines when she used a private e-mail server as secretary of state. clinton has said she did it for convenience, but the report says she used private e-mail because she was concerned about anyone getting access to her personal information. nancy cordes has more. >> what i did was allowed by the state department. >> reporter: clinton has never said who authorized her use of a private e-mail server, and today we learned why: the internal audit found no evidence that the secretary requested or obtained guidance or approval. the report said diplomatic security officials did not and would not have signed off because the arrangement violated policies implemented in 2005. >> there were no security breaches. >> reporter: clinton has long insisted her home server was secure, but the report cites e-mails from her private technology adviser warning in january 2011 that he had to shut down the server because he believed someone was trying to hack it, and while they did not get in, i didn't want them to have the chance to. later that day, he sent a second message. "we were attacked again, so i shut the server down for a few minutes." state department i.t. staffers who expressed concerns about clinton's setup were rebuffed. one was told by higher-ups the matter was not to be discussed any further. another was instructed never to speak of the secretary's e-mail system again. >> i made it clear i'm more than ready to talk to anybody any time. >> reporter: despite her vow to cooperate with a separate f.b.i. investigation, clinton and most of her top aides refused to be interviewed for this state department report, and she didn't answer our shouted questions today. secretary clinton, your reaction to the inspector general's report? but her campaign chose to review the report in a positive light. press secretary ryan fallon. >> i think the report today backs up much of what we were saying and includes an appropriate amount of context about how widespread the use of personal e-mail was, so i think the report today puts a lot of those questions to bed based on how fair it was in explaining that the use of personal e-mail was widespread and done by her predecessors, includinger secretary powell. >> reporter: the report concluded mistakes were made by previous secretaries and by the department as a whole, and aides traveling with clinton here in california could not explain today, charlie, why clinton didn't cooperate with a probe conducted by the agency that she headed for four years. >> rose: thanks, nancy. donald trump was quick to respond to the inspector general's report. at a rally today in anaheim, california, here's major garrett. >> she's as crooked as they come. >> reporter: donald trump could not resist needling hillary clinton over today's news about her private e-mail server. >> she had a little bad news today, as you know, from some reports came down, weren't so good, but not so good. >> reporter: then trump turned to his own headline-making news from last night. >> within that arena, it was so... it was like a lovefest. it was beautiful. >> reporter: that assessment left out the numerous interruptions by protestors. is it fun to be another a trump rally? is this the greatest? all right. get 'em out. get 'em out. come on. go home to mommy. >> reporter: outside the event, four were arrested. large crowds tussled with police and crashed through barriers. upset over trump's harsh immigration proposal. >> we need the make sure that he knows that we do not accept the message that he's bringing. >> reporter: on twitter trump called the protesters thugs who were flying the mexican flag. at the rally trump hit back at senator elizabeth warren after she criticized trump's 2006 boast he could profit if the real estate market crashed. >> what kind of man does that? a small, insecure, money grubber who doesn't care who gets hurt as long as he makes a profit off it. >> reporter: trump raised the disputed claim warren once made that she is of native american dissent. >> it's pocahontas elizabeth warren, she was going out, she is probably the senator that is doing just about the least in the united states senate. >> reporter: these fresh attacks come as trump wrestles over party unity. last night he criticized new mexico's republican governor, susannah martinez, and charlie, tonight trump will talk by phone with house speaker paul ryan, who, like martinez, has withheld his endorsement. >> rose: thanks, major. outside that trump rally if anaheim today, police proved in when protesters clashed with trump supporters. several arrests were made. forecasters expect more severe storms tomorrow in the great plains. parts of kansas and oklahoma are still reeling from tornadoes that struck yesterday. omar villafranca reports the clean-up is just beginning. >> reporter: front loaders are scooping up all this is left of kathy hamilton's home in dodge city. this is what hamilton's house looked like before the storm. >> oh, no. >> reporter: but an ef-3 tornado, packing at east 136mph winds, decimated her house, leaving behind a twisted metal frame and some cinderblocks. >> it's gone. everything is gone. >> oh, it's hitting the house. >> reporter: yesterday's storm system raked across the country's mid-section, killing one and injuring two more. the storm spawned tornadoes in kansas and oklahoma. >> oh, my gosh. >> reporter: at one point storm chasers spotted multiple twisters on the ground. >> there's three tornadoes on the ground at the same time. good night. >> reporter: in eastern oklahoma, at least eight homes in bristow were damaged by an ef-1 tornado with 100mph winds. back in dodge city, the only room kathy hamilton can go back to is the storm shelter that saved her family's life. >> i am here today because the good lord is not done with me yet. my first saving we my lord. the second saving was our storm shelter. >> reporter: just to show you the power of f3 tornado, this is all that's left of a three-quarter-ton pick-up truck. you may notice, those are some seats. the truck was thrown 150 yards, and, charlie, the engine was thrown even further. >> rose: incredible devastation. thank you, omar. today the head of the transportation security administration was in the line of fire on capitol hill at a congressional hearing he promised more than 750 new screeners by mid-june. the agency also drew fire over security gams exposed by jeff pegues. >> reporter: today the union representing police officers who work at j.f.k. blasted the transportation security administration for a lack of attention to the screening of all airport workers. it was a response to this cell phone video obtained by cbs news, which shows airport workers swiping a key card and entering a secure area. no one verifies their identities or checks their bags. at a hearing on capitol hill today, house homeland security committee chairman michael mccaul also warned about the so-called "insider threat." >> militants are trying to recruit insiders and inside jobs to take down passenger jets. >> reporter: t.s.a. administrator peter neffenger says airport employees' screening has improved. >> i think it's far more effective this year than it was even las year. >> reporter: the t.s.a. now has full access to the biggest terror watch list maintained by the f.b.i., however, the agency checks employee criminal records only every two years. neffenger says a test program could soon change that. >> assuming that that goes well, then we will implement that full-time by the end of if calendar year, and that will be continuous vetting against the criminal databases, as well. >> reporter: the port authority of new york and new jersey has not responded to our repeated request for comment about those cell phone videos. charlie, just three airports, miami, orlando and atlanta, have instituted 100% screenings of employees and their bags. >> rose: thanks, jeff. president obama flew from vietnam to japan today. he was soon drawn into a bitter controversy, the recent murder of a japanese woman allegedly by an american contractor. margaret brennan is traveling with the president. >> reporter: japanese prime minister shinzo abe publicly lectured president obama, telling him that his people felt profound resentment for a despicable crime. a stern-faced obama said he was appalled and offered his deepest regrets. >> we consider it inexcusable, and we are committed to doing everything that we can to prevent any crimes from taking place of this sort. >> reporter: 32-year-old kenneth franklin shinzato, an american contractor and former marine, allegedly raped and murdered 20-year-old rina shimabukuro on the island of okinawa, site of a major u.s. military base. thus of protesters have taken to the streets, some calling for the closure of all u.s. bases in japan, where more than 50,000 u.s. troops are stationed. charlie, this casts a shadow over a trip that was meant to strengthen ties between the two countries. later this week, mr. obama will be the first american president to visit hiroshima, a city that was devastated when the u.s. dropped a nuclear bomb there during world war ii. >> rose: thanks, margaret. tonight we continue our investigation of the opioid epidemic, which is taking more than 80 lives a day. west virginia, which leads the nation in overdose deaths, is fighting the epidemic in court by suing six national companies that distribute painkillers. here's jim axelrod. >> reporter: this is what the opioid crisis looks like in west virginia. people addicted to pain pills lining up on foot and in cars at a small-town drugstore to get their prescriptions filled. >> in 2014, almost 19,000 people died from opioid overdose. we're in the talking about heroin. >> reporter: mohammed sohel rana was with the d.e.a. for 29 years. he says wholesale drug distributors play a huge part in the epidemic. if a pharmacy is ordering 5,000 tablets per month over a series of months, that's not a big deal? >> one month he orders 30,000 tablets. then the following month he orders 60,000 tablets. and now he's up to 100,000 tablets. well, the wholesalers were seeing this, and no one was filing suspicious orders. >> they have a legal obligation to report the suspicious patterns not d.e.a.? >> yes. and they weren't doing that. >> reporter: during the last ten years, the d.e.a. has brought 12 civil suits against drug wholesalers for breaking that law. mckesson, the nation's largest drug distributor, is at the top of that list. the d.e.a., along with six states, sued mckesson in 2008 for supplying hundreds of suspicious hydrocodone orders to rogue pharmacies. mes kesson settled, paying more than $13 million in fines and agreeing to closely monitor their pill supply. >> even after we charged them civilly and took civil fines after them, even after they had memorandums of understanding that they knew what to do now, three years later, they started violating the law again. >> reporter: this time the wholesaler paid $150 million in fines and had distribution centers suspend operations in four states. does the pursuit of profit outweigh compliance with the law? >> yes. a civil penalty of a few million dollars or tens of millions of dollars means nothing when you're making, you know, essentially billions of dollars. >> reporter: now, in a potentially precedent-setting suit, west virginia is suing mckesson. records reveal in a five-year period, the wholesaler delivered nearly 100 million opiates to a state with 1.8 million people. the suit alleges that while west virginia was drowning in painkillers, mckesson continued to incentivize sales of oxycodone and hydrocodone. last winter we traveled to this small appalachian farm where we found tug valley pharmacy, which until january was supplied by mckesson. >> hi. i'm jim axelrod with cbs news. we discovered that the pharmacist here is facing several charges for negligence, admitting to filling 150 pain prescriptions daily for one clinic alone. you're named in a lawsuit alleging substandard care. >> right. >> reporter: you have nothing to say to me directly? mckesson terminated its contract with tug valley, but only after learning about the charges from our cbs news investigation, raising the question: why hadn't the company discovered that on its own? >> they see the tragedy that's happening with these drugs. why won't you be a good corporate citizen and pull back? one day it could be one of your neighbors or god forbid one of your kids. why wouldn't you do that? >> reporter: as for mckesson, the company issued this station, "wile we don't comment on pending litigation, we share the view the substance abuse epidemic is a serious problem, and we will continue to work with our supply chain partners in support of prevention efforts." charlie? >> rose: thanks, jim. still ahead on the "cbs evening news," could a $2 repair save lives in car crashes? and that young fella, the championship speller. >> u-l-t-r-a-m-i-c-r-o-s-c-o-p-i-c -- if you've gone to extremes to escapetry 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video shows seats can fail in rear-end collision, launching the front seat occupant into the back of the vehicle. our investigation found more than 100 people, mostly children, have been severely injured or killed by seatback failures since 1989. >> without cbs, this is just one other safety issue that might have stayed under the rug for another generation. >> reporter: today democratic senators ed markey and richard blumenthal sent this letter to honda and 16 other automakers demanding answers. the national highway traffic safety administration sets the standard for seat strength, and all cars meet or exceed it, but it's a standard so low this banquet chair passes. and markey says it would only cost a few dollars per vehicle to fix. >> that's a in brainer. that's something that the auto industry should do itself. but if it doesn't, then nhtsa should make them do it. >> reporter: nhtsa says it does not have enough data to support changing the standard, but administrator mark rosekind acknowledged the number of deaths due to seatback failures have likely been underestimated by the agency. >> we need to figure out for anyone that's been lost what else we can do. nhtsa will look at every tool we have available to try to save them. >> reporter: nhtsa and safety experts do agree that the back seat of a car is still the safest place for children. charlie, ought to makers say their cars are safe. they have until june 23rd to respond to the senators. >> rose: thanks, kris. still ahead, we'll be back with more news in a moment. re was almost always on my mind. thinking about what to avoid, where to go... and how to deal with my uc. to me, that was normal. until i talked to my doctor. she told me that humira helps people like me get uc under control and keep it under control when certain medications haven't worked well enough. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal infections and cancers, including lymphoma, have 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nausea, and abdominal pain. stay ahead of ibs-d... with viberzi. >> rose: the national spelling bee began today in washington. chip reid had a word with one remarkable contestant. >> inviscate. i-n-v-i-s-c-a-t-e. >> reporter: just six years old, akash vukoti is by far the youngest contestant at the national spelling bee, and he's not even a little intimidated by all those seasoned veterans. he was two years old when his family discovered his almost scary talent. >> apple, a-p-p-l-e, apple. >> reporter: in competitions he's always looking for an edge. >> may i have the definition please. >> reporter: he's not much on chitchat. do you love spelling? >> yeah. >> reporter: do you have favor word? >> yes. >> reporter: what is it? >> pneumonoultramicroscopicsilicovo lcanoconiosis. >> reporter: can you spell it for me? p-n-e-u-m-o-n-o-u-l-t-r-a-m-i-c- l-c-a-n-o-c-o-n-i-o-s-i-s. p-n-e-u-m-o-n-o-u-l-t-r-a-m-i-c- r-o-s-c-o-p-i-c-s-i-l-i-c-o-v-o- l-c-a-n-o-c-o-n-i-o-s-i-s. pneumonoultramicroscopicsilicovo lcanoconiosis so how does he do it? he told us the words appear to him. you actually see the word in your brain? >> yeah. we had one more question? can you spell the word adorable? >> a-d-o-r-a-b-l-e. >> reporter: you're looking at adorable, even in defeat. late today he misspelled bacteriolytic and he's out of the competition, but you can be sure he's he'll be back next year. >> rose: i can't even pronounce it. for scott pelley, i'm charlie rose. we'll sue you first thing tomorrow tonight, is another kelly cat fight brewing. >> this type of thing ha all the time. >> we're with joy today. was she ripping ripa. plus, you heard it here first, why rob lowe is a frontrunner for michael strahan's seat. >> i'm telling you, i hear stuff. >> then backstage with nyle after his dancing win, and breaking news about his partner's pregnanc also jay-z breaks his silence on beyonce's lemonade cheating rumors. plus, beach bodies at any age. and my oprah onset exclusive. >> oh, my gosh, it's so good. >> how she really feels about returning to tv. >> do you get a little anxious? now for may 25th, 2016, this is "entertainment tonight."