little later for the morning news and "cbs this morning." from the broadcast center in new york welcome to the "cbs morning news." president obama becomes the first u.s. president to visit history in hiroshima. president obama is the first president to visit since 1945. donald trump is looking to his legacy. >> i want a statue in washington, d.c. maybe we share it with jefferson or something.

flyer frustration boils over to airlines as they air their grievances with the tsa on capitol hill. heading into a busy holiday weekend, now airlines are pitching in to help out. >> feldenkrais, f-e-l-d-e-n-k-r-a-i-s, feldenkrais. >> that's correct. [ applause ] >> and for the second straight year, two students will share the national spelling bee title. the winning words and what they even mean. good morning from the studio 57 newsroom at cbs news here in new york. i'm anne-marie green. today, president obama becomes the first sitting president to visit hiroshima where seven decades ago the united states dropped the first atomic bomb. early this morning, mr. obama arrived at a marine corps air station about 26 miles southwest

of the city. he'll travel to hiroshima's peace memorial park to place a wreath. the bomb killed an estimated 140,000 people. he did not apologize for the bomb or president truman's decision to use it but acknowledged a massive loss on that day that would endure for decades. >> 71 years ago on a bright, cloudless morning, death fell from the sky, and the world was changed. a flash flood of light and a wall of fire destroyed a city and demonstrated that mankind possessed the means to destroy itself. >> the u.s. dropped a second atomic bomb on the city of nagasaki three days later killing 70,000 more. it was nearly a year ago that donald trump launched an unlikely campaign for the republican presidential nomination.

he's knocked off 16 rivals, and cbs news estimates trump hit the magic number yesterday, reaching 1,238 delegates. one more than he actually needs. hena daniels is here in new york. good morning. >> reporter: good morning. trump is campaigning in california today. a state he says he can win in november. yesterday, he celebrated his remarkable political win and looked forward to the campaign to come. >> we had a big day today. today was the day where we hit the 1,237. >> reporter: billionaire businessman donald trump celebrated his lock on the gop nomination with a big mac aboard his private jet. >> now we're the nominee. we're going to have a great convention. >> reporter: these two north dakota delegates were ted cruz supporters until they switched their alliance thursday morning. >> i asked how many delegates do you have. they said they were sitting at 1,235.

i said, let me let you talk to 1,236. >> he's the only person left in the battle. i decided to be the 1,-23. >> reporter: in an unprecedented move, trump and bernie sanders may face off in a primetime debate, excluding democratic front-runner hillary clinton. >> very excited about it. and i think i'm going to have to rent out the largest stadium you have here in california. [ applause ] >> reporter: clinton says not so fast. >> i'm telling you, i am so looking forward to debating donald trump. i can't wait! >> reporter: before that happen, clinton has to clinch her party's nomination. she's fewer than 100 delegates away, but a new poll shows she's neck and neck with sanders in california where 475 delegates are at stake on june 7th. that proposed debate between trump and bernie sanders is far from a done deal. trump says he wants the network that carries it to donate $10 million to charity. anne-marie? >> we'll see how that goes. hena daniels here in new york.

thanks a lot. if you're one of the 2.6 million americans expected to fly this holiday weekend, there is a good chance you will run into long airport security lines. the tsa says it's working to try and resolve the issue, and yesterday congress heard from travel executives. mark albert reports. >> reporter: airline and airport executives testified before congress thursday about the impact long lines at tsa checkpoints is having on their business. carrie filapovich says customers are fed up. >> year to date, more than 70,000 american airlines customers have missed flights due to excessive wait times. >> reporter: a new poll shows more than 20% surveyed are changing or canceling summer travel plans because of the delays. not everyone we talked with worried about the long lines. >> speeding things up becomes a major issue. and our safety's a little more important. >> reporter: tsa officials say the biggest problem is they need to hire and train more screeners, meaning long lines at

some airports could last throughout the summer. nearly 450 million passengers have been screened this year. that's up 57 million or 12% over last year. the tsa is doing it with 5,800 fewer screeners than in 2011. congressman buddy carter says outsourcing would solve the problem. >> i'm convinced that the private industry can do this just as well with oversight with tsa and save money and improve customer service. >> reporter: 22 airports across the nation have privatized the screening process, including san francisco national airport. mark albert for cbs news, arlington, virginia. airlines are pitching in to help free up tsa screeners. american has contributed $4 million, and delta has chipped in five more to hire people to do non-security-related work at checkpoints.

coming up on "cbs this morning," we'll talk with homeland security secretary jeh johnson about the airport delays and what the tsa is doing to remedy the situation. another night of severe weather across the plains and southeast. there's flooding in austin where rescue crews are searching for two people who were swept away by rushing water. 137 roads are closed. late yesterday, a tornado rolled through the middle of bryant, texas, northwest of houston. more than 60 homes were damaged. three were completely destroyed. more rain and dangerous flooding is forecast, but there are no reports of serious injury. 19 people who were trapped by rising water in a kentucky cave were able to make their way to safety. two tour groups were in the hidden river cave in central kentucky when a storm hit sooner and harder than expected. the water was neck deep and moving fast. the stranded cavers lost communications. one group, including students from clemson university, was stuck for more than six hours.

two police officers got trapped when they tried to rescue the group. new overnight now, search teams may have picked up a egypt's chief investigator says the signal may be coming from the plane's emergency locator transmitter and doesn't mean the plane's so-called black boxes have been located. it does narrow the search area. the jet went down in the mediterranean last week with 66 people on board. this morning, there was an engine fire on a korean air jet about to take off from tokyo. all 302 passengers and 17 crew members evacuated. fire crews used foam to battle the fire. the boeing 777 was headed to seoul. there are unconfirmed reports that seven people were injured during the evacuation. the navy says it's not sure what caused two of its jet fighters to crash into the ocean off the coast of north carolina. the fa-18 super hornet fighters went down during what's described as an in-flight mishap off the coast of cape hatteras during a training mission

yesterday. there were two crewmen on the jet. two were rescued by a fishing boat and transferred to a coast guard helicopter. the other two, the coast guard hoisted out of the water. >> there were a couple of oil scenes. we could tell where the aircraft had went down into the ocean. >> all four airmen are in good shape, suffering just minor injuries. coming up on the "cbs morning news," a bounce for women's soccer. the national soccer team gets support from the senate in its bid for equal pay. "cbs morning news." ♪ having acne... ...was always on my mind. so i asked a dermatologist about new aczone dapsone gel 7.5%. i apply it once a day, any time. aczone gel 7.5% is fda approved for the topical treatment of acne for people 12 years and older. aczone gel is a once-a-day acne treatment with clinically proven results. in clinical trials, acne got better for people using aczone gel in just 12 weeks.

aczone gel may cause the serious side effect of methemoglobinemia, which decreases oxygen in your blood. stop taking aczone gel and get medical help right away if your lips, mouth, or nails turn grey or blue. talk to your doctor if you have g6pd deficiency. using benzoyl peroxide with aczone gel may cause skin or facial hair to temporarily turn yellow or orange where applied. common side effects of aczone gel include dryness and itching of treated skin. now, i have less acne to think about because i use aczone gel. you could pay as little as $15 for aczone gel. learn more at aczone.com aczone. prescription treatment. proven results. my man friend that i've been syour man friend. like, as i was leaving i was like, "goodbye, i love you," and like... (laughs) what'd he say? i said, "don't say anything!" oh god! (laughs) 'cause now like, this is the cliffhanger, so we don't know if he loves you. what's gonna happen if he doesn't? sir, can you hear me? two, three. just hold the bag. we need a portable x-ray, please! [ nurse ] i'm a nurse.

i believe in the power of science and medicine. but i'm also human. and i believe in stacking the deck. [ female announcer ] to nurses everywhere, thank you, from johnson & johnson. when your symptoms start... to distracting you?e, doctors recommend taking ...non-drowsy claritin every day of your allergy season. claritin provides powerful, non-drowsy 24 hour relief... for fewer interruptions from the amazing things you do every day. live claritin clear. g-e-s-e-l-l-s-c-h-a-f-t. >> that is correct. [ applause ]

>> 11-year-old nirah denga nails it to become the youngest winner of the national spelling bee. he tied a 13-year-old, younger brother of the 2015 championship. he spelled feldenkrais, body movements designed to ease tension. each wins cash and prizes. and you learned two new words today. the u.s. women's soccer team scores big in its fight for equal pay, and the latest in gawker's battle with a tech billionaire. those are some of the stories on the "morning newsstand." the founder of gawker media posted a letter to silicon valley entrepreneur peter thiel. nick denton called him a thin-skinned billionaire and a comic book villain. the blog network outed thiel as gay nearly ten years ago. thiel helped hulk hogan win a $140 million judgment that could

crush gawker. "the dallas morning news" reports the filing of two charges against the affluenza teen's mom. tanya couch is accused of helping her son flee mexico. she's been indicted on charges of apprehension and money laundering. her son was involved in a drunken crash that killed four people. "the times-picayune"" reports that indiana is extending hate crime protection to police, firefighters, and medical crews. the law signed by the of the

a precursor to the still to come, drop the mike. "late, late show" host james corden gets big laughs in a rap battle. laughs in a rap battle with a "pitch perfect" star. ♪ esome vehicles. great deals for everyone! thanks! low apr financing! woo! here's your balloon! ♪ i have the best team. oh, here i come! during toyotatime, get 0% apr financing on ten models. offer ends may 31st. for great deals on other toyotas, visit toyota.com here you go. and here i go! toyota. let's go places.

here's a look at the forecast in some cities around the country. ♪ ♪ it's huge mistake it's like ross and rachel it's on a break ♪ ♪ i think you're great i'm your biggest fan when i was 8 ♪ ♪ karaoke you think it's your big thing but everyone is thinking shut up and let adele sing ♪ david schwimmer and james corden were ko'd on "the late, late show." rebel wilson winning a rap battle by, unanimous decision. rapping rebel. she can spit as the kids say. on the cbs "money watch," a verdict in oracle's battle against google, and surprise, surprise, gas prices rise ahead of the holiday weekend.

jill wagner's at the new york stock exchange with that and more. good morning. >> reporter: good morning. wall street took a breather yesterday after two days of big gains. fed chair janet yellen speaks at harvard today. investors are waiting to hear her views on interest rates before the fed's next meeting in june. the dow lost 23 points yesterday. the s&p dropped about a point. the nasdaq gained six. a big win for google in its ongoing copyright battle with software competitor oracle. a jury found google did not violate copy right laws by using oracle programming tools while building its android operating software. oracle claimed that google stole pieces of its programming language and sought $9 billion in damages. oracle says it will appeal. it's reported that a top apple executive floated the idea of apple buying time-warner. during a meeting with time-warner executives last year. the "financial times" reports the idea never got beyond the preliminary stage. it never involved the chief officers. apple is trying to ramp up its

original programming, and time-warner owns hbo, warner bros., and turner. facebook and microsoft are banding together to build a giant cable under the atlantic ocean. both companies deal with a tremendous amount of data. the cable will relieve their reliance on telecom companies and deliver faster service to customers. the cable will stretch from virginia to spain. and if you're hitting the road this holiday weekend, there's good news and bad. you'll see the lowest memorial day gas prices in more than a decade. prices at the pump are at their highest level of the year, and they are heading higher. the average cost of a gallon of unleaded regular is $2.31. still, that's about 40 cents less per gallon than last year. nearly 34 million holiday travelers are expected to drive to their destination. their weekend. i cannot believe -- their destination this weekend. i cannot believe it is memorial day weekend. >> the unofficial start of summer. i don't think i'm ready yet -- >> i'm ready. i'm ready. >> jill wagner at the new york

stock exchange, thanks a lot. sounding the alarm on the zika virus. we'll tell you what the government is doing to battle the mosquitos that carry the dangerous virus. *trade is all abt seizing opportunity. and i'd like to... cut. thank you, we'll call you. evening, film noir, smoke, atmosphere... bob... you're a young farmhand and e*trade is your cow. milk it. e*trade is all about seizing opportunity. sign up at etrade.com and get up to six hundred dollars. working on my feet all day gave in my knees.ere. but now, i step on this machine and get my number which matches my dr. scholl's custom fit orthotic inserts. now i get immediate relief from my foot pain. my knee pain. find a machine at drscholls.com introducing the fusion of exceptional taste with the benefits of our probiotic yogurt. new activia fruit fusion,

with the exclusive probiotic bifidus regularis. delicious and good for you. new activia fruit fusion. continue to search for the - year-old victim. plus, president obama makes history in hiroshima. a clor look at his trip, and messao the world. and the warriors are still in it.... after a big win lt night, they're hoping to continue the momentum into e next game of the playoff se. one thing is for sure -- the fans have their back. join us for kpix 5 news this morning... beginning at 4:3 ,,,,

here's a look at today's forecast in some cities around the country. ♪ warmer weather means more mosquitoes and the potential spread of zika. the cdc is revealing how difficult it is to get a handle on the virus. don champion has more from dallas. [ applause ] >> reporter: cdc director tom frieden called the mosquito that transmits zika virus the cockroach of mosquitoes. >> we put them in a bottle coated with insecticide and see whether they're knocked down or not. to see them in a bottle that had

been coated with what should be a very effective insecticide happily flying around minute after minute, hour after hour, shows us how important it is that we improve the methods we have of controlling mosquitoes. >> reporter: the mosquito-borne virus has not been locally transmitted in the u.s., but federal health officials continue to press congress for funding to fight zika which can cause serious birth defects. this mosquito is highly resistant to insecticides. >> there is no example of effective control of this mosquito in the modern era. >> reporter: the cdc says the mosquito that transmits zika can bite four or five people at a time, making it capable of rapidly spreading the disease. vaccine testing will begin in september, but the cdc says it could take as long as two years to determine if one is safe and

us . ny pieces in my life. so when my asthma symptoms kept coming back on my long-term control medicine. i talked to my doctor and found a missing piece in my asthma treatment with breo. once-daily breo prevents asthma symptoms. breo is for adults with asthma not well controlled on a long-term asthma control medicine, like an inhaled corticosteroid. breo won't replace a rescue inhaler for sudden breathing problems. breo opens up airways to help improve breathing for a full 24 hours. breo contains a type of medicine that increases the risk of death from asthma problems and may increase the risk of hospitalization in children and adolescents. breo is not for people whose asthma is well controlled on a long-term asthma control medicine, like an inhaled corticosteroid. once your asthma is well controlled, your doctor will decide if you can stop breo and prescribe a different asthma control medicine, like an inhaled corticosteroid. do not take breo more than prescribed. see your doctor if your asthma

does not improve or gets worse. ask your doctor if 24-hour breo could be a missing piece for you. see if you're eligible for 12 months free at mybreo.com.

here's another look at this morning's top stories. donald trump has enough delegates to secure the republican presidential nomination. cbs news estimates that trump has won more delegates than he actually needs. trump announced his candidacy nearly a year ago and outlasted 16 other candidates. hillary is 75 delegates away from securing the democratic nomination, but bernie sanders says he will fight her all the way to the convention. and the 2.6 million americans expected to fly this holiday weekend will likely face long security lines at the airport. yesterday, congress heard from airline and airport executives. the tsa says it needs to hire more screeners, but that the long lines could be a problem through the summer.

as we reported, president obama is in hiroshima, japan, this morning on a historic visit. survivors of the 1945 atomic bombing still bear the scars. >> reporter: this 84-year-old remembers the moment she regained conscious not after the atomic bomb knocked her out. >> i look around, and pitch black. couldn't see anything. i couldn't hear anything, and i couldn't feel anything. >> reporter: she was 13 years old, and a quarter of her body was burned. when the dust settled, she realized the blast flattened her hometown of hiroshima. the bomb wiped out 90% of the city. nearly 71 years later, hiroshima is a modern metropolis. >> amazing. came back much better than before the world war ii. >> reporter: only one building was left standing near the

explosion -- the genbaku dome, also known as the atomic bomb dome. today the dome is the centerpiece of the hiroshima peace memorial park where president obama will visit on friday. the city chose not to rebuild it, keeping it a symbol of survival and resilience. the museum and park is also filled with traces of the tragedy. sesumori hopes visitors reflect but move forward like she did. >> the hiroshima maidens depart -- >> reporter: she was one of 25 young women dubbed the hiroshima maidens. they traveled to the u.s. for plastic surgery. when children see her scars, they say they won't forget what happened here. >> when i heard that, i just cry. >> reporter: she would like to see the world rid of nuclear weapons, saying the lessons of the past should protect our future. cbs news, hiroshima. coming up after your local news on "cbs this morning," a look at the rising power and wealth of silicon valley and its relationship with the media.

plus, travel expert peter greenberg takes us on a scenic tour of cuyahoga valley national park. and we'll ride with racing legend mario andretti as the indy 500 marks its 100th running. that is the "morning news." i'm anne-marie green. have a great day. " i'm anne-marie green. have a great day. ,,,,

linda macdonald is captioning for you in real time. good morning. it is friday, may 27. you know, on this day, in 1937,

the golden gate bridge opened up. so happy birthday, golden gate bridge! where are the candles? >> too bad you can't see it out there. >> it's foggy. >> still happy birthday. >> i'm michelle griego. >> i'm kenny choi. time now 4:30. roberta, it is friday. we're excited? how's the weekend weather looking? >> it is friday! [ applause ] >> we'll have a warmup through monday. right now this is what you can expect heading out. a little bit of stratus next to the golden gate bridge lining the san mateo coast. temperatures 40 in santa rosa to mid-50s in san jose. later today the abundance of sunshine back to the beaches. upper 50s there. and we're talking 90 in fairfield. the complete forecast is coming up. george? >> who is going to add his birthday greetings here to the golden gate bridge. an easy ride here in the southbound direction. did talk to the sergeant's office, no, they are not planning cake later and there won't be any candles,