>> thanks, john. coming up next on "nightly news", president obama touring the flood devastation in louisiana. >> thank you so much for joining us. see you at 11:00. developing news font. new homegrown zika, confirmed outside of south florida, in the center of the state. and pay for play to investigate the clintons as new questions arise about the clinton foundation and trump faces questions about his new controversial. and epipen cost skyrocketing 400%. and a little miracle. the little boy with a double hand transplant.

"nightly news" begins right now. >> announcer: from nbc news world headquarters in new york city, this is "nightly news with lester holt." as officials and others have feared, homegrown zika has popped up. five new florida zika one infected patient in the tampa bay area in the western part of the state. officials are reminding worried residents that zika infections can be prevented. >> reporter: on florida's gulf coast in pinellas county, florida's governor is

zika zone just yet. >> just because we have one case here doesn't mean we have active transmission. >> reporter: active transmission occurred in miami. now authorities are trying to figure out how one zika case turned up more than 150 miles away, on florida's west coast. to date, 42 homegrown zika cases in the state. at breath of life here in pinellas county, anxious calls to be. >> it's not a time for panic, it's a time for people to be informed. >> reporter: this woman is due in three weeks, and says labor can't come soon enough. this new study in radiology shows the range of destruction to the brain, defects

>> it's the scariest thing since polio. >> reporter: but unlike the earlier days of polio, pregnant women now know how to protect themselves. >> i don't think this is going to be confined to florida. on the other hand it also tells us that our surveillance methods work, we can identify these outbreaks very, very early. >> reporter: tonight in this zika hot spot, the question, where might be. businesses now fear visitors may choose to go on vacation someplace else. to presidential politics and donald trump calling for a special prosecutor to investigate hillary clinton. amid new questions about the clinton foundation's power brokers and how much access they got to hillary clinton while she was secretary of state. nbc's andrea mitchell

>> reporter: tonight the drip, drip, drip of the clinton campaign as thousands of emails may be released before the election, and donald trump calling for a special prosecutor. >> the significant times it was done, require an expedited investigation. >> reporter: clinton trying to laugh it off with hillary clinton. >> have you considered using face-time instead of email? >> good idea. >> reporter: in fact tonight, according to state department calendars being reviewed by the state department press, more than what the officials who called on hillary clinton while she was secretary of state made donations to the clinton mown days n one email, noting good freptd of ours.

abdean arranges a meeting, after going through diplomatic channels. this would not necessarily violate laws or ethical agreements the clintons signed. >> we have no evidence of any behavior, any relations with the clinton foundation that weren't completely above board. >> it's a huge new target for the donald trump campaign to dive on top of and a huge new bunch of targets for the clinton campaign to have to defend. >> reporter: a headache for the clinton campaign that could last until the election and beyond. donald trump meanwhile is coming under fire for the way he's appealed to african-american voters. and why critics say that appeal is falling flat. >> reporter: tonight donald trump raising eyebrows with his new pitch to african-american voters. >> what do you have to lose? >> reporter: trump's arguments, democrats take black voters for granted, he can do better. >> you'll be able to

without getting shot. right now you walk down the street, you get shot. >> reporter: but that has some african-americans bringsing. >> that is condescending at best, and bigoted at worse. >> reporter: trump is delivering his message predominantly white autd dens. >> white voters want to vote for him but they're afraid they'll be voting for a racist, a bigot. >> this is someone who's the original to -- >> we have been at the bottom of the totem pole for the last 50, 60 years, have voted for democrats and what do we have to show for it. >> over 50% of african-americans have attended college and incomes are growing. polls show only 8% of african-americans back

african-american support. why are you laughing? >> well, that's donald trump. >> reporter: tonight, trump's team stressing it's an ongoing conversation. now to the west where there is an urgent battle being waged against wildfires burning in more than half a dozen states scorching more than 112,000 acres. >> reporter: from border to border, the relentless march of flames and smoke, more than 100 fires across eight states. in southern california, the fire briefly threatened the famous castle. and in nearly two weeks since the fire sparked, it's only 2% contained. outside spokane, duelling fires fueled

home forcing hundreds to evacuate. >> when the real thing hits, you can't run fast enough. >> reporter: and the cost of the fire fight is piling up. u.s. forestry service has spent more than $1 billion this year. but the cost on the ground is even higher. >> does it take a toll? absolutely. >> reporter: a toll that keeps climbing, with no end in sight. from fire to the president obama surveyed the damage there where thousands remain in shelters. his visit comes after donald trump and criticism from some republicans he should have cut his vacation short and been there earlier. we get details from nbc's gabe gutierrez. >> reporter: with homes in shambles and thousands still in shelters, president obama toured the devastation. >> i'm asking every american to do what

us back on their feet. >> reporter: coming just days after donald trump and pence surveyed the devastation. >> reporter: has the federal response been adequate? >> there's been i believe unprecedented cooperation and collaboration. and we're getting what we're asking for. >> reporter: lleyton rigs is the -- >> like so many others we dn' insurance. >> joanne' began moved here after the flooding from hurricane katrina. tonight she's trying to salvage any memories from her deceased husband. >> reporter: there are more than 100,000 people like her applying for federal aid. it has been a summer of heart break for this region. the president also met with the family of alton sterling who was killed in a shooting last month and the

weeks later. now to the nbc news investigation into the clinton connection into the controversial for profit university. hillary clinton has slammed some of these schools as predatory. but cynthia mcfadden found that president clinton made millions from one such school. >> reporter: since announcing for president, hillary clinton has been a vocal critic of for profit universities in general. >> we will crack down >> reporter: and of trump university in particular. >> he is trying to scam america the way he scammed all those people at trump u. >> reporter: but it isn't just donald trump who's profited. for five years, bill clinton was the honorary chancellor of the biggest for profit education in the world, laureate education, inc.

an enormous fee. $7.6 million over five years, visiting 19 campuses in 14 countries, the clinton foundation also got between $1 million and $5 million from lawyer yet. >> stepping down only 12 days before his wife launched her run for the presidency. >> there are students who take out loans to pay for an expensive degree from a for only to find little support once they actually enroll. >> reporter: but as secretary of state, she praised laureate, writing to her staff, the founder doug becker is someone who bill likes a lot and that laureate should be included in a state department dinner, they were. over the last three months, nbc news has taken a closer look at laureate's flagship, walden university. more than two dozen students tell us the

trapping them in a staggering amount of student loan debt. >> that's a lot of money. >> it's taken me from a successful career to poverty. >> reporter: these five phd students claim that walden's constant churning caused them to go further and further in debt. while raking in profits for the university. they're part of a group of 80 students who hope to file a class-action lawsuit. >> i had five committee m >> reporter: so they kept changing? >> that's the part of the scam that we're talking about. >> reporter: laureate tells us that their program is vigorous and challenging. laureate and walden declined to give us graduation rates for their phd candidates but pointed us to three students who were satisfied with their experiences, one

scholarship. is it possible that you're just not qualified to get a phd? >> they could have told me, you are not cut out for this, have a nice life. >> i have lost everything, i have nothing else to lose. >> reporter: what would you like bill clinton to know? >> that he can forgive our loans because i don't think he would want to be representative of something that is basically unfair or unethical. he can't give us back our years, but give us back our dignity. >> reporter: bill and hillary clinton declined to comment on these students aelgtszs, but bill clinton says he's pleased to support laureate's plan for higher education. and hillary clinton says that all universities should be held to high standards and that she intends to clamp down on bad actors.

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k here is done. phillips'. the tasty side of fiber. we're back now with the outrage over a dug company's dramatic price increase for a life saving medication. epipens are used in emergencies to treat people often children who experience a sudden often deadly

the makers of epipen has raised the price over 400% over the past four years and has been accused of price gouging. >> reporter: it's a life saving drug for patients with potentially deadly allergies. 48 million americans keep an epipen close at hand. since 2008, the price pharmacies pay for an epipen two pack has shot up from $100 to $2 to provide life saving medications to my child. and at the current trend, i worry how i'm going to pay for it in the future. >> reporter: she now gets her epipen from a company that orders it from canada. >> i consider it gouging because what happens is they now control by some estimates 85% of this market. >> reporter: the

epipen, mylan says that it -- allows people with high insurance deductibles that don't cover the price. while racing epipen prices by more than 400%. top company executives saw their total compensation jump by more than 600%. in an emergencies, it's not ideal. >> the medicine itself is not part. it's cheap, it's the auto injecting part that's expensive. you can learn to do it yourself with the pen, you you have to do it correctly. we're back in a moment with a teacher's letter going

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of horror in syria. he says convoys have been unable to travel into aleppo to bring relief to thousands cut off from food, water and supplies. nbc news has much more from this city under siege in our new series "aleppo: children of war" on our website. things are starting to fire up in the tropics. tropical storm gaston has formed, but it's not expected to be a threat to land. there's a that the hurricane center is monitoring. impacts for the u.s. are uncertain as of now, but folks along the southeast coast should be keeping a pretty good eye on it. a dallas teacher is now a viral sensation, sending home a note to parvelts declaring a no home work policy. she won't assign it regularly. instead she urges

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medical history by becoming the first child to receive a double hand transplant. his story has touched so many of our viewers. now he's back to show the world how far he has come. rehema ellis who first brought us his story has his next chapter. >> when we first met zion last year, he was unstoppable. even though he had lost both his hands and legs to an toddler. >> keep monitoring things. >> reporter: and even after ground breaking surgery to attach new hands, his energy was drained, but not his determination. and take a look at him now. oh, my goodness! his new hands are growing with him. >> when i got my hands, it's like here's a piece of my life that was missing. now it's here. now my life is

can cut -- look what you can do. color and play, beating me at jenga. you are not giving up. he can do nearly all the things most kids take for granted. he cudled up to his mother patty, his hands can feel hers. >> like right now, her hands are cold and sometimes they're warm. sometimes they're hot. >> reporter: it's taken a year of rehabilitation. zion had to reteach his brain to communicate with his new hands. >> there you go. >> reporter: chief surgeon dr. scott levin says that zion has inspired the doctors at the penn medical center. >> we are grateful to him, and our whole team now is energized. >> reporter: zion's mom is relieved her

concerns that i had for him was him growing up and being able to do certain things and have that independence and not need me forever. >> but i need you, without you i wouldn't remember to do everything, that's why i have you. >> reporter: this afternoon, zion talked about his hopes for the future. >> convince mom to let me play football. >> i knew that was coming. >> reporter: one say i give up, try everything first. >> reporter: learning to grab hold of his world and sending a message to the rest of us. rehema ellis, nbc news, philadelphia. leave it to a little boy to help put life's challenges in perspective. that's going to do it for us on a tuesday night, for all of us at nbc news, i'm

mounting a hollywood career comeback? >> "dancing with the stars." is lochte lining up a top secret tv gig? now on "extra." ? ? ? ryan lochte's next move. prime time tv? his million dollar sponsorship sear searching. what he's doing in l.a. >> "dancing with the stars." would you do it? >> hillary clinton. clowning around with kimmel reading the outrageous trumpisms. >> is it bad? we didn't make these up.