this weekend trump courting voters in nashville. >> i don't want it tot be about me. this is common sense, it's about doing the right thing. >> reporter: another gop surprise? neurosurgeon ben carson is a close second to trump at 18%, ahead of ted cruz, scott walker and jeb bush. carson has been much less visible on the stump and on the tv circuit than donald trump, but like trump, he's also seen as nontraditional and a washington outsider. >> i will never go and lick the boots of rich people and special interest groups. >> reporter: and analysts say the sanders, trump and carson bumps show voters want a nonestablishment candidate. >> whether democrats or republicans, they're tired of politicians. they distrust politicians. they're looking for somebody who is authentic, genuine, will tell you the truth even if you don't like it. >> reporter: now, tonight the clinton campaign brushed aside the latest iowa poll telling me they've always expected and prepared for a competitive race. next weekend clinton

turns her sights to new hampshire where she'll get a big endorsement from senator jeanne shaheen at an event rallying women. >> kristen welker, thank you. the motive still a mystery tonight between the execution-style shooting of a compute at a gas station in the houston suburbs. the suspect remains in custody, and the sheriff has questioned whether the victim was targeted just because of the uniform he wore. janet shamlian is at the scene outside houston for us. good evening. >> reporter: tom a good evening to you. with no known reason for what's been called an execution-style murder and with the suspect due in court on monday, tonight this has become a gathering for grief. the crowds have been building here all day. a community at a loss in the aftermath of a senseless murder. tonight, trying to channel its heartache. near the pump that's become a flower-filled memorial for deputy darren goforth, people dropped fives and tens

into a container for his family. it topped $40,000. as a peace officer, how does this touch you? >> oh, it's awesome. i mean, something we do every day. >> reporter: shannon jay miles is charged with capital murder and will be in court monday. the 30-year-old has several misdemeanor convictions including resisting arrest and disorderly conduct with a firearm. the sheriff says goforth may have been targeted solely for wearing the uniform of an officer. th>> as far as we know, deputy goforth had no previous contact with the suspect, and it appears at the outset to be purely unprovoked. >> reporter: witnesses watched it unfold and screamed to the gas station manager who saw he gunman from a window. >> and keep shooting five, six times. >> reporter: in and around houston tonight flags fly at half staff. on saturday a vigil attracted a community united in grief. >> i wanted to demonstrate that all lives matter

irregardless of color. >> reporter: deputy goforth was 47 ears old. he leaves a 5-year-old son, 12-year-old daughter and a wife who spoke to her friend about the man she loved. >> all the language that i know is inadequate for what i want to express. my husband was an incredibly intricate blend of toughness and gentility. he was always loyal, fiercely so. >> reporter: across the countryw80 law enforcement officers have died this year, 25 of those have involved handguns. and thomas, no state has had more than texas. >> janet s amlian reporting in houston for us, thank you. a shaken community came together at a mel moral service for two journalists murdered on live tv in roanoke, virginia. alison parker and adam ward were gunned down on the air by a disgruntled former ployee at the station. pope francis offered prayers for

the migrant crisis. it's a desperate situation as so many flee their homelands and often don't survive the journey. richard engel has that story from the hungarian border. >> reporter: the mass exodus continues. thousands of desperate migrants mostly from syria, iraq and afghanistan are seeking refuge in europe. in serbia, we met this man from aleppo, a syrian city devastated by the war. >> all the killing, war. >> reporter: a pharmacist, his shop was destroyed in an air strike. >> it was destroyed. >> reporter: he left home two weeks ago and is now trying to get into hungary, a member of the european union. but it could be his biggest challenge yet. europe's borders have largely been reduced to reminders of a different era. the migration crisis is changing that. hungary was the first country to start to tear down the iron curtain.

now, a quarter century later, it's taking the most extreme measures in europe to put up razor wire border fences again. hungary is building a feesnce along itstentire border with serbia. when finished, it will be 12 feet high and 100 miles long. so the migrants are in a hurry to cross while they can. for now, hungarian police seem happy to pick up those who are willing to cooperate, load them on to buses and encourage them to move on to the next country. the locals are watching all of this with great concern. at the sunday dirta tr ack race, hungarians say they want t fence and more. >> translator: before soldiers used to shoot at anything that moved at the border, he says. >> reporter: once in hungary, many of the migrants wander the streets hoping to be smuggled to wealthier countries in europe. we don't know if he

made it, it's getting more and more fficult every day. richard enge nbc news on the hungarian border. back at home an incredible story of survival. a woman missing for more than a week after she set off alone for a hike in the sierra national forest. but her will to live carried her with broken bones to find rescue. gadi schwart has her harrowing detail. >> reporter: a search area filled with heavy smoke and so remote it took military helicopters to airl t rescuers deep into the sier g nevadas. an.d then the call, after nine days of searching with aircraft, forces and even a drone, 62-year-old miyuki harwood found alive blowing a rescue whistle. >> she was at the end of the time period that we thought she could survive. >> reporter: she was camping with the sierra club when she decided to go on a hike alone. somehow she broke several of her bones and surrounded by thick haze from a wildfire burning less than ten miles away,

she pulled herself down the mountain for water. >> she basically crawled from where she was injured down to a creek. took her two days to do that. >> reporter: she had a water filter but no food. suffering through scorching days and cold nights. >> she had pants on, a north face jacket on. the temperatures wile in the low 30s from what i understand. >> reporter: tonight she's recovering after a surgery to set several bones in her leg back into place. her family ecstatic when they heard she was found alive. >> she couldn't stop screaming and crying and yelling amongst themselves. they were all in a car on their way up. >> reporter: rescuers relieved, some saying this is the longest case of survival they've ever seen. gadi schwartz, nbc news, los angeles. president obama leaves tomorrow for alaska where he will push for sweeping action on climate change, but even before his arrival he's managed to provoke anger at his administration on both sides of the issue. our senior white house correspondent chris jansing explains. >> reporter: in one of the most beautiful

places on earth, mike and kelly bender run a glacier tour business. but those glaciers are melting. >> we had 80-degree summer. we really watch the glaciers change and dramatic changes. >> reporter: scientists say this year alone the average glacier will lose 30 inches in thickness. >> there's about 25,000 glaciers in alaska and almost all of them are retreating, losing mass and shrinking. >> reporter: that's why president obama is making alaska the last leg of a 14,000-mile trip focusing on climate change in advance of a critical international meeting in paris in december. a white house video previews his unprecedented visit to the alaskan arctic. >> the state's god-given natural treasures are all at risk. >> reporter: we found noufrs the middle of a pod of orca whales. even in this remote, majestic place, you're never far from a complicated political question.

a debate about how to balance environmental protection with economic development. not everyone is putting out the welcome mat for the president. native alaskans are running a tv ad against any new environmental restriction. >> and they certainly don't know how vital arctic resource development is for thus thousands of alaskans. >> i think is hypocrisy. >> reporter: last weekend the administration gave the okay to drill for oil while fossil fuels are possibly to blame fonsr climate change. >> for somebody like president obama who understands the science and the numbers, it's effectively like drill, baby, drill. >> reporter: the administration argues unprecedented safety measures are part of the shell drilling and want to keep the trip focus on climate change. >> inaction is no longer an option. that these families, these communities, their way of life is being threatened. >> reporter: families like the benders. watching melting glaciers turn into waterfall s s s

waterfalls. what does it mean to you? >> business as we know it is going to change. >> reporter: changing along with the ghspt tacular scenery that's the brackdrop to the ongoing debate. where we're standing was once covered in ice. part of the glacier behind me. scientists say this sort of visual tells a story no statistic can and why alaska is on the front line of climate change. chris jansing, nbc news on prince william sound, alaska. on the eve of his trip, the president says he's renaming alaska's mt. mckinley. the tallest peak in north america. or rather he's changing its name back to denali, that is the alaskan native name for it. a move that's sure to rile some in mckinley's home state of ohio who have fought for years to cope his name on that peak. the u.s. is facing a rash of extreme ather. now threatening to cause major flooding in florida while hawaii is nervously eyeing hurricane ignacio hoping to

avoid a direct hit. dylan dreyer joins me with the forecast. >> reporter: a even though it doesn't h e an official name any longer, the remnant of erika w e continue to stream in these hextavier downpours. they could produce veral inches of in. ash flood watches are in effect through monday. all week long we could end up with 1 to 3 inches of rain. out in the pacific ignacio is now a category 3 hurricane. it will continue to weaken as it stays to the north of hawaii, but waves will be extremely high. in the northwest these photos out of olympic national park. several trees were knocked dabn and the park was actually closed for a time. winds have been gusty, but they are starting to ease. however, the rain will continue streaming in ofd f the pacific and will last all week ng in the pacific northwest. al so lasting all week long, the extreme heat from the midwest back to the plains and over into the northeast, temperatures will remain in the upper 80s and lower 90s all week long without a

break until possibly the weekend. >> thank you very much. still ahead for everyone tonight, the shock at the stadium. a fan falls 50 feet to his death. will major league baseball make changes to greater protect ...and the wolf was huffing and puffing... kind of like you sometimes, grandpa. well, when you have copd, it can be hard to breathe. it can be hard to get air out, which can make it hard to get air in. so i talked to my doctor. she said.. do ctor: symbicort could help you breathe better, starting within 5 minutes. symbicort doesn't replace a rescst inhaler for sudden symptoms. symbicort helps provide significant improvement of your lung function. symbicort is for opd, including chronic bronchitis and emphysema. it should not be taken more than twice a day. symbicort contains formoterol. medicines like formoterol increase the risk of death from asthma problems. symbicort may increase your risk of lung infections, osteoporosis, and some eye problems. you should tell your doctor if you have a heart condition or high blood pressure before taking it. grinandfather: symiicort could mean a day with better breathing. watch out, piggies! child giggles v

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you out of nowhere. i know. i had it. c' mon let' s sit down and talk about it. and did you know that one in three people will get shingles? (all) no. that' s why i' m reminding people if you had chickenpox then the shingles virus is already inside you. (all) oooh. who' s had chickenpox? scoot over. and look that nasty rash can pop up anywhere and the pain can be even worse than it looks. talk to your doctor or pharmacist. about a vaccine that can help prevent shingles. we are back now with the tragedy that stunned a sell-out baseball crowd in atlanta. a braves fan died from falling from the upper deck. and now major league baseball is facing renewed questions about how safe its adiums really are. we get more now from nbc's gabe gutierrez. >> alex rodriguez has got a hit. >> reporter: it was the seventh inng, yankees versus braves, the largest crowd of the season. >> someone just fell over the upper deck right below us.

oh, my gosh. >> reporter: witnesses say the man identified today as greg murray fell head-first about 50 feet to his death as he was yelling at yankees star alex rodriguez. at first, many fans were oblivious and the game went on, but several jumped into action including a surgeon sitting nearby who performed cpr. >> he just came down like a thud. it was pretty nerve-racking. people were pretty much in shock. >> reporter: paramedics then carried the 60-year-old out on a stretcher. today murray's family said he was a season ticket holder with the same seats for 23 years. >> the night greg passed away, haddy was doing one of his favorite things, watching tss braves play. >> reporter: this was the third death at turner field since 2008. across t country two dozen fans have fallen at the stadium since 2003. this season major league baseball is taking a closer look at safety after a broken bat struck one wome at fenway park and a foul ball another fan at wrigley field. current regulations

adopted in the 1920s may be outdated. right now railings in front of seats must be at least 26 inches high. in front of share tairs 42. public entertainment in 1927 was a lot different than in 2015. americans were shorter and smaller. the types of entertainment that the building exits code was designed to address included going to opera, attending vaudeville. >> reporter: in atlanta, it's not clear if outdated codes were a factor, but it appears to have been an accident. police are still venting. >> everybody here, yes, sends along our condolences. >> reporter: this afternoon a moment of silence as both teams remember a lifetime fan. gabe gutierrez, nbc news. we're back in a moment with a close encounter in the waters off of california with a massive hammerhead shark. congratulations. you're down withzcrestor. yes! when diet and exercisev aren't enough, adding crestor lowers badtcholesterol up to 55%. crestor is not for peoplet with liver disease, or women who arev

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nervous moments off the coast of san diego when kayakers captured this video of an aggressive hammerhead shark circling them. the shark, six-feet long, followed them as they made a break for the shore, no one was hurt. but it caused officials to shut down la jolla shores yesterday. farther up the coastline a surfer barely escaped an attack by what appears to be a great white shark. her surfboard wasn't as lucky. now that american pharoah has lost in an upset at the traverse stakes. his owner says he's got a gut feeling it is time to retire the triple crown winner. he'd like to race him one more time in the breeders cup in october. if he was retired to stud now, some put his fee at $200,000.

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finally tonight, it's back to school season, but many of our kids are returning teachers don't have even the most basic tools to help them succeed, and that's where a breakthrough charity comes in. with more, here's our rehema ellis. cuts. >> reporter: at this elementary school outside new orleans, these second graders are excited to begin the new school year in this class. >> we learns lot of math and science. >> i get to learn stuff on the computer. >> reporter: but across the country, so much of what happens in classrooms like this one goes beyond the budget. >> you have to decide where they go. >> reporter: charles best remembers it well. he struggled to get basic resources for his students in new york 15 years ago. >> there were lots of

times when i wanted to make photocopies for them and there was not enough copy paper. >> reporter: that's when best decided to try an experiment and create a website where people could help him raise money for his classroom. he convinced 11 other teachers at his school to post project requests for their classrooms. >> i had to fund it myself because i didn't know any donors to fund those projects. but i did so anonymously, which made my colleagues mistakenly think that the website actually worked. >> reporter: fast forward 15 years. best now runs a nonprofit called donors choose, which funds educational projects. it's raised $340 million helping about 250,000 teachers and 15 million students across the country. projects on the website range from basic school supplies to classroom libraries and field trips. even science experiments and sports programs. back in louisiana, the computers, ipads and

many books in the classroom were funded by donation. >> financially it's not something i could have afforded to do on my own. >> reporter: she's received more than $22,000 worth of teaching material. >> i don't have the words to express what donors choose has done for me as a teacher and what it has done for my students. >> reporter: all from the kindness of strangers. rehema ellis, nbc news, louisiana. that is "nbc nightly news" for this sunday. lester holt will be here tomorrow. i'm thomas roberts reporting from new york. for all of us here at nbc news, thanks for watching and have a great night.

the carmichael show in front of a live studio audience. it was all a dream i used to read word up magazine up in the limousine hanging pictures on my wall mr. magic, marley marl till my tape... what are you... you can't dance like that to biggie. hey, i like that song. is it new? what... how the hell do you not know that song? it's so important. people get married to that song where i'm from. this place has really come to life since it's been maxine'd. you added pillows. you came in, you added tampons and pillows. really? live with a woman for five minutes, already gonna make a tampon joke? yeah, well, someone's got to be brave enough to do it, maxine. hey, it's our first mail together. yeah, yeah. and it says "resident." well, that's us. we're resident. so how have you told your parents yet?

about us living together? oh, that. no, no, not at all. what... come on, you said you were going to. i know, and then i thought "hey, let's just never do that." what's this "last chance to register" thing? oh, this? they trying to get me to vote. let me take care of this for you. what? you don't vote? i... look, in 2008, right, i saw this man rise from being poor and black in america to the greatest office in the united states. actually-- the greatest office in the world. and i felt pride, you know? i felt inspired. he inspired me and so many other people. i mean, so many other people, i figured, hell, he doesn't need me. like, i think he... he won the nobel peace prize, and i don't even know what he did. all right, you know what, enough politics. don't try and shy away from the topic. we see your parents all the time. i mean, we're going to their house for dinner later. they should know.

you know what, you're right, maxine. we shouldn't talk about politics. and why bother, anyway? 'cause your vote doesn't count and democracy is dead. now, why would you say that... no. no, no, no, no. stop trying to deflect from the real subject. women's rights. no. why can't we tell them? your parents are harmless. yeah, they're harmless now, because they don't know how serious we are, all right? but once they find out we moved in together, it's gonna change everything. like, my mom's gonna give a million reasons from the bible why that's wrong. then my dad's gonna start... i really don't know what he's gonna do. he's a wild card. but he's probably gonna do something crazy and give advice. but right now it's cool, it's peaceful, you know? because you mean nothing to them. i mean, nothing. but, like, in a good way, you know? (phone vibrates) wait a minute. my brother's here. text him back and tell him you're not home. i can't lie to my brother. i can't even tell a lie. i'm like george washington. bet you wouldn't have voted for him, either. that's more because of the, you know...