legally available on the web. a warning for patients as the feds make a push to ban it. "nightly news" begins right now. good evening, there are exactly three weeks to go until election day. and with donald trump continuing today to sew seeds of doubt about the integrity of the voting system, president obama jumped into the middle of things, advising trump to stop whining. trump's conspiracy theories and mantra about a rigged election have come to define much of the home stretch of the campaign, along hillary clinton's daily e-mail embarrassments. if there's a shake-up in the state of this bitter race coming, it could come tomorrow night when the two meet in las vegas for their final debate. that's where hallie jackson leads us off tonight. hallie? >> reporter: hi, lester. donald trump's aides for the final face-off. he's expected to bring president obama's half brother as one of his guests here tomorrow, a signal everything is now on the table. donald trump tonight complaining of corruption -- >> voter fraud is all too common. >> reporter: to president obama, he's just complaining. >> i'd advise mr. trump to stop whining and go try to make his case to get votes. >> reporter: the president slamming trump h >> i have never seen in my lifetime or in modern political history any presidential candidate trying to discredit the elections. >> reporter: even some republicans like marco rubio agree trump should stop stoking voter fraud fear in the face of overwhelming evidence our elections aren't rigged. >> they even want to try to rig the so many cities are corrupt, and you see that. >> reporter: trump, defiant and undaunted, two words that describe his final three weeks, trailing hillary clinton, he's now trying to shake up the race by showing he can shake up washington. proposing term limits for members of congress. he's running against the establishment, but still chased by his own controversies, like an accusation of sexual misconduct against him from a former "people" magazine writer. not verified by nbc news, and denied by trump, the magazine people who say the writer told them what happened at the time, and another who said she was with the writer when they encountered melania trump later in new york. >> it was not true. so how we could believe her? that never happened. to turn the tide, trump needs to rally his base to make sure they show up in three weeks. >> every time there's been open running room for donald trump, he doesn't advance the ball. tomorrow night's his last chance. >> reporter: in the audience as his guest for her son's death in the benghazi attack. for trump, a focus on clinton's controversies instead of his own. hallie jackson, nbc news, las vegas. >> reporter: i'm andrea mitchell. tonight hillary clinton arriving in las vegas as the clinton team prepares for the home stretch. the strategy, in the debate, stick to issues, try to appear presidential, no matter what donald trump does. with trump trying to an american killed in benghazi to the debate. >> benghazi, there have been seven to ate congressional investigations on. >> that was all for the people who died, jen. >> we think it's a resolved issue in the voters' minds. >> reporter: also dealing with the torrent of stolen e-mails released by wikileaks. tonight, new messages, one from campaign chairman john podesta another, three months before clinton nailed the nomination, podesta listing potential running mates in what he calls food groups, dividing them by race and gender. on the list, apple's tim cook, bill and melinda gates, sanders down at the bottom of the e-mail in a category all by himself. despite those e-mails, tonight team clinton sending sanders to arizona, going for a win in red states. michelle obama going there thursday. >> mr. trump is the least qualified candidate in the history of this country. >> reporter: and clinton getting more backup tonight, after an fbi agent said he felt pressured by the state department not to label one of clinton's e-mails classified, a charge tonight by both the fbi and the state department. president obama weighing in. >> i think you've heard directly from both the fbi and the state department that the accounts that have been put out there are just not true. trump's recent charge that she is doping for the debate. her schedule after tomorrow night's debate, nonstop travel to the battleground states, ohio, pennsylvania, north carolina, new hampshire, and florida, all in the next week. lester? >> andrea mitchell tonight, thanks. and for more now on where the election stands and what we should be looking for heading into tomorrow's final dwad, i'm joined by our political director and moderator of "me t polls over the many months, the margins have changed here and there, but opinions of these two candidates haven't changed that much. we're into the final three weeks, the big debate tomorrow, what could happen that might change things? >> to me, that's the most important question. here we've had ten straight months of polling and campaigning by these two, and the negative feelings at the start of this year that the public had for both of them are still there. they feel more negative about him than her. so the question is, is there anything in the trump, you need to make this debate work big time. i think the only thing that can change trajectory in this race is some unknown incident, because at this point, i think everything feels like it's starting to settle into concrete here. the only time we've seen anything move at all is when we heard the words of donald trump in that videotape. that's the type of issue that would have to pop up to actually this point. >> who has more riding on tomorrow? >> oh, it's donald trump by a mile. he has to have a great debate, almost a knockout performance in order to change the direction of this race. >> all right, chuck todd, thank you very much. we'll have full coverage and analysis of tomorrow's final presidential debate in las vegas, starting at 9:00 eastern, 6:00 pacific right here on nbc. turning now to iraq and the american-supported isis. president obama said today what troops on the front lines have already discovered, it's going to be a difficult fight. so far commanders say the operation is going according to plan, but are warning about what isis may do overseas in retaliation. our chief foreign correspondent richard engel is in the region and spoke exclusively with the general leading the american effort. >> reporter: how's it going? >> it's going well. >> reporter: in his first interview since the offensive to push isis out of began, major general gary valesquey said his troops are providing air support and heavy artillery, but not leading this charge. >> the iraqis have the momentum, they know it, and they want to get there as quickly as they can. >> reporter: we followed iraqi troops to the front line to see for ourselves. we made our way to the newly liberated village of hud. she's happy said a man she's happy to see the soldiers. but why were these people carrying white flags? because iraqi troops have moved on, even though villagers say there are still isis fighters here. and what we saw next was a war planner's worst nightmare, entering this sunni village were shi'ite militias. in a country that's seen civil war between these two sects of islam, it's a dangerous mix. could have international consequences as well. general valesquey is concerned that in retaliation for losing mosul, isis could launch terror attacks on targets in the west. >> that's what we're worried about from my perspective, back at home, when mosul falls, how are they going to try to deflect the attention? >> reporter: but for now the troops are focused on the task at hand. so-called islamic state or caliphate was born. >> there's not going to be a caliphate. >> reporter: this battle is just beginning, and these are just the first of what aid agencies could be more than a million people driven from their homes. they suffered under isis, now they're paying the price for yet another fight for mosul. while u.s.-backed iraqi troops are advancing toward mosul, isis is saying that nothing is wrong. its propaganda today putting out images of people at work, eating cab ab in the city, life as normal. lester? >> richard engel, thank you. back home, much of the eastern half of the country remains in the middle of a fall heat wave this evening, while new york was one degree short of a record new high for this date. highs for this date were set throughout the northeast and down to texas with temperatures in the mid to upper 80s. could be shattered yet again. indian summer in full swing. now to the brutal and shocking execution caught on camera in mexico. a federal judge who reportedly played a role in joaquin "el chapo's" guzman's extradition process to the u.s. was shot in the back of the head in broad daylight while taking a jog. >> reporter: the shocking surveillance jogging when a gunman runs up from behind, pulls a handgun, then the trigger. a point blank execution of the judge, a 37-year-old mexican judge was reportedly involved in the extradition process of drug king pin joaquin "el chapo" guzman, and other high profile cartel members. addressing the nation, mexico's president promised a full investigation. el chapo is behind say he still has connections to order brutal hits. last month, mexico's army says el chapo's sons were behind an ambush that left five soldiers dead. el chapo's lawyer says the widely feared drug lord who escaped from prison twice using tunnels like this one, was not involved in the murder. the judge also presided over other cartel cases and had not requested perso trafficking organizations have a strategy to corrupt high level government officials, take my silver or take my lead, and it's been very effective. >> reporter: with el chapo facing extradition to the u.s. next year, the investigation into this brutal hit is just beginning. a crime designed to send fear through a nation doing exactly that tonight. miguel almaguer, nbc news. there is news tonight for millions raise coming next year. retirees will get a .3% increase in monthly benefits, that adds up to about $4 a month for the average recipient. the average monthly social security payment now $1,238. the cost of living adjustment will be small because inflation is low and that's due in part to low gasoline prices. still ahead tonight, a warning for parents, an alarming rise in overdoses and deaths from a new drug more powerful th by teenagers legally online. also, he has a way with words, this is why the nobel committee awarded him the literatu (burke) at farmers, we've seen almost everything, so we know how to cover almost anything. even mer-mutts. talk to farmers. we know a thing or two because we've seen a thing or two. ? we are farmers. bum-pa-dum, bum-bum-bum-bum ? coaching means making tough choices. jim! you're in! but when you have high blood pressure and need cold medicine that works fast, the choice is simple. coricidin hbp is the only brand that gives powerful cold symptom relief without raising your blood pressure. coricidin hbp. does your child need help with digestive balance? try align junior probiotic. so she can have a fraction dominating... status updating... hello-yellow-belt kind of day. get 24/7 digestive support with align junior. the #1 doctor recommended probiotic brand, now for kids. al source of fiber and five essential vitamins. amazin prune juice and amazin prune light. from sunsweet, the feel good fruit. ?jake reese, ?day to feel alive?? ?jake reese, ?day to feel alive?? across the country, paramedics are seeing a rise in overdose deaths from powerful drugs legally bought online and shipped to teenagers in the mail. the drugs are synthetic opioids, designed to get around laws in the united states. one of those drugs is called pink and it has a small town in utah under siege. let's get more on the story now from gadi schwartz. >> reporter: in park city, utah, pain and disbelief. >> i feel lucky that our last words were "i love you." >> reporter: they were only 13, two best friends in middle school dead, reasons still under investigation. but police suspect a legally buy online. >> our students that have been involved, we know that they were shipping packages to friends' house. >> reporter: in park city schools, students were calling it pink and secretly talking about it over snapchat. >> we looked at computers, social media, and started to see a trend. the term pink kept popping up. >> reporter: now worried parents are warning their children about the drug, a synthetic opioid. >> reporter: davidson's daughter jane said pink and the deaths of the two boys are all her classmates can talk about. pink is one of a growing number of unregulated chemical compounds being shipped to the u.s. from abroad. eight killed in florida this year, over 50 deaths nationwide while only four states have made it illegal. the dea now pushing for new laws to ban the chemical compound, while the most effective protection may start with conversations between parents and their children before it's too late. >> i can't imagine the kids i'm in math class with just -- just like not being there one day. >> one bad decision can have permanent, life-altering consequences. >> yeah. >> reporter: for now, this mother hopes her love can overcome a drug's deadly pull. gadi schwartz, nbc news, park city, utah. and up next here if you're approaching 65... now's the time to get your ducks in a row. [quack!] medicare only covers about 80% of your part b medical expenses. the rest is up to you. so think about an aarp medicare supplement insurance plan, insured by unitedhealthcare insurance company. like any standardized medicare supplement insurance plans, they help cover some of what medicare doesn't pay. so don't wait. call now to request your free decision guide and learn more. it's just a cough. if you could see your cough, you'd see just how far it can spread. robitussin dm max is now better tasting, with the same fast powerful cough relief. robitussin dm max. because it's never just a cough. you wanna see something intense? pantene expert gives you the most beautiful hair ever, with our strongest pro-v formula ever. i've heard it all. eat more fiber. flax seeds. yogurt. get moving. keep moving. i know! try laxatives. been there, done that. my chronic constipation keeps coming back. i know. tell me something i don't know. vo: linzess works differently from laxatives. linzess treats adults with ibs with constipation or chronic constipation. it can help relieve your belly pain, and lets you have more frequent and complete bowel movements x and it should not be given to children six to seventeen. it may harm them. don't take linzess if you have a bowel blockage. get immediate help if you develop unusual or severe stomach pain, especially with bloody or black stools. the most common side effect is diarrhea sometimes severe. if it's severe stop taking linzess and call your doctor right away. other side effects include gas, stomach-area pain and swelling. talk to your doctor about managing your symptoms when it was announced last week that american music legend bob dylan had wob the nobel prize in literature, the news spread around the world and just about everyone had something to say about it. but dylan himself, a man of memorable words, has chosen to remain silent. we get the story from ? >> reporter: awarded the world's highest literary honor, tonight it's unclear if he'll go to the ceremony in sweden. the voice of a generation saying nothing about the accolade. >> i think him not responding to the nobel committee, it's really in the spirit of his creative life. >> i've never been that kind of performer that wants to be one of them, one of the crowd. >> reporter: after the nobel committee received no more than collaborate, they're given up trying to track him down. back in 2001, he did accept a golden globe for best original song. his speech was 16 seconds. >> this is quite something really. thanks, curtis. thanks, hollywood foreign press and thank my band, the record company and everybody in my family, and that's about it, really. >> reporter: tonight, honoring a musician with a nobel say if he's not going to show up, he shouldn't get it. but his fans just see dylan being dylan. >> he does it for him. he plays and he sings and he does it for him. ? ? the times they are a changing ? and while none of them are lucky enough to be nobel prize winners, a new group of big musical names will soon be in exclusive company. the years rock 'n' roand roll hall of fame class includes journey, tupac, chaka khan, depeche mode, jane's addiction and more. the inductees will be announced in december. when we come back, inspiring america. we'll show you what what happened when a college turned its losing football team into a winning farm team. "nbc nightly news" is brought to you by pacific life. helping generations of fifty years ago, humpback whales were nearly extinct. they rebounded because a decision was made to protect them. making the right decisions today for your long-term financial future can protect you and your family, and preserve your legacy. ask a financial advisor how retirement and life insurance solutions from pacific life can help you plan for your future. u stay regular caused unwanted gas. not good. then we switched to mirafiber. only mirafiber supports regularity with dailycomfort fiber. and is less likely to cause... unwanted gas. finally. switch to mirafiber. from the makers of miralax. ...clear forsee ya!ff. when you're living with diabetes. steady is exciting. oh this is living baby! only glucerna has carbsteady, to help minimize blood sugar spikes. the microsoft cloud offers infinite scalability. the microsoft cloud helps our customers get up and running, anywhere in the planet. wherever there's a phone, you've got a bank, and we could never do that before. the cloud gave us a single platform to reach across our entire organization. it helps us communicate better. we use the microsoft cloud's advanced analytics tools to track down cybercriminals. this cloud helps transform business. but my guy knows what to bring... like viagra single packs for ed. ask your doctor if your heart is healthy enough for sex. do not take viagra if you take nitrates for chest pain or adempas? for pulmonary hypertension. your blood pressure could drop to an unsafe level. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. stop taking viagra and call your doctor right away if you experience a sudden decrease or loss in vision or hearing. ask your doctor about viagra single packs. finally tonight, a small college in texas did the unthinkable in that state when it got rid of its losing kids found another way to grow and see their efforts make it all the way to the big leagues. steve patterson has tonight's inspiring america report. >> reporter: it's said in texas, the state religion is football. but at paul quinn college in dallas, the team was so bad they didn't have a prayer. >> we couldn't afford football. >> reporter: so when the school brought in a new president, he shocked the lone star state, by getting rid of the game, and replacing it w >> turns out it wasn't very popular with the football players. >> i've got baseil, swid charred -- >> reporter: the farm manager helps students grow while learning to tend to crop, all in exchange for cash and college credit. >> it's about teaching them accountability, about how to show up on time, ready to work. >> for the actual pea -- >> reporter: the yield, 30,000 pounds within a mile radius. we serve as that hub for fresh produce for our neighborhood. >> reporter: once harvested it's donated to dallas non-profits and sold to local restaurants, but by far, the biggest client is the home of the dallas cowboys. ending up in kitchens right here at at&t stadium. >> when did you guys pick this? >> we picked these yesterday afternoon. >> very nice. >> that's really, really cool. >> reporter: today the school that kicked football out is this is something that was effortless and it makes a lot of sense, and it transcends into what we do with our partnership with them. >> reporter: this fall, the farm is flourishing and enrollment is up. >> to know that if you work hard, if you apply yourself, you can make a way out of no way. >> reporter: a winning season on the field, tilling instead of touchdowns. steve patterson, nbc news, dallas. that's gonna do it for us on a tuesday night. news, thank you for watching and goodnight. >> he went out of his way to tonight at 8 at 7:00, sheriff grady judd ex-plains how a bank executive tried to cover up a deadly hit an run. but i'm the father of three girls. i can't stand hearing donald trump call women pigs, dogs, and bimbos...and i sure don't want my daughters hearing it. i want my girls to grow up fought for. so, i'm voting for hillary clinton. hillary clinton: i'm hillary clinton and i approve this message. >> right now, on newschannel8 at 7:00. >> good evening, thank you for

Related Keywords

New York , United States , New Hampshire , North Carolina , Texas , Washington , Florida , Mexico , Arizona , Paul Quinn College , Iraq , Las Vegas , Nevada , Sweden , Hollywood , California , Pennsylvania , Park City , Utah , Ohio , Dallas , America , Iraqi , Mexican , Iraqis , American , El Chapo , Marco Rubio , Steve Patterson , Chaka Khan , Gadi Schwartz , Andrea Mitchell , Richard Engel , Tim Cook , Joaquin El Chapo Guzman , Hallie Jackson , Jake Reese , Chuck Todd , Michelle Obama , Grady Judd , Bob Dylan , John Podesta , Hillary Clinton ,