Scarcely believe their time may have finally come. Nightly news begins right now. From nbc news World Headquarters in new york, this is nbc nightly news with lester holt. Good evening. 15 days to go, and the debates behind us, time and opportunities for gamechanging moments are growing short in the race for president. Virtually every poll Shows Hillary clinton ahead, but by different margins. Over the weekend, an abc news tracking of likely voters put clinton 12 points in front of donald trump, while a cnn orc poll out this afternoon shows her leading by five. The numbers have trump calling foul, as he looks for traction in allimportant florida. And Hillary Clinton today showing newfound confidence. Were on the road with both campaigns, starting with Andrea Mitchell in New Hampshire. Reporter tonight, Hillary Clinton in battleground New Hampshire, the candidates new confidence showing. I wish the election were today. Top donald trump tormenter. He thinks that because he has money that he can call women fat pigs and bimbos. Reporter going after him for this comment during the last debate. Such a nasty woman. Get this, donald nasty women are tough. Nasty women are smart. And nasty women vote. On november 8th, we nasty women are gonna to cast our nasty votes, to get you out of our lives forever reporter with polls giving her a steady lead, clinton openly dismissive of trump. I dont even think about responding to him anymore. Reporter so confident the clinton team focusing on the senate, where democrats need four seats to take back control. Clinton hoping to boost Democratic Women candidates by tying their opponents to trump. In pennsylvania, democrat katie mcginty, running against senator pat toomey. Shes running against someone who refuses to stand up to donald trump. Reporter North Carolina sunday with democrat debra ross against republican senator richard burr. And this afternoon in New Hampshire with Democrat Maggie hassan, running against senator kelly ayotte. She knows he shouldnt be a role model for our kids. Reporter here in New Hampshire, Hillary Clinton had trouble winning over younger women during the primaries. Now the question is, has thatha clinton really help in these tight seasonality races in these tight senate races . Im not sure that clinton helps democrats as much as trump can hurt republicans. I have not seen her have a lot of coattails. Reporter Democratic Candidates are counting on clinton and president obama, who will both be campaigning nonstop between now and election day. Andrea mitchell, nbc news, manchester, New Hampshire. Reporter im katy tur in tampa, florida. But utah, georgia, and arizona, once reliably republican, and essential for a trump victory, are now all up in the air as well, according to nbc news most recent electoral outlook. Even Rush Limbaugh is skeptical. Theres nobody that wants these polls to be wrong more than i do. Reporter so is karl rove. I doubt that in the just over two weeks we have left, conducting the kind of campaign that he is conducting, that hes going to be reporter and today trump himself is admitting the obvious, at least on the radio. I think were goings going to have a brexit situation. You know, that one was behind in the polls. I guess im behind in the polls but not by much. Reporter but on stage, he is boisterous. Were winning. Reporter just like his campaign manager. He overperforms many of his polling numbers at the ballot box. Reporter the reality on the ground in florida, challenging for trump. Democrats have republicans by 50,000 votes. To put it into perspective, president obama won florida by 73,000 votes in 2012. It really would require something on the order of something weve never seen in a president ial campaign before, to shift the underlying dynamics. Reporter tonight 15 days until the election and donald trump is introducing his own online tv show, a 6 30 p. M. Lead in to his rallies program the nightly newscast. Its long been rumored trump will start his own tv network should he lose. Lester . Thank you, katy. Federal crash investigators have arrived in palm springs, california, to investigate a horrific crash that killed 13 people in left many in Critical Condition. A tour bus that departed a Southern California casino, taking passengers to los angeles, when it plowed into a big rig that was slowing down. Its one of the most violent accidents even veteran officers say theyve ever encountered. Nbcs miguel aag First Responders arrived, they struggled to reach survivors trapped in the mangled wreckage. 13 dead, 10 women, 3 men, 31 others injured. Today the ntsb begins its work. There were no seat belts aboard the older bus. Its unclear whether there was a data recorder. And no reason as to why the driver plowed into the big rig at 5 00 a. M. The drivers hours are part of the investigation. A commercial driver is limited to ten hours we cant say definitively what the cause of the accident was. Reporter the tour bus left a casino in salton city, headed to los angeles, 160 miles away. Traveling on interstate 10, north of palm springs, there was a construction zone. The fastmoving bus, slamming into a big rig, moving at just five miles an hour. I woke up to screaming, says delia sanchez. We were all sleeping. I dont know what happened. This man says he was alive. The impact, it hit me from behind. Reporter officer Hector Gutierrez was at the crash site. Ive been with the department for 16 years and ive, in my career, never seen Something Like this. Reporter the bus company, usa holiday, is familyrun. One bus, one driver. The company was involved in a fatal accident nearly a decade ago. But this bus had recently passed safety Critical Condition here at the hospital, tonight the california Highway Patrol says its looking into the possibility that the driver of that tour bus went inside the casino. They say they are reviewing surveillance tape to determine exactly what he was doing inside that casino before he got back behind the wheel. Lester . Miguel almaguer in california tonight, thank you. An urgent manhunt is under way in oklahoma for a double murder suspect whos hinting of more police say he shot and injured two officers, stole a patrol car, killed two family members, and is now Taunting Police on social media about what will happen next. Nbcs blake mccoy has details. This is more intense than what i thought it was gonna be. To say the least. Reporter broadcasting live on facebook, an accused murderer shows off his ak47style assault rifle. This is real, see. Thats a [ bleep ] tuned to your local news. Reporter tonight Michael Vance is injured and on the run. His wanted poster warns he has a medical condition and may try to spread disease. At this point in time, we dont know where he is. Reporter the spree of terror began sunday evening with the shooting of two wellston, oklahoma, police officers. We have an officer hit. That makes two. Reporter a Good Samaritan stopped to help. Both of them were bleeding pretty bad tied them up. They told us just to stay low, that the guy was running out in the woods. Reporter according to the arrest warrant, vance is then accused of stealing a police car im about to steal another car. Reporter before carjacking another woman, injuring her, and killing two of his relatives. Kay and Ronald Wilkson are vances aunt and uncle. Authorities say he tried to dismember their bodies. Police say vance had recently been accused of sexually assaulting a child, his court now under way. Tonight vance is considered armed and extremely dangerous. Blake mccoy, nbc news. We have a warning tonight about many wifi connected Smart Devices in our home controlling everything from thermostats to garage doors. We know hackers took control of tens of millions of personal devices connected to the internet to use as Cyber Weapons in that massive cyber attack that crippled major websites last week. Nbcs jo ling kent has more now to keep them them from targeting your home. Reporter a massive cyber attack, infiltrating homes across america. Its disconcerting. Its frightening. Reporter the new tactic was carried out by hackers rkz using a virus to take control of millions of personal devices connected to the internet, like home routers, dvrs, baby monitors, and security cameras. Without their owners knowledge. Tens of millions of these devices sent bogus signals to dyn, twitter, air bnb and spotify. That information overwhelmed the dyn system, bringing access to those sites to a virtual halt. Dyn says the issue was resolved within hours, but the attack highlights a new vulnerability. This is a very serious virus. Its a malware virus. Its open source, so anyone can grab it and do bad with it. Reporter the attack raising a red frag in homes where garage doors, lights, and thermostats are all Smart Devices. Youre opening yourself up to who knows what. Reporter dyn says no personal data was stolen and no cameras were activated but some experts fear its only a matter of time. Companies arent putting any emphasis on security obviously. As a matter of fact, most of the default passwords that are being put on these devices are admin and password. Reporter to protect yourself, check connected devices around your house and update the software. Change passwords on every device, not just your wireless router. And buy updated products with the latest security features. Jo ling kent, nbc news, manchester, New Hampshire. Turning overseas now, where the fierce fighting in iraq is edging closer to mosul, the target of a u. S. Backed offensive against isis. As the operation marches forward, iraqi forces have liberated a christian town that has suffered enormously under isis rule. Our Richard Engel is on the front lines inside iraq. Reporter iraqs elite counterterrorism troops, trained by the u. S. , are at the tip of the spear in the fight against isis. We join their commander, Major GeneralMaan Al Saadi for a tour of their front line positions from a rooftop in the village of bartella, the general barked orders at his lieutenants. Down below, tank and machine gunfire from the iraqi forces, was answered with mortar rounds from isis positions. The enemy has had two years to dig in for this battle. Fast. Iraqi forces backed up by u. S. Air strikes have been blasting their way through village after village, leaving a wake of destruction. So far, the vast majority of these villages have been empty, the civilians having escaped isis long ago. As soon as the iraqi forces reached his hometown of bartella, father john terachi and his wife were determined to see what was left of their homes. Ts reporter father john and his wife thanked the iraqi troops. But isis left its mark. Bartellas main church was desecrated and much of the town stands in ruins. They will do everything. Bad thing. What can we do . Reporter father john salvaged a few books and left again. Vowing to return. Isis wanted to extinguish Christian Life in iraq. It gave people like convert or die. But many christians managed to escape, waiting for the day when they could return to their homes. Now, it seems, their prayers are being answered. Lester . Richard engel inside iraq tonight. Still ahead, growing outrage. Why the government is ordering thousands of veterans to repay war time bonuses from a decade ago plus interest. Also the new alert from doctors. 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It began in 2006 when the California National guard offered soldiers bonuses to reenlist to fight in the wars in iraq and afghanistan. Now ten years later, the military says thousands of the soldiers didnt actually qualify, and it wants that money back. Nbcs Anne Thompson has details. Reporter former Army Intelligence is furious. They betrayed me. I gave them my time like i promised. They cant give me my time back. Reporter she sends more than a quarter of her monthly income, 650, to the military, to repay 26,000 in bonuses she got to reenlist. Weve had to dip into our savings. Weve completely exhausted our savings account. Reporter chris van purple heart in iraq. Hes refinanced his home to cover the 46,000 the military says he shouldnt have gotten. I think we really got screwed. And i think it was a slap in the face. Reporter both were members of the California National guard, enticed by the guard to reup with bonuses of 15,000 or more when the pentagon was trying to fill the allvolunteer force from 2006 to 2008. Only after the incentives were paid did the pentagon realize not all soldiers qualified. In most cases, the soldiers didnt do reporter the story first reported by the Los Angeles Times involves about 10,000 soldiers who owe approximately 20 million. The vfw calls the efforts to get the money back insulting. This cannot stand in the way its Going Forward now. Thats why we asked the department of defense to waive all further outstanding debt for these veterans. Reporter tonight the department of defense said the at the matter. These former soldiers say theyre already paid. Im proud i was able to support and defend the constitution. Am a frustrated . Yes. Am i angry . Absolutely. I did everything they asked me to do and i did it honorably. 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Along the way, vee helped a young bob passed away after suffering alzheimers disease. He was 73 years old. Big headline tonight for the American Auto industry. For the First Time SinceConsumer Reports began putting out its list of the most reliable brands in the early 80s, a u. S. Brand is in the top three. Audi and kia round out the top five. And theres news for parents of newborns, the American Academy of pediatrics said infants should sleep in the same room for their parents in for the first year, in order to lower the risk of sleeprelated deaths like sids. Doctors say they should sleep on their backs on a firm surface, and avoid blankets, pillows and soft toys while they sleep. When we come back, who is about to see their world series title drought come to an end, cubs fans or indians fans . About to see their world series nbc nightly news is brought to you by pacific life. Helping families is brought to you by . 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 longterm financial future can protect you and your family, and preserve your legacy. Ask a Financial Advisor how retirement can help you plan for your future. How tall are you . How do we measure greatness in america . Its measured by what we do for our children. And an economy where every Young American can find a job that lets them start a family of their own. Ive spent my life fighting for kids and families. I want our success to be measured by theirs. Im Hillary Clinton and i approve this message. Impressive linda. It seems age isnt slowing you down. But your immune system weakens as you get older increasing the risk for me, the shingles virus. I could surface anytime as a painful, blistering rash. One in three people get me in their lifetime, linda. Will it be you . And thats why linda got me zostavax, a single shot vaccine. Im working to boost lindas immune system to help protect her against you, shingles. Zostavax is a vaccine used to prevent shingles in adults fifty years of age and older. Zostavax does not protect everyone and cannot be used to treat shingles you should not get zostavax if you are allergic to gelatin or neomycin, have a weakened immune system or take high doses of steroids are pregnant or plan to become pregnant. The most common side effects include redness, pain, itching, swelling, hard lump warmth or bruising at the injection site and headache. Its important to talk to your doctor about what situations you may need to avoid since zostavax contains a weakened chickenpox virus. Remember one in three people get shingles in their lifetime, will it be you . Talk you to your doctor or pharmacist about me, youve got a shot against shingles. Finally tonight, the chicago cubs have a shot to end the baseball. Its been over a century since the cubbies claimed the championship. But to do it, theyll have to beat the team with the second longest drought, the Cleveland Indians. Heres kevin tibbles. . . Reporter public enemy number one in chicago for 71 years. Murphy the billy goat. Aka cubs killer. Yes, the loveable losers are finally world series bound. Curse which legend has it when a local tavern owners pet was booted from wrigley field, has been put on notice. Way back then, public enemy al capone was still around, and the cubs were doomed to decades in the cellar. Why do you keep coming out here . Because were dummies. Were dummies. Were too loyal. Cheese burger, cheese burger, cheese burger. Reporter today at the billy goat tavern . You want the curse to be over . Over. Reporter looking 44 years for me. Reporter 108 for them. Exactly. Reporter are you going to be able to handle winning . Absolutely. Reporter but the world series has yet to begin and the cubs havent won it since 1908. Back in the days of the model t and before tvs and toasters. Cubs fans believe their team is the best thing since sliced bread, which was invented in 1912, four years after their last win. Alas cubs fans, theres another team had a long wait too. The Cleveland Indians havent won the world series since 1948. But they just won the nba championships for the First Time Ever with some guy named lebron. Theyre ready for more and thats no mistake. Reverse the curse reporter as for billy, everyones being real nice to him these days. Go cubs reporter kevin tibbles, nbc news, chicago. Go team. Thats going to do it for us on this monday night. Im lester holt. For all of us at nbc news, thank you for watching and . Lights, camera, access . It was a brutal episode. Its hard to make everybody happy. Double the death on the walkin walking dead. More eyes watching than ever before, how did two of deads favorites find out their gruesome fate. Michael, when did you know