From afghanistan. The threat remains roughly constant. The insurgency is resilient, and we have 100,000 fewer combined forces on patrol across the country. Reporter so far this year 20 American Service members have been killed. There have also been two american civilian casualties, including 35yearold aid worker lisa akbari. The former u. S. Army researcher was shot in the back of the head while leaving her gym in kabul on sunday. Her family told us she had moved there three years ago to help afghan women and children. Maurice, this violence is why president obama recently decided to reverse course and keep 9,800 u. S. Troops in afghanistan through next year. Thats to keep the taliban at bay and to ward off this new threat posed by isis. Margaret brennan at the pentagon, thank you. Winter officially begins tonight, but you wouldnt know it in much of the east where temperatures soared into the 50s adriana diaz is in chicago, which tonight is the balmy city. Reporter maurice, we have only four days till christmas, but it feels like early fall. Todays high in chicago was 54 degrees. On this day last year it was 36. The warm winter has already kept this nonrefridgerated ice rink closed and even tricked flowers at the chicago Botanic Garden into blooming early. Cities like st. Louis, new york and boston all topped 50 degrees today, about 20 Degrees Higher than this time last year. The warm weather is cooling demand for hats, scarves and coats. Retail analysts told us the apparel industry has already lost more than 400 million this season because of the weather. Eric fisher is our chief meteorologist at our cbs station in boston. Eric, many records may fall later this week, right . Reporter maurice, dozens and dozens if not hundreds of records are going to be set this week, so a holiday week that millions of americans are going to remember for a very long time. Day. On wednesday some of the warmth here, the great lakes, the ohio valley, this is where we expect the highest concentration of record highs. We head into christmas eve, northeast down to the mid atlantic, boston near 70. New york city near 70 degrees. 70s down into washington, d. C. Then on Christmas Day itself, the record heat into the southeast, well into the 70s. Most of florida in the 80s, and many more recordrdighs. Almost every day this week theyre setting new marks. Also a very stormy week across the southeast. Bouts of heavy rainfall, thunderstorms, even a chance of some severe thunderstorms tonight, tomorrow and into wednesday as well as Christmas Day. A lot of heavy rainfall along the gulf coas some totals over five inches. Flooding could be another story for this week, as well. Eric fisher, thank you very much. The lawyer for a aomeless woman accused of a deadly crash on the Las Vegas Strip last night is raising questions about her mental state. Police say she repeatedly drove her car into a crowd on purpose. Others are in the hospital. Heres john blackstone. Reporter the usually busy Las Vegas Strip was crcrded instead with emergency vehicles after the 1996 model oldsmobile deliberately plowed into pedestrians on the sidewalk. Everybody has to get back. Reporter Antonio Nassar had just stepped out of the casino when the car sped past. People were bouncing off the front of the car. You could hear it. The windshield was smashed. She rode on the sidewalk and accelerated and just kept mowing everyone down. Reporter soon after police say 24yearold Lakeisha Halloway pulled into a casino parking lot and told the valet to call 911. It looked like she wasnt even trying to stop the car. She had both of her hands on the wheel and was looking straight forward. There were men running after her trying to stop the vehicle, and they couldnt get to her. Good morning, everybody. Reporter Clark County Sheriff joe lombardo doesnt think this was an act of terror but still cant rule it out. As far as terrorism, we dont know what the intent was behind it, and we dont know enough of we have not had the time or the luxury to get through all those investigative leads yet. Reporter lombardo says holloway came to las vegas from oregon about a week ago and had been living in her car with her child, who was also in her vehicle as she ran people down. She did not demonstrate signs of being under the influence of alcohol, but we had a drug recognition expert respond to the scene and determine that he believed she to be under some sort of stimulant. Reporter all 35 of the injured wewe visitors, coming from several states, as well as canada and mexico. John blackstone in las vegas tonight. In the president ial campaign, the Democratic Frontrunner has at times seemed to be looking ahead to the general election, taking on republicans like donald trump. Hillary clinton has a big lead in the national polls, but the races are much tighter in early voting states. I think thats especially appropriate here in iowa. Reporter with less than two months to go before the first voting contest, victories are not guaranteed for Hillary Clinton. According to the latest cbs battleground polls, vermont senator Bernie Sanders is just five points behind clinton in iowa, and in New Hampshire, hes beating her by 14 points. If we can win in iowa. If we can win in New Hampshire, i think were on our way to a National Victory and one of the great political upsets in the modern history of america. Reporter on cbs this morning, sanders said hes not ceding any ground, but he continued to accuse the Democratic National committee of playing favorites with the partys frontrunner amid the continued fallout of last weeks breech of Clinton Campaign voter data. I believe the action of the dnc to basically shut us off from all of the information that we have put into that base, the lifeblood of our campaign, was oh, my goodness. Reporter one staffer was fired and two others have been suspended pending an investigation into whether the sanders team has stolen any of the Clinton Campaigns data. Clinton is still the favorite to win the nomination, but a loss in iowa or New Hampshire could draw out the process, especially because sanders is sitting on a Campaign War Chest fueled by grassroots donors, and, maurice, that means less time for clinton almost sixty million americans are affected by mental illness. Together we can help them with three simple words. My name is chris noth and i will listen. From maine to maui, thousands of High School Students across the country are getting in on the action by volunteering in their communities. Chris young action teams of High School Students are joining volunteers of america and Major League Baseball players to help train and inspire the next generation of volunteers. Carlos pea its easy to start an action team at your school if you were a hippie in the 60s, you need to know. Its the dawning of the age of aquarius. Yeah, and Something Else thats cool. What . Osteoporosis is preventable. All osteos preventable . Right on if you dig your bones, protect them. All cbs cares on the republican oide, another candidate quit the race today. And new Jersey Governor Chris Christie is making a move in New Hampshire. Major garrett has been spending time with christie in the granite state. I ask for your vote, for your trust and for your confidence. Reporter this town hall in pelham was Chris Christies 41st in New Hampshire. Since the terrorist attacks in paris and san bernardino, shift in anxiety. 75 of his questions now are about terrorism, triple what they once were. As politicians we need to be responding to that fear. Reporter we rode on the christie bus and asked if fear can get the best of people . I dont think that we should be afraid of people because of what religion they practice. Reporter or how they look . Of course. That goes hand in hand. What you need to be fearful of is not having enough intelligence to know the difference between a jihadist and a peaceful muslim. Reporter how do you do that . You first of all ramp back up the nsa program, which never should have been taken down. You give real support to the fbi. Reporter and what would christie do to recruit more arab and nato allies in the fight against isis . We have to say to them, this is a fight all of us need to take on together. What skin are you going to have in this game . Reporter what if they say, not nearly as much as you want or you demand . Well, you know what, thats when i become my charming and thats what we do. Reporter christie is still running fourth but hes doubled his support in a month. Yet he has no Campaign Team after New Hampshire. He couldnt even submit a full slate for the delegates for the ohio primary. Im not worried about that. If we win in ohio, well get all the delegates anyway. Reporter christie has had to learn patience as for months his campaign teetered on the edge of irrelevancy while distancing himself from a scandal back home. Listen, the stuff that happened in new jersey, the bridge stuff matures you. When you take that level of abuse and then you come out the other side of it fine, youre a much Better Office holder. Reporter the ranks of christies republican rivals shrank by one today when Lindsey Graham dropped out. Maurice, graham took credit for persuading republicans in this race to be more willing than they were before to send Ground Troops to syria to fight isis. Major garrett in New Hampshire tonight. Thank you. We are getting a chilling look tonight at life for some isislinked terrorists in africa who kidnapped hundreds of nigerian schoolgirls last year. A new report says the group killed 1,000 people in just the past two months. Debora patta reports from cameroon tonight where a woman freed from captivity but whose ordeal is far from over. Reporter aisha musa has been living in a crowded refugee camp for seven months. She survives by selling corn meal at the local market. Musa was kidnapped by boko haram militants. They killed her family and forced her at gunpoint to become a jihadi bride. They show you a gun, she said, and then whatever they say, you have to follow their commands. She told us her captor would lock her in during the day. At night he would rape her. He would go on operations and then come home and force me to be with him. Musa was rescued by the cameroon military, but the worst of her ordeal was finding out she was pregnant by her rapist. She told us, i am not enjoying that i have a baby from a boko haram man. But she is resigned and there are moments of tenderness. Her story is not unusual. Boko haram has captured hundreds of girls, the most infamous the over 200 chibok schoolgirls kidnapped more than 18 months ago. Musa never saw the chibok girls but often heard the fighters speak of them. Like many of the other girls here, they too were forced to marry the militants. And in a double injustice, many are now stigmatized by their community. Girls like musa are regarded as spoiled goods, the baby a very public reminder of a cruel and debora patta, cbs news, minawao, cameroon. Aaa said today that for the First Time Since 2009 the average price of gas nationwide is below 2 a gallon, about 42 cents cheaper than a year ago. A report out today points to a growing danger on the roads, drowsy drivers. Those leaving the night shift could be an accident waiting to happen. Heres anna werner. Reporter this man just came off a night shift. Watch the video on the left as he veers all over the road. Nearly half the night shift workers tested nearly crashed. Dr. Charles czeisler worked on the study. They were crossing over the middle line. They were having trouble staying in their lane. More than 40 of the drives had to be terminated because it was judged to be unsafe. Reporter more than half the off behind the wheel at least once a week on their way home, and they did no better in the test. They knew they were being watched, yet even in that context they couldnt stay awake while they were driving in a simulation of their commute home from work. Reporter dallasarea Convenience Store manager shariq khan starts work at 11 00 p. M. And works through the night. Sometimes when i get off of my job, when i drive back home, i feel like im falling asleep. Reporter he believes the lack of sleep led to him having a couple minor accidents. Researchers suggest night shift workers like khan skip driving and find another way home, but his area lacks public transportation. Theres no alternative. Theres no bus or no Train Service there. And i cant afford to have a taxi every day. Reporter researchers say night shift workers are fighting their own Natural Sleep patterns and they cant sleep as well during the day no matter how much they try. They lose about two hours of sleep a day, and maurice, after sleep. Okay. Anna werner, thank you. From victory to defeat in about two minutes. The story behind the Miss Universe mixup. Star wars did even better than expected at the box office. And meet a star in sheeps clothing. The cbs overnight news will be right back. Silent night holy night sleep in heavenly peace sleep in heavenly peace enough pressure in here for ya . Im gonna take mucinex sinusmax. Too late, were about to take off. These dissolve fast. Theyre new liquid gels. And youre coming with me. You realize i have gold status . Dissolves fast to unleash max strength medicine. Lets end this. Weve been changing things up with ky love. Oh yeah. Its a pleasure gel that magnifies both our sensations. It gives us chills in places weve never gotten chills before. Yeah, it makes us feel like. Dare to feel more with new ky love. Where are you . Well the squirrels are back in the attic. Mom . Your dad wont call an exterminator. Can i call you back, mom . He says its personal this time. If youre a mom, you call at the worst time. Its what you do. If you want to save fifteen percent or more on car insurance, you switch to geico. Its what you do. Where are you . Its very loud there. In the end, the right contestant ended up with the crown, but many felt the host earned himself a dunce cap. Mireya villarreal fills us in on the confusion at the Miss Universe pageant. Colombia reporter its the moment every pageant contestant dreams of. I have to apologize. The first runnerup is colombia. Philippines reporter but for miss colombia, a moment that should have been filled with joy and celebration turned into confusion and awkwardness when host steve harvey realized he crowned the wrong winner. It was my mistake. Reporter but steve harvey said the reason for his confusion was how the names were listed on the card. After the show he apologized again. Reporter to add insult to injury, when he posted an apology on social media, he misspelled philippines and colombia. Critics went online to skewer harvey. Pageant coordinators put out a statement saying, unfortunately a Live Telecast means human error can come into play. Miss colombia took her loss graciously. Everything happens for a reason, so im happy. Philippines, the real Miss Universe, the crowning moment will be best remembered as one of Steve Harveys biggest blunders. Its a very nontraditional crowning moment, isnt it . Its very 2015. Reporter the ratings for this years pageant broadcast had over a million fewer viewers than the last broadcast, and maurice, a cbs officer for the pageant actually told cbs radio that they would absolutely have harvey back for the 2016 pageant, saying the world would forgive and forget. Okay, mireya, thank you very much tonight. Well, in a moment the nfl filled with rough play. Today the nfl suspended new york giants wide receiver odell beckham, jr. , for one game. He was whistled for three personal fouls yesterday, including this vicious helmettohelmet hit on Carolina Panthers cornerback josh norman. The league said beckham placed opponents at unnecessary rik of injury. Star wars fans were out in force over the weekend. The scifi adventure took in more than half a billion dollars worldwide, 248 million of that was in the u. S. And canada where it broke the Opening Weekend record set this year by and well be right back. Woman what does it feel like when a woman is having a heart attack . Chest pain, like theres a ton of weight on your chest. Severe shortness of breath. Unexplained nausea. Cold sweats. Theres an unusual tiredness and fatigue. Theres unfamiliar dizziness or lightheadedness. Unusual pain in your back, neck, jaw, one or both arms, even your upper stomach, are signs youre having a heart attack. Dont make excuses. Make the call to 911 immediately. Learn more at womenshealth. Gov heartattack. While i was on a combat patrol in baqubah, iraq, a rocketpropelled grenade took my arm off at the shoulder. I was discharged from the army, and ive been working with warriors, you dont have to be severely wounded to be with the Wounded Warrior project. We do have a lot of guys that have posttraumatic stress disorder. Being able to share your story, i guess it kind of helps you wrap your mind around what did happen over there. My name is norbie, and yes, i do suffer from posttraumatic stress disorder, we have quite a yarn to end the broadcast, and its spun by jim axelrod. [ rooster crowing ] reporter on a