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 so you, too, can get in on the action. 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 killed at least 22 people this week in the midwest. Nearly a foot of rain caused the Mississippi River to rise towards record levels, along with the meramec river, and nearly a half dozen others in the region. David begnaud is in valley park, missouri. David. Reporter elaine, good evening. Where we are standing, this is usually one of the busiest intersections in st. Louis county where there would usually be semis passing through, tonight it is water from the meramec river, which crested earlier today. But tonight, not far behind where i am standing, it is nearly 20 feet deep, where it should be dry. Over the next 12 hours, the Mississippi River is expected to crest in st. Louis at 42. 5 feet, nearly 12 feet above flood stage. John houser lives just south of st. Louis in the city of arnold. Were just fighting the water, and its up to the red keep the pumps running and make sure the wall doesnt fail and hope the water goes down in a hurry. Reporter overnight, the floodwaters snarled traffic for miles, and today missouris busy i55 became the second major interstate to close this week. Gene liston was stuck in the middle of it. Theres nowhere you can go, you know. I mean, its water, but, you know, if theres enough of it, you cant do anything. Reporter statewide, more than 12 people have been killed due to the extreme flooding. It has washed away homes, highways that is highway 141. Reporter and shut down Water Treatment plants. Steve stenger is the executive of st. Louis county. How many miles do you estimate are under water . It would be difficult to estimate but very near us right now there are about seven miles under water, right where were standing. Reporter that should be dry. That should be dry. Reporter back in the city of arnold, police chief Robert Shockey says the worst may be were to the point now where the sandbagging, its not going to hold it back. Were going to lose probably anywhere from 100 to 150 homes will be affected by this flood, if not more. Reporter back here in st. Louis county where we are despite massive flooding, the county executive says not one person has been hurt or killed since the flooding started. Elaine. Extraordinary pictures. David begnaud reporting tonight. David, thank you. In the northeast, this was the warmest december on record. The average temperature in concord, new hampshire, 38 degrees, was the warmest since 1868. 51 in new yorks central park, the warmest in 147 years. 51 in philadelphia broke the record set in 1874. For businesses that rely on snow, rising temperatures mean plummeting profits. Heres demarco morgan. Reporter with nearempty lifts and nearbarren slopes, this wasnt the ski trip Jackeline Vasquez was hoping for. Its a mess. The snows wearing down. This is the last time im going. Im going home now. Reporter unseasonably warm temperatures left skiers scrambling. Vicki said this one trail at jack frost ski resort in pennsylvania was their only option. Every single one closed, closed, closed, until we get here and they said we just have one trail open. Very disappointing. Reporter this barren landscape is a far cry from the Winter Wonderland of last year. Its not bestlooking snow, but at least were open. Reporter general manager mark daubert. Weve had some tough years where its been warm, but its never been this warm continuously. Reporter is this a first for you in your experience . Had tough starts, but this is the worst ever. Reporter its not just here in blakeslee, pennsylvania. Webcams at other resorts such as blue mountain, camelback, Spring Mountain and shawnee show snowless slopes. Some are reporting they have lost 20 of their business so far. Colder temperatures start arriving tonight as the new year arrives, and daubert is hoping to make up for lost time. By the latter part of the weekend, and early next week, with the cold air coming in, well be back on our feet and get rolling again. Reporter elaine, weve learned that more than 70 ski resorts across the northeast are closed, but those numbers are likely to change with the temperatures expected to drop in the new year. Demarco morgan reporting from pennsylvania tonight. Demarco, thank you. In the president ial race, several key aides have quit ben carsons Campaign Just a month before the iowa caucuses. Carson had led several republican polls in iowa but has faded in recent weeks. Today, Campaign ManagerBarry Bennett stepped down, as did doug watts, the communications director. Bennett says carson has been ignoring him and relying on his longtime Business Manager armstrong williams, a radio and tv host. Williams denies that and carson had no comment. Coming up, police in los angeles explain why crime is on the rise. The commander in comedy. And the Golden Gate Bridge has a brush with big ben. The cbs overnight news will be right back. Medications, does your mouth often feel dry . A dry mouth can be a side effect of many medications. But it can also lead to tooth decay and bad breath. Thats why theres biotene, available as an oral rinse, toothpaste, spray or gel. Biotene can provide soothing relief and it helps keep your mouth healthy too. 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This has been medifacts for delsym. Last year we followed some High School Dropouts as they tried to turn their lives around through a program run by the National Guard called the challenge academy. After graduation, michelle later. Lets go reporter a lot has changed for 18yearold adjekai stewart since we first met her in july 2014 at sunburst Youth Challenge academy. Yes, sergeant you better hurry up lets go. Reporter she and 200 other rebellious, unfocused High School Dropouts were getting a wakeup call like none theyd ever heard. The day is going to be a long day reporter for fiveandahalf months, we watched as they were transformed physically keep pushing. Reporter and emotionally. Stewart spent 10 minutes atop this confidencebuilding course. I cant reporter before she was coaxed into taking a leap of faith. Yeah there you go. There you go. Good job. Reporter do you see, though, how far youve come . I have, i have because i felt like i was just such a weak person back then. Reporter but if you hadnt gone through that. I wouldnt be where i am. I wouldnt. Reporter where she is, is a firstsemester college student. Stewart graduated challenge academy last december. Then she graduated from high school in june. I cried the next day because i was like, wow, like, i actually i actually finished. I actually graduated. So it was really cool. Reporter 17yearold parker coker is almost finished, too. Youre doing good, man, youre fine. Reporter at sunburst, we found a kid trying to climb out of the hole of his bad choices. Back then, he explained it this way you gotta look ahead, and its not really easy to look ahead when you dont know how to, when nobodys really taught you how to. Reporter hell graduate High School Next Year and plans to join the army. Got a girlfriend . No. Reporter why not . And i chose the straight as. Reporter where would you be if not for sunburst . Probably in juvenile hall. Yeah. Reporter we heard the same from nearly all of the sunburst cadets we followed through this program. Edward tucker graduated high school this month. Christa hopkins and Francisco Lazo are on track to get their diplomas next year. Angel kay lemaster has dived right into her postsunburst life, and plans to try out for the swim team at rubidox high school. Hip, hop, loppy pop, let me hear my panthers rock rock rock louder now. Rock reporter the lengthy 16 yearold with the buzzcut could barely hold it together during the first few days at sunburst. If you listen to her story, you can understand why. Me and my mom were homeless pretty much sleeping in cars, underneath freeways. I was always on my own, couch hopping my entire teenaged life, which caused me to drop out. Reporter but now, shes focused on the future because she understands her past. I messed my life up, you know, and its hard to sit there and think that i messed my life up so bad they needed to go to sunburst in the first place. But it was an opportunity to open myself up and have a fresh start, a better chance. Reporter a second chance. A second chance. Reporter more than 120,000 High School Dropouts have gone through the National GuardYouth ChallengeProgram Since it was created back in 1993. Sunburst is one of the most successful, with a 92 success rte. And, elaine, they just graduated 200 more students this month. Compelling reporting. Michelle miller, thank you so much. Will be right back. Crime rose in 2015 in los angeles, the first increase in 12 years. Violent crime spiked about 20 in the nations secondlargest city. Property crime was up 10 . Ben tracy is there. Multiple shootings in the reporter two driveby shootings last night in los angeles left one man dead and two others wounded. So far this year, there have been 280 homicides in l. A. , up 10 from last year. The number of rapes increased 8. 6 , and aggravated assaults jumped more than 27 . The spike in crime, i dont understand. Reporter iona diggs has lived in south l. A. For more than 60 years. Her neighborhood has seen 74 more people shot in 2015, compared to last year. What kind of crimes have you seen increased . The shootings, driveby shootings. Reporter so serious stuff. Serious stuff. Reporter all 21 lapd divisions are reporting crime increases. Thats notable because crime had fallen dramatically in los angeles in the past decade due to a crackdown on gangrelated crime. Police attribute some of this years crime spike to a resurgence of Gang Violence this summer. In august, lapd commander about a twoweek span in south l. A. Where 50 people were shot, 15 of them homicides. There were internal gang disputes, there were love triangles, there was domestic violence. Most everything involved gangs in some way, shape, or form. Reporter since then the lapd has stepped up community policing. And made three times as many felony arrests. Iona diggs says shes not going to let gangs take back her neighborhood. Dont say this is your hood because its not. Its ours, you know, and im going to protect my hood, as you say. Reporter while crime is up, it is worth noting that it is still quite a bit less than it used to be. In 1992, this city saw more than 1,000 homicides. Elaine, this year that number is expected to be less than 300. Ben tracy breaking down the statistics tonight, ben, thank you. Jerry seinfeld goes for a ride with the president , next. Ke theres a ton of weight on your chest. Severe shortness of breath. Unexplained nausea. Cold sweats. 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 the Wounded Warrior project since 2007. 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, are these washed . [ laughter ] come on. Lets go. Lets go get some coffee. Last night, president obama appeared on Jerry Seinfelds online series comedians and cars getting coffee. You ready . I got some stuff to do. Reporter if you were expecting a conversation percolating with domestic and foreign policy, well, thats just not Jerry Seinfelds brand. Not that theres anything wrong with that. I do really well with the zero to eight demographic. Oh, really . They love me. Partly because they think my ears are big. And so i look a little like a cartoon character. Right. And then little kids love saying my name. Right. But its all one big name. Its barackobama. This is called the beast. Reporter seinfeld wasnt the only one with an american muscle i could call an American Nuclear submarine right here. I dont have that. Its a cool feature. Reporter a leader of the comedy world strolled the white house grounds with the leader of the free world. And, like the coffee, the conversation flowed. How far can you Wander Around up there in your underwear, how far can you get before theres people and its not cool . Its not cool generally wandering around in my underwear. The first night, youre sleeping in the white house. Right. What the hell is this, right . Yeah, a night at the museum. Thats how it feels for probably the first week. Reporter the 61yearold comedian pulled back the curtain on the 44th commander in chief with a surprisingly candid conversation. How many World Leaders do you think are just completely out of their mind . A pretty sizable percentage. Ridiculous amount of money. So much more than you, and yet how do i seem to you . Do i seem spoiled, out of touch . I dont know. You have a pretty good instinct for people. Right now you seem like a completely normal guy. But im putting on an act, just like everybody es does for you. Thats my point. Watch out, people. Reporter and when youre at the president s house, its only polite to let them drive. I like the hand hanging over the wheel. I mean, thats youve got to do it that way. And thats the overnight news for this new years day. For some of you, the news continues. For others, check back with us a little later for the morning news and cbs this morning. From the Broadcast Center in new york city, im elaine quijano. This is the cbs overnight news. To the overnight news. Im michelle miller. 2016 came in with a bang, with parties and fireworks from sydney, australia to anchorage, alaska. The biggest celebration of all was at the crossroads of the world, new york citys times square. Upwards of a Million People jammed into the square for an evening of fun and music. Of course, the dropping of the crystal ball, bringing out with the old and in with the new. Overseas, a massive fire broke out in a high rise hotel in dubai just hours before the midnight fireworks, which went on as scheduled. Canceled as arrests were made in a new years eve terror plot and security was tight at celebrations around the world. Elizabeth palmer reports now from london. Reporter not even terrorist threats could keep europeans from ringing in the new. From moscow to berlin. Although everywhere, security was heavy. Especially paris, where terrorists struck twice this year. There the defense minister himself appeared with some of the 11,000 soldiers on duty. It was a photoop designed to reassure residents and visitors. Were not really scared about it. We want to enjoy it. Weve never been here new years eve, and its magical. Reporter but the magic was scaled back a little. There were no fireworks this year, and the Traditional Party will wrap up earlier than usual. In brussels, the official party soldiers fanned out across the city and workers dismantled the stage where the new years show was to go on. After the arrest of two men suspected of planning holiday attacks. Some think it was an overreaction. I think its backing down to the threat of terrorism. I think we should stand up and just make everything happen. Reporter but belgians are edgy. This week, Police Arrested yet another suspect with links to the paris attacks in molenbeek, a brussels suburb that was home to two of the other attackers. And one of them, salah abdeslam, is still on the loose. Still, new years eve is for celebration, says this Brussels Club owner. I believe the people of brussels need to party and gather and to bond together. Reporter and it wasnt only the Belgian Police who discovered evidence of a new years terrorist attack. The turks too have arrested two bomb crowded areas in ank