Investigate how this situation happened and how no one appeared to notice that it had happened. Jeff . Kris van cleave, thank you. The deep south is drying out and cleaning up after severe storms, including tornadoes that swept through several states yesterday. At least five people were killed. Omar villafranca is following this. Reporter residents in Southeast Alabama woke up in the path of the storms destruction. In rehobeth, four people were killed when powerful winds sent this 50foot tree crashing into a mobile home. Next door, j. P. Kelley spent the morning corralling his cows. The storm raked across his family farm, destroying a 50 yearold barn. Its the worst wind that i have been through. Reporter he rode out the storm with his wife, huddled in an interior room of his home. The tornado sirens went off probably 30 seconds ahead of it. Reporter is that all the time you had . I think so because it built so fast. Reporter in jackson, alabama, blinding rain flooded the streets while the high winds ripped the roofs off of homes and left thousands without power. Even animals at the Alabama Gulf Coast Zoo had to duck for cover after the storm shredded their enclosures. Patti hall is the zoos director. Our perimeter fence, part of that, about 30 feet of that has been taken down, and it has disappeared. It has gone away. Reporter the system shifted east to georgia where Kenny Simmons and his wife watched the fastmoving storm hit their home. The whole trailer started shaking. I looked at her. She grabbed ahold of me. I grabbed ahold of her. The winds came through. Reporter nearly 80,000 people in two states are without power. Jeff, cleanup is expected to take several weeks here, and there are more storms in the forecast for this weekend. Omar, thank you very much. Coming up next, a dresser tumbles and a 2yearold saves his twin bother. Also ahead, a tragic mistake calls attention to the dangers of pesticides at home. And new evidence about what sank the titanic. Ugh, its only lunchtime and my cold medicines wearing off. Im dragging. Yeah, that stuff only lasts a few hours. Or, take mucinex. One pill fights congestion for 12 hours. No thank you very much, shes gonna stick with the shortterm stuff. 12 hours . Guess i wont be seeing you for a while. Is that a bisque . I just lost my appetite. Why take medicines that only last 4 hours, when just one mucinex lasts 12 hours . Start the relief. Ditch the misery. Lets end this. Disinfect with lysol bathroom toilet gtrigger. Just stay in the toilet. And lysol power foamer. They kill 99. 9 of germs. To clean and disinfect your bathroom. Lysol that. You could start your search at the allnew carfax. Com that might help. Show me the carfax . Now the car you want and the history you need are easy to find. Show me used minivans with no reported accidents. Boom. Love it. [struggles] show me the carfax. Start your used car search and get free carfax reports at the allnew carfax. Com. A mother in utah wanted to warn parents of Young Children about the dangers of unsecured dressers. So she posted video of her 2yearold twins knocking over the dresser in their room. One was pinned. For two minutes the other searched for a way to help before nudging the dresser off of him. Their mom says the dresser was made by ikea. The company could not confirm that but says it tells consumers all dressers must be secured to the wall using anchors it provides. Ikea recalled millions of dressers last year following the deaths of three children. In amarillo, texas, four children were killed yesterday in an accidental poisoning at their home. Their father set off a Chemical Reaction while using professional grade pesticide. Mireya villarreal is there. Reporter amarillo investigators say the father caused the deadly Chemical Reaction when he sprinkled pellets of a pesticide called weevilcide under the home and tried to wash them away. Reporter fire captain larry david says the water intensified the release of the toxic gas aluminum phosphide, which killed several Family Members as they slept. Do we know how the homeowner got his hands on this chemical . Were not positive. We were told the homeowner was given this chemical by a friend. Reporter the Environmental Protection agency restricts the purchase of weevilcide to licensed professionals and warns it should not be used within 100 feet of a home. The four children killed were ages 7 to 17. Six other Family Members are in stable condition. Has hazmat teams returned to the house today beginning the process of cleaning one of the worst poisoning accidents ever in amarillo history. The pesticide pellets are smaller than this dime, which will make finding them all and decontaminating the home extremely difficult. Jeff, experts say that if you need this level of pesticide, follow the law and use a professional. Mireya, thank you very much. Millions were looking into a crystal ball, but no one saw it coming. The great new years eve jewel heist, next. I really did save hundreds on my Car Insurance with geico. I should take a closer look at geico. Geico has a long history of great savings and great service. Over seventyfive years. Wait. Seventyfive years . That is great. Speaking of great, check out these hot riffs. You like smash mouth . Uh, yeah i have an early day tomorrow so. Wait. Almost there. Goodnight, bruce. Gotta tune the a. humming take a closer look at geico. Great savings. And a whole lot more. In his role as president of the senate, joe biden swore in new members today, but as it often happens, kids stole the show. That you will well and faithfully discharge the duties of the office youre about to take. So help you god. I will. [ crying ] shes not so sure. How are you doing . Politicians are used to kissing babies. This one vetoed that idea. Researchers say they discovered a new organ in the human body. It is called the mesentery. It attaches the intestines to the abdomen. Scientists have known about it since the days of leonardo da vinci. It was long thought to be several separate structures, but now Research Shows it functions as one organ. On new years eve, thousands of new York City Police officers had their eyes on the ball, and thats apparently what a band of jewel thieves was counting on. Heres don dahler. Reporter at the exact moment 1 million revelers were ringing in the new year in times square, blocks away three burglars smashed their way to an estimated 6 million fortune in gems and jewelry. As two of the men used a sledgehammer and heavy wrench to break into the offices of gregg ruth, a commercial jewelry company, one caught sight of the surveillance camera and put it out of commission. The Jewelry Store is in a non descript building in midtown manhattan. Authorities say the thieves made their way to the sixthfloor offices and waited until the stroke of midnight before making their move. 7,000 nypd officers were on duty nearby. The nypd is looking at this as a possible inside job. The freight entrance would ordinarily be locked. And the burglars either found two of the four safes already open or they had the combinations. Former fbi agent manny gomez. The timing was no accident. The focus on that day was terrorism, active shooter, violent crimes. Burglary of a Jewelry Store was not on their radar, and thats why these perpetrators acted on new years eve. Reporter detectives are currently interviewing employees and anyone else who might recognize this man. Gregg ruth jewelers specializes in rare pink and yellow diamonds. There was reportedly another 7 million in jewelry in the other two safes, but, jeff, those were left unopened. All right, don. Thank you. What sank the titanic. A change of course from investigators. That story is next. ,,,,,, father [beat box sounds] baby [giggling] more than a century after the titanic sank in the north atlantic, there are new clues to the cause of the disaster. Researchers say it wasnt just ice but fire. Heres mark phillips. She was the largest ship ever built. Reporter the documentary gives a new twist to an old story. And yet her Maiden Voyage would be her last. Reporter Everybody Knows why the titanic went down, she hit an iceberg, and despite being supposedly designed as unsinkable, she sank and took 1,500 lives with her, but that, the filmmakers say, isnt the whole story. The whole story involves a fire that had been smoldering for days in one of the vessels coal storage bunkers. Look at this anomaly in the hull. Reporter a fire whose heat may have severely weakened the ship and hastened its sinking. The new theory comes from recently discovered old photos of the titanics launching. They gambled . Yes. Reporter irish journalist Senan Maloney had been working on the fire theory for years. He says the dark patch on the titanics hull shows the coal was burning even as the ship was being launched. The intensity of the fire not only weakened the forward bulkhead but also may have caused that severe deformity to the hull and the ship put to sea with an outofcontrol fire that required 12 men to try to tackle it for most of the Maiden Voyage. Reporter the coal fire was known about at the time and was dismissed as the cause of the disaster by the official inquiry that followed it. The smoldering fuel was dug out and burned in the ships boilers, but maloney says the need to get rid of that burning coal quickly may have been one of the reasons titanic kept going at high speed despite knowing here were icebergs around. Almost 105 years later, theres still enough doubt and interest to keep the story of the worlds most famous maritime disaster alive. Mark phillips, cbs news, london. That is the overnight news for this wednesday. 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 jeff glor. This is the cbs overnight news. Welcome to the overnight news. Im jericka duncan. The 115th congress has been sworn in. Seven new senators and 52 members of the house took the office. When donald trump is sworn in january 20th, the republicans will control the white house and both houses of congresses for the first time in a decade. The first order of business in the house was to kill a republican plan to gut the congressional ethics office. Nancy cordes begins our coverage. Do you solemnly swear. Reporter the first controversy of the 115th congress came even before members were sworn in. House republicans voted to gut the office of congressional ethics only to reverse themselves 19 hours later in the face of bipartisan condemnation. Virginia republican dave brat. Part of it is the headlines where we were backing off on ethics. Thats not a good headline when it comes to messaging. Reporter the white house called it revealing. Thats not draining the swamp. Reporter the final straw came in the form of a social media swolding from president elect donald trump, who urged the party to focus on tax reform, health care and so many greater things of far greater importance. That prompted an emergency meeting and an aboutface. Its been withdrawn. Its been withdrawn. Reporter republicans say they still intend to reform the office, which currently has the power to investigate anonymous complaints that can turn out to be baseless. Iowas steve king. Jesus had the right the face his accusers. He asserted that before the high priest, and were saying members of congress shouldnt . Reporter some democrats saw todays flipflop as a gift, but missouris Emmanuel Cleaver argued the episode hurt both sides. Everybody is getting an avalanche of angry phone calls from around the country on this issue. Reporter what are people saying . Well, theyre saying you guys are trying to remove any kind of ethical standards. You guys want to be able to do wrong and hide. Plans for president elect trumps inauguration are moving along. Thousands of protesters are expected to line the parade route causing headaches for kret service. And dozens of alist performers say they want nothing to do with the parade or the parties to foll follow. Reporter performing in an inaugural parade is considered an honor, something to cheer. These days its also considered something to protest. The mormon tabernacle choir often participates. It has sung in five inaugurations over the last half century. But this time member Jan Chamberlain resigned from the choir rather than sing for president elect donald trump. I have to take a stance against something that i see as coming across to others throughout the world as supporting someone with horrible practices and beliefs, and i cant support that. Reporter groups from new yorks Marist College will perform for the first time, but several students are refusing to appear, and the college is under pressure from alumni like Kelly Hetrick to back out. Its also sending the message that were okay with the things that the president elect says. Reporter alabamas oldest private historically black liberal arts college also plans to march, but its taking some heat for doing it. There are petitions online, both for and against the Talladega College marching bands appearance. Were open arms to everybody. Reporter but Boris Epshteyn with the Trump Inaugural Committee says who is in and who is not does not matter. I will tell you, this will be an inaugural unlike any other, and it will truly, truly, truly show off the best of america. The big political changes are not limited to washington. After this latest election, Recreational Marijuana use is now allowed in eight states and washington, d. C. As for medical marijuana, its legal in 28 states, along with the nations capital. One study predicts the Legal Marijuana market will be a 21 billion industry within the next three years. Thats got a lot of younger americans looking at pot as a harmless drug that could generate even more problems. John blackstone has the story from a Marijuana Store in san francisco. Were here at spark, a medical marijuana dispensary. Despite legalization in california, this is the only place you can legally buy marijuana in california while the state develops rules for Recreational Marijuana for anyone over the age of 21. A new Study Suggests that legalization for adults may be impacting the way some teenagers view the risks of marijuana. Clay hurst and his mother now agree that teenage use of marijuana can be dangerous. But when clay was 14, he didnt see the risk. My son is an addict, and he has was an addict. He has been in recovery for over five years. Reporter you were a young teenager when you started using marijuana. Uhhuh. What attracted you to it . Knowing your parents are not going to support you as a 14yearold smoking marijuana, so its kind of the danger, the rush of that. He started using just very casually, and then it started being more of a daily habit, and that was quite alarming. He was really spaced out and zoned out all the time. Reporter clay started using ecta ectasy, prescription drugs and alcohol. You put your family through some hard times. Absolutely. I was one of the lucky ones. A lot of my friends, it did not end that way. I had a few die, a few overdose. Reporter today he helps educate young people about the dangers of drugs. We know that early initiation of marijuana use is associated with a greater risk for marijuana dependence later on in life. Reporter coauthor of a new study of marijuana use by teenagers in colorado and washington, two states that legalized use of marijuana for adults in 2012. We found very Different Things in colorado and washington. Reporter in washington state, she found that since 2012, marijuana use among 8th graders has increased by 2 and 10th graders by 4. 1 . And the perceived harmfulness of pot has declined by 15 . But in colorado, her study found legalization had no impact on marijuana use by teenagers. The risk to young people appear not to risk. For many years now, people have argued that its a bad idea to legalize marijuana for adults, because that will lead to more young people getting in trouble with marijuana. If anything, the latest results prove that is not the case. Reporter but the conflicting results point to the need for more study of the impact of legalization for teenagers. We know that longterm use is associated with Mental Health problems, economic and social problems, financial difficulties. Thats what we really want to prevent. Reporter it could be another year before sellers in california receive permits for resale sell of marijuana. My hygienist said to think of my teeth like an apple. They have to be great on the inside and outside. To strengthen both, she said to go pro. Go pro with crest prohealth advanced. It strengthens. Teeth inside, and is better at strengthening the outside. Than colgate total. Best checkup ever. From surfaces for up to 48 hours. You can pick up the flu its like having a sick Family Member in your home. But lysol kills 99. 9 of germs including 8 cold and flu viruses. To help protect your home lysol that. The longest running bar fight in history has been going on for 50 years. And its fueled by rum. Havana club rum. Some of its made in cuba, but some is made in puerto rico. With the new recent thaw in u. S. Cuba relations, the battle over a name is coming to our shores. Sharon alfonzi has the story for 60 minutes. Reporter its a tuesday afternoon here in old havana, and we and lots of other visitors to cuba are filing in and filling up the bar that calls itself the cradle of the dackarie. The head bar tender nears to double up on rum bottles just to keep up with demand. How many bottles do you go through a day . Between 60 and 80 bottles per day. Thats a lot of dackaries. Is this just from today . Yeah. Reporter all those bottles were filled with Havana Club Rum, produced by a 5050 joint venture between the cuban government and a french beverage giant. Which sent jerome to cuba to run