To claim victory in his winner take all home state. Despite polling behind donald trump by more than 20 points. Ump so confident in the sunshine state, he canceled an event here to instead rally in the other winner take allstate, ohio. This is a place i want to win. Reporter where the polls show him tied. Give me a vote. Reporter with governor john kasich. At the loses ohio, were going to having an unbelievable time in cleveland because it will be a contested convention. Reporter ted cruz vowing to support t tmp if hes the nominee but openly critical of the clashes at the frontrunners rallies this weekend. One difference between this and a donald trump rally is im not asking anyone to punch you in the face. Theres no violence. These are love fests. Reporter the Democratic Candidates not feeling that love. Criticizing trump during msnbc town town hall. What hes essentially saying is go beat up people. President of the United States is ung divisiveness, is stoking fear. Reporter Hillary Clinton polling ahead in all five States Holding primaries today including here in florida. But bernie sanaers is starting to close some of the gaps especially in ohio. Confident he can pull off another upset. Kendis and reena . Marci gonzalez in miami, thank you so much. Donald trump did get good news, however, out of North Carolina ahead of todays primary. Authorities will not press charges are against trump for the comments that he made aer that the violent scuffle at one of his rallies last week. Trump said of his supporters, they started punching back. It was a beautiful thing. Official say thats not enough eviden to charge with inciteing a riot. Trump will have to do battle in florida without one of his top supporters. Sarah palin has canceled her Campaign Events in the sunshine seriously injured in a snowball accident. Todd is expected to make a full recovery. Look for Election Results from tonights primaries all evening along on abc news. Coming up, a look at the campaign ads bombarding later in this half hour. This morning disturbing new detail thes about the death of a Maryland Police officer. It appears jacai colson was shot by a ather Police Officer during a gun pat battle. And police say the brothers of the man who opened fire recorded e shootout on their cellphones. Suspect michael forward allegedly intended to die even recording his last will and testament before the attack. He and his brothers facing multiple charges. Officer colson was at the station to visit another officer on his day off. A former South Carolina trooper faces up to 20 years in prison after pleading guilty in shawn g gw bert was led from the court in handcuffs. E videotape where the trooper asked a black driver for his license and shoots him fou times. His wallet can be seen flying out of his hands. The driver survived. Investigate investigators say the amtrak derailment in rural kansas could have been much worse if not for a quick thinking engineer. The train was traveling about 6735 miles an hour when the engineer noticed something wrong with the tlaekd. Alex perez is at the scenene reporr federal investigators on the ground in kansas, trying to figure out what sent this amtrak train flying off the tracks. You the train carrying 145 people is traveling from los angeles to chicago. Then, the engineer notices a significant bend or defect in the track and hits the brakes, following protocol to avoid a bigger disaster. But eight cars still come off. Horrified passengers suddenly next thing i know is, i just feel the train lift off the ground and then set back down on the tracks, and then it does it again. It lifts it back up a it slams me into the door. Set a ladder up and well start evacuating some of these people off top. Repter more than 30 passengers taken to the hospital. Two with critical injuries, airlifted. And investigators zer rowing in on the condition of the track reportedly checking whether an unreported vehicle crash may have damaged the tracks. Alex perez on the scene in kansas. There is a link between football and devenrative brain disorders. Senior vp jeff miller was asked point blank if there was a connection between football related head trauma and cte. Research shows that i an number of retired nfl players are diagnosed with cte. So the answer to that question is certainly yes but theres also a number of questions that come with that. Among them is how common cte miller cited a Boston University study that found the disease in the prans of many retired player afc their deaths. The womens march madness tournament bracketas been set. For the tenth straight year, the uconn huskies are a number one seed. Theyre shooting for their fourth Straight National title. Up South Carolina, notre dame and baylor. The championship game is april 5th. Im oo rooting for those huskies again. They have a small little dynasty going id say. You never know what youre going to end foo when you look down. One particular observant woman is on a hike in eastern galilee and glanced down and shaw something shiny. It turned out to be a gold coin. This i no ordinary gold coin. The amazing thing about this, this was minted in the year 107. S, just 107 years after the death of jesus crist. Say, he might have used this coin . Into if he had lived another 80 years or so. The 2,000yearold coin bears the image of augustus, the first emperor. Apparently its the second only coin ever found. I think it would make a beautiful pendant. The fascinating thing about it is she turned it into the authors. Somebody with a good moral conscious. That could have been worgs more than a penny. You would have put it in a vending machine. It i still wouldnt have gotten my m m sz. Coming up in the mix, the cost of love. The dates and the gifts. It all adds up pore singles. Wait till you hear how much. Because youre single and youre advocating this. Im not advocating this. The potential dangers inside household humidity fires. What Safety Experts have discovered and what you can do to avoid harming your family. Our top story, primaries voters have been bombarded with costly political ads. Are any of them breaking through . One of our correspondents here in studio with us. Check out our behind the scenes pics on instagram. Youre watching abc world news now. Everyone loves the way dark clothes make them feel. And no one wants that feeling to fade. That why theres woolite darks. Its free of harsh ingredients, keeping rk clothes looking like new for 30 washes so your love for dark clothes will neverade. Woolite darks. Narrator breakfast. Dishes. Dinner. Dishes. Marriage. Dishes. Divorce. Dishes. Sleeping. snoring sputtering dishes. Not sleeping. Dishes. Life. Dishes. Death. Dishes. Dishes, dishes, dishes. Every dish, every time. 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Dont wait, call this number now. Our bacteria familys been on this cushion for generations. Alright kiddos everybody off the backpack, we made it to the ottoman. I like to watch them clean, but theyll never get me on the mattress designed for sofas, mattresses and more. Introducing new lysol max cover. Its innovative cap has a 2x wider spray that kills 99. 9 of bacteria. Macover is another great way to lysol that. Lawmakers on capitol hill will hold herring on the future you have selfdrivi cars. Automakers and Tech Companies federal regulations are putting therakes on the process of getting the cars on the road. Google is expected to urge nators to give the Transportation Department authority tort speed things up. Were dreaming if only all washington could be like there. This is actually a real image from Nancy Reagans funeral making an the rounds. Hillary clinton and george w. Bush shareagembrace and sling probably about a time when they were happy with the republican party. Hillary never thought she would say that. Its kind of nice to see both dynasties come together. They kind of shared something when youve been through the white house, theres a shared experience. Its sweet, isnt it, to see both parties get together. A very tender moment. Absolutely. As we reported, vote ares in ohio, florida, North Carolina and illinois and missouri plan to vote todayn a minisuper tuesday i guess. Very big day. For People Living in those states, it could mean they faced a barrage of political ads when web. Lauren lyster joins with us more a lot of the new ads coming out. We know donald trump is the front runner the republican race. Did you know though he is in the lead when it comes to being the target of attack ads. Maybe its not surprising. 20 million has been spent against trump since super tuesday. Thats according to an abc analysis of the data. The largest sponsor of these ads in that time period, marco rubios super pack. Primary voters are facing decisions and a number of new ads seeking to persuade them. Donald Trump Campaign violence. Reporter four o o of six new spots targeting republican frontrunner donald trump. Iddike to punch him in the face. Knock the crap out of hi reporter one super pac capitalizing on the recent controversy o fighting over trump events bimbo, dog, fat pig. Reporr and also focusing on women in this ad. After trump targeted john kasich while campaigning in the buckeye is fighting back. He attacked our john kasich with unhinged boldfaced lies. Reporter marar rubio throwing this ad into the fray. Focusing on florida, rubios home state where polls show him slipping further behind. The antitrump add s snd is nothing new. In fact, its fallen. Two weeks ago six in every ten republican add dollars were focused on taking trump down. Now its about four in ten. Still millions more than in the wake of the first rimaries. On the democratic side, Bernie Sanders making the last minute ad push online. 17 . But want to vote . If your birthdays before november 9th, you can. Reporter targeting young voters here. Another ad features Chicago School principal troy law rob yea. The impossible is possible. Thats one of the reasons i love busy. Reporter that last ad has racked up nearly 3 3 million views on facebook since its been thats just online. Sanders is outspending Hillary Clinton in tv ads in every state except for one heading to the polls. Sanders has gotten like some critical acclaim for his ads so far thi season. Are the ads pretty broad or rgeting just these five states voting today . In the case of john kasich, yes, thats an ad in ohio. One of them is not. So the trump ad focusing on his comments having to do with women is part of a national campaigngn its airing on National Cable tv and super pack behind it wont say how much theyre spending but just that its part of a multimillionollar campaign. The ads tell a fascinating. So nice to be here. Shes just asright eyed and awake as she is out in the field. Lets wait till tomorrow. Well show you where the coffee is. Thanks so much. Hulk hogans major ailment pe and if it can be considered news worthy. What the writer who broke the story had to say on the stand. First how something that is supposed to be helping you and your health may be hurting you. Why you may want to turn off the humidifier. Now. Breathe, just breathe oh breathe, just breathe humidifiers. I was thinking if you have kids, thousands of americans probably have them plugged in right now but they carry a dirty secret if you dont take care of them. Some humidifiers an claim they can prevent bacteria growth asked the epa to look into. Abcs gio benitez with more. Reporter the steam from a midifier, seen as a way to prevent sore throats and dry sis. Could that steam be spreading germs that could make you sick . Most people dont know how to clean them. How gross. I dont know how to clean a humidifier. Its not the easiest thing to cleem. Im not reaching all the tiny corners. Reporter or dont clean them as often as i should. Reporter weve collected ten humidifiers from philadelphia area families to test for bacteria and mold. Almost all admit they dont clean them regularly. Some have asthma and allergies. In what youre going to find. Im curious to see. Reporter we dropped the ten humidifiers from six different manufacturers at the lab at Thomas Jefferson university hospital. Dr. Amity roberts testing water from inside the humidifiers water tank and the vaport emits. Out of the ten humidifiers, all two had heavy bacteria growing inside and also in the vapor that our experts say could make our families sick i was surprised by the heavy growth in a few of the devices that you tested. Reporter and in three of the humidifiers, mold. How are you . Are you ready to see what was growing in there . Oh, gross. They found some bacteria but more importantly they found mold in the vapor whihi means the mold was going out. Thats not good. Especially since we have asthma in our house and allergies. Reporter mold in this familys humidifier, as well. This is what was growing inside. Oh. Mold can cause nasal congestion, sore throat, if the dividual has asthma, it can cause chest tightness or wheezing into to you for the humidifier with e most reporter our experts labelling it extremely dirty and whats inside could cause pneumonia flow it kind of looked like maybe a swamp. This is what was growing inside your humid tire. Oh, my gosh. And because youre a nurse, you know what that means. Yeah, that means my kids are not safe, which is very concerning. Reporter bottom line, experts say you need to clean humidifier every day. Emptying it and rinsing the base and letting it air dry before refilling and every week cleanan it thoroughly, according to the manufacturers instruction. Gio benitez, abc news, new york. Every parent in america with Young Children knows during the winter we all use humidifiers. I find his report terrifying. I dont know anyone who used distilled water. I use tap water. Which they say dont. I dont wawh it once a week. I do it maybe once a nth. We know whose house not to visit in the philadelphia area. Say my house. That, too. Shes. Marriage. Dishes. Divorce. Dishes. Sleeping. s sring sputtering dishes. Not t eeping. Dishes. Life. Dishes. Death. Dishes. Existence. Dishes. Dishes, dishes, dishes. Every dish, every time. Only fish has the power ball to take on anything. Shoulders dont just carry pads. They carry your fa passions, hopes, and dreams and maybe, a chance at greatness. Your heart loves omega33 but theres a difference between the omoma3s in fish oil and those in megared krill oil. Unlike fish oil, megared is easily absorbed by your body. Which makes your heart, well, megahappy. 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And youre coming with me. You realize i have gold status . Mucinex sinusmax liquid gels. Dissolves fast to unleash max strength medicine. Okay. So it expensive to be single. Did you know this. I did not know that. It is pretty pricey. Researchers did all the tally and the real cost of true love is apparently 20,000. The average person they say spends five years, five and a half years before they get married. And will spend 20 plus thousand dollars on dating. The average date is about, you know, 43. Its either dinner or a movie. Okay. The average man, this is not fair. Uhhuh. Spends 224. The average woman spends 93. This is where i suort hillary and pay equity. Yes,omen should pay as much as men. When you start letting us earn 100 of the dollar, maybe i didnt mean to start that. They did the research and found its really expensive to be single. To be single . To be single. If youre dating somebody, youre paying for that. So then youre not sing. The valentines, the cards, the breakup flowers. Whats the cost of being married . I want to see that report. You guys get it all. Thats cheap. Single versus married lifestyle. The cost of grief and anxiety. Thats priceless. There was a you might call in formula one for drones in dubai in the middle east. Take a look at this. Ththe were 250,000 at stake for the world drone prism in dubai. Look at this track the drones go through. There are pilots inside. You go around the speeding aircraft 12 lapse with skyscrapers, the dubai marine behi them. Guess who the winner was. It was a team that was pilot from england. Took first place. He looks like hes 5. Drone racing. At any time it increditable . Wear. He is the champion. 225,000 richer. Congratulations to that kid. Youll be able to go on a few dates with that money. Take a look at this kid in the meantime. Wowon posted to reddit. A photo of the baby girl that had a full head