>> have a great tuesday. making news in america this morning, super tuesday showdown. the most important day so far in the presidential election. multistate voting with a lot at ste. we'reive in washington with the candidates last-minute efforts and states seen as must wins today. violent rally. chs erupting at a donald trump event. protesters disrupting the front-runner and a photographer gettining slamm to the ground by a secret service agent. caught on camera. a driver leading police on a wild chase in a u-haul. and historic year in space. astronaut scott kelly preparing for his return to earth after a record-breaking mission. well, good tuesday morning.

season. >> it is super tuesday. voters in 12 states are casting their ballots and a treasure grabs. hillary clinton is holding a commanding lead over bernie sanders in the latest national poll. on the republican side a protest and a scuffle erupted at a donald trump rally as he trades more insults, trump soared in a new poll jumping ahead of his rivals marco rubio points. >> it's "your voice, your vote" and we have live team coverage. lana zak standing by in washington, d.c. but we'll get started with stephanie ramos who is in virginia where polls open this morning at 6:00. good morning, stephanie. >> reporter: good morning to you, kendis and reena. you got it. itit is sup tuesday and voters can cast their ballots starting at 6:00 this morning in alexandria, virginia. as soon a as they close in 12 states we couldld effectively have a nominee for both parties. super tuesday is here. the biggest voting day of the

election. voters in a dozen states and a u.s. territory will go to the polls today with 1,610 delegates at stake. hours before they open the candidates zig sagging across and holding rallies trying to grab last-minut votes. >> let me be very clear to the men and women of texas, i will not compromise the way -- >> reporter: ted cruz hoping to win big in his home state talking religigious liberty. >> you know what they say about men with small hands. >> repter: his barrage of insults against donald trump subsiding by the end of the day but at a trump rally in virginia, tension. >> get them ou >> reporter: a lararge group of student prorotestersarched out and as they passed a photographer from "time" magazine thrownn to theround by a secret service agent. the secret service now investigating. >> i don't think america has ever stoppeded bei great.

america whole. >> reporter: hillary clinton hoping to keep her lead over bernie sanders. >> now it is time for massachusetts to lead the political revolution. >> reporter: but a fund-raising e-mail from clinton shows her looking beyond sanders and targeting gop front-runner donald trump. the latest national polls showing 49% of republican voters would support a president trump. here in virginia, many more voters are expected to turn out today, much more than the last time both prs held presidential primaries. kendis and reena, back to you. >> live in alexandria, virginia, steph, thanks so much. now to what's really at stake today. there are key states ss for the democratsnd republicans. >> to break it down abc's lana zak is live in washington. good morning. >> reporter: good morning. no single candidate could win the nomination today, however, for donald trump and hillary clinton, this could be their opportunity to really pull ahead.

is texas. ted cruz's home state where he has a slim lead in a recent poll. it is the biggest delegate prize of the day and experts say it is a must win for cruz. there are 595 total delegates up for grabs in the gop. more than a quarter come from texas and there are many more delegates at stake for the democrats. 1,015 delegates are up for grabs. bernie sanders will likely win his home state of vermont but a recent poll has clinton with a slight lead in neighboring massssachusett for sanders to keep this rice close he needs to win in the south but six of those, alabama, arc, a, georgia, texas, tennessee and virginia have significant black populations, an electorate in which clinton has strong support. and if sanders continues to be beat badly in the south as he was this past weekend in south carolina, well, it will be virtually impossssibleor him

>> all right, a long day ahead for all seven presidential mpaigns. we move on. the state department releasedts final batch of hillary clinton's e-mails while she was secretary of state. >> she's been under fire for using a private e-mail server at least 2100 e-mails that she sent or were received contained classified material. none were marked classified at the time which clinton has repeated ly repeatedly cited in her defense. the fbi is investigating whether any laws were broken. stay with abc news all day for super tuesd coverage. our political team will be here tonight at 10:00 eastern with the latest and tomorrow, be sure to tune in to "america this morning" for the results. >> let's take a look at the super tuesday weather. it could impact the voting. march is definitely coming in like a li. you can see the storm bringing upper midwest. >> as much as 6 inches expected in wisconsin and michigan. chicago and detroit.

standoff in southern california. dragging on for hours with children in the car. police responding to a domestic indent chased a driver in a hummer across at least three freeways in orange county. the man's girlfriend and his two kids were in the suvv and she had a restraining order finally released unharmed n nearly s hours after the ordeal started. the first time the u.s. or any country admitted this, the pentagon is using cyberweapons against isis and stepping up the digital warfare. the gold is to disrupt the ability of isis to communicate, control its forces and manage finances. defense secretary ash carter says it may force the extremists to use older technologies that are even easier to disrupt. it's now just a matter of hours until scott kelly leaves the international space station for earth. he's been in space for nearly a full year. kelly handed over command of the station to another astronaut on monday. now, later he and two russian crew members will ride a

kelly says being up the so long required a lot of help. >> spaceflight is the biggest team sport there is and it's, you know, incredibly important that we all work together to make what is seemingly impossible possible. >> kelly and the russian will land tonightht i kazakhstan. when h returns to houston kelly will quickly undergo tests with his twin brother mark. they will gauge the effect that all that time in sce had on his body. >> they're not sure whether it willic weeks or months for him to recuperate. apple winning a major court case against the fbi. >> plus, breaking down. erin andrews in tea on the stand. her emotional testimony talking about being secretly filmed. caught on camera.

powerful tornado. not exactly what you want to see in your neighborhood gas station. a shuttle bus at the pumps on fire. the driver had noticed that it was overheating and pulled in to get help. besides the bus, gas pumps and a large chevron sign here in san francisco were destroyed. one firefighter had minor injuries. well, a teen accused in the latest school shooting will be in court this morning charged with trying to kill two fellow students. investigators say the 14-year-old opened fire in the school cafeteria i in middleton, ohio. hittg the two students, two others hurt while trying to run away. the school which had practiced for exactly such an event went into lockdown and the sheriff says he knows what's behind the shooting but he wouldn't release details. at the supreme court, gps

clarence thomas spoke. it's the first time in ten years that thomas has said anything during an oral argument. the court and it wasn't just one question but a string of them in an exchange that lasted several minutes. thomas said in the past that he relies on written briefs and doesn't need to ask questions. well, apple has won a legal victory in its latest battle against the government. a judge ruled that apple can't be compelled to help the fbi to unlock an iphone in a narcocs case and is ruling the judge said he found no limit on how far the government would go to require companies to violalate deeply held american values. the justice department plans to appeal. well, that ruling h has no effect on the battle invving apple and the fbi. when it comes to unlocking the iphone of one of the san bernardino terrorists. apple's top lawyer will testify before congress about that case totoday. he'sxpected to maintain apple's position that creating special software to unlock the

it is both a setback and a first for self-driving cars. one of the google vehicles was in an sdecht sideswiping a transit bus. there have been other accidents volving google's self-driving vehicles but thihis is a first one where the car was a fault. google says it has tweaked the software. i still believe it can helpp with soccer drop-off and pickup. when we come back, sounding the alarm. health officials with a new warning for a popular birth control device. and always finish strong.

championship after celebrating announcement: this storm promises to be the biggest of the decade. with total accumulation of up to three feet. roads will be shut down indefinititely. and schools are closed.

made for real, rl life. watch this close call for a fedex driver in southern louisiana during a powerful tornado. she spotted the funnel cloud in her rearview mirror and then tried to take shelter inside of a hardware store but the door was locked and barricaded with sandbags so the driver hid behind a soda mache outside the store. it fell over and the tornado all but destroyed the store. but the fedex driviver is fi. well, drivers could run into more s severe weher this morning from that same part of louisiana up until the appalachians. just wet roads further north. heavy snow awaits them in the northern midwest this morning and in the northern rockies. another storm is m moving in the northwest. if you're flying, airport delays are likeliest in chicago, detroit and memphis. the virginia police officer killed on her first day on patrolill be remembered today during funeral services.

route as ashley guidon's body was takefrom the funeral home to the memorial chapel. an army sergeant assigned to the pentagon has confessed to killing guidon when she respond to a domestic call at his house. "dancing with the stars" host erin andrews broke down on the witness stand during her lawsuit against a nashville andrews was videotaped by a stalker while she was changing that video went viral and in the process humiliated her. she described in court the moment she firstst saw it. >> you know your body, and i saw it for two seconds and i was like, oh, my god, then i shut it down. >> andrews went on to say that she became all but dysfunctional for several months after the video went online. she wants $75 million from the hotel which she says made it easy for the stalker. he was convicted and served 20 months in prison. the controversial contraceptive essure will be given the fda's most serious

from the market. complaints from women who said the pain and bleeding they suffered was so severe, they required surgery to remove the device. the fda is also requiring manufacturer bayer to conduct more studies on the risks. and news about another controversial product for women. the libido drug addyi, a new study finds that it only modestly increases sexual satisfaction. given the side effects they conclude the benefits of taking it weren't worth it. a veteran holwood character actor as died. george kennedy is best remembered for his supporting role in "cool hand luke" for which he won an oscar but the actor was in dozens of other major films in his more than 50-year career and although he usually played a tough guy, he was e ofhe best liked charters and actors in hoywood. george kennedy, a world war ii veteran, died of natal causes at 91. boy, this was certainly an adventure in moving near detroit.

allegedly stolen u-haul van began on an interstate highway then it moved to local roads and the chase continued even after the truck's titires s blewut o obstacles that police had actually placed in the roads. finally a deputy banged into the van with his squad car. the truck came to a halt and the driver was under arrest. word of a contract extension for tom brady has new england patriots fan cheering. reports indicate the 38-year-old quarterback has signed a two-year deal with the team. the extension is said to give the patriots significantly more room under the nfl's's salary p. now, before the extension, brady was due to make about $15 million for the coming season. well, brady still has a couple of months before he gets back into action. as for the guys who were in action last night, we get the highlights from espn. he's stan. i'm neil. it's the beginning of the workweek. we'll build up our intensity as this goes on. >> cleveland cavaliers need to build up their intensity. they lost three of four and lebron james took a day off

they got absolutely trashed in washington. that's what j.r. smith said. james feeding matthew dellavedova there, and thehe cavs tiedhe game at 94 then tristan thompson, big shot there. frank vogel, the indiana coach wanted offense to follow. didn't get it. cavaliers up by two. george hill puts up the shot but check out thompson with the big block, so he contributes at both ends of the court. cavaliers pumped up to get the win. it's cleveland, 100-96. 33 for james. >> stan and i will play all five days this week. thiss the thunder and kings and have to wonder what kind of bounce-back the thunder would have after getting bounced by steph curry. i was at dave & buster's before he hit that shot. the place went nuts. westbrook went nuts in this game. he almost fooled around and had a triple-double by halftime, stan. got it midway through the third quarter.

cousins/steven adams thing going here. >> that could be explosive. >> cousins had 35. nobody scores points at home like csins. >> he's getting drug there. >> but it's all about scoring the most points. look at the steven adams look. when i retire i'm going for that look. >> back to you. >> it's a good look. >> it is. up next in "the pulse," more reasons to get your zzzs. how lack of sleep gives you the munchies. and say cheese. the dog with braces going viraral. i have asthma... ...one of many pieces in my life. so when my asthma symptoms kept coming back on my ng-term control medicine, i talked to my doctor and found a missing piece in my asthma treatment. once-daily b breo prevts asthma symptoms. breo is for adults with asthma not well controlled on a long-term asthma control medicine, like an inhaled corticosteroid. breo won't replace a rescue inhaler for sudd breathing problems.

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you're not getting enough sleep and researchers are finding more links between sleep depvation and eating j junkfood. >> lack of sleep, it actually raises blood levels of a chemical that boosts your desire for food. so, even if you're full that happens. plus, a lack of sleep also makes you less likely to exercise. >> and makes you more cranky. >> yes. >> likely. okay, so if your lite one is cursed with bad teeth it's a -brainer, of course, you head to the orthodontist even if that little one has four legs. >> want to take a look. that's wesley. you see a super cute golden retriever puppy. how adorable is wesley but apparently his adulteeth came in wrong causing a lot of pain, he stopped eating. he lost weight. so, wesley's owner decided to give him braces to fix the problem. look at this. want to show you this next picture. west lieying look at that smile. that's a colgate s smile if i ever saw one. >> he'll only have to wear the

>> and the other good news he's not using teeth whitening. >> he'll get there when he gets older. now finally we know what the late great yogi berra would say about a high school basketball team from rhode island. it ain't over until it's over. >> this is a painful one. check the highlights, shall we? the team in the dark uniforms hits a late shot, yes, they start celebrating, they're thinking they've won the state title after what looked like a defensive steal. >> okay, but there's one second left and the team in white inbounds the ball. the kid hits a layup and the terre haute c chargers win it with no time on t the clock. it ain't over till it's over. >> they're the ones celebrating. so many people in vegas had the chgers going the wle way. all the bookies. >> bookies aren't always righght, kendis. sometimes you have to go for the underdog.

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topp stories, it's super tuesday. voti is getting under way in a dozen states and more than 1,600 delegates are at stake. donald trump h surged to 49% in the latest national poll. hillary clinton has also pulled far ahead of bernie sanders but sanders managed to raise $5 million yesterday alone anhe's vowing to stay in the race for the long haul. and astronaut scott kelly returns to earth today after nearly a year long stay on board the international space station. his rehab is expected to take weeks if not months. looking at today's weather, severe storms in the south this morning. heavy rain and snow later in parts of the northeast and rig now in the northern midwest. another storm system moving into the pacific northwest. well, finally fm us, it's only tuesday but we have a

>> the oscars are over. cleanup under way. did you know they make the losingominees stay after to clean up? so cate blanchett with a big bag of garbage this morning. >> i thought chris rock did a fantastic job hosting. in fact, his jokes about the all white oscars were so good, the academy has already decided they won't nominate any black people again next year. >> big upset was in the best supporting actor category. sylvester stallone was heavily favored to win and instead the award went to this man who i believe is a high school history teacher. i don't know. >> chris rock said black actors should get roles like leonardo diprio does. yeah, then black actors saw the bear scene from "the revenant" and said, we're good, you know, actually. >> won his first oscar 22 years after his first nomination. he was like do you have any idea

long for something and hillary is like, yes. >> this has been a long time coming for leo. he was first nominated for "what's eating gilbert grape" and 22 years later he finally won for getting eaten. >> a beautyy and fashion website posted a tweet confusing whoopi goldberg for oprah winfrey at the oscars. mix-up sparked the #s thatisnot oprah. oprah, not oprah. oprah, not oprah oprah cobra bar of soapa deepak chopra doctor with a stethoscoper stethoscopera >> that was quite a mix-up. >> that was quite a mix-up indeed. >> that's what's making news in

>> have a great tuesday. "you're watching good moring iowa in hd. we are iowa's most accurate weather team. good morning iowa starts now " elias: good morning iowa! i'm elias johnson... sabrina: and i'm sabrina ahmed. it's x:00 a-m on tuesday march first. elias: good to have everyone with us! and it's great to have central iowa's most accurate forecast with meterologist sam schreier! hey sam! sam: (sam adlibs) sam (sam adlibs) sam: weather adlib: strong winds and snow are going to keep driving conditions very tough for northern iowa through the morning hours today. the bulk of snow has stayed primarily in northern iowa centered roughly around highway 20, and