middle of it all. and you will see the rescues in a moment, playing out elsewhere. meanwhile, the chain reaction crashes further north. a mix of rain and sleet, a coating of ice in pennsylvania. i-81 outside scranton, trucks and cars colliding. we begin tonight with abc's gio benitez live here in new york city tonight. gio, good evening. >> reporter: david, good evening to you. this storm has been pounding the east coast all day long, from tornadoes in the south, to dangerous high winds right here in the northeast. tonight, a dangerous commute home in the northeast. in philadelphia, winds over 50 miles an hour knocking over this tractor trailer on the walt whitman bridge. the threat extending all the way south. a violent tornado captured on camera in pompano beach, florida. watch as this driver approaches a massive twister. the street becomes an obstacle course. security cameras catching the storm move in. planters and debris becoming in all, 20 reported tornadoes across five states in 24 hours. near pensacola, a miraculous rescue. an elderly woman pulled from under the rubble after a tornado hit her home. the rescuers forming a human chain to get her out. >> hallelujah! >> reporter: just north of scranton, pennsylvania, a massive pileup. eight tractor trailers slamming into each other on black ice and crushing small cars. incredibly, only minor injuries. >> i'm all shaken up, but from what i've seen, that's a miracle. >> reporter: and further north, in rochester, new york, whiteout. nearly 18 inches of snow, making for a harrowing commute. >> horrible. the way it's coming down now, fish taming all the way down. >> reporter: in the air, over the past 24 hours, more than 2,500 flights cancelled, and counting. more than 200 people stranded at the philly airport, including a high school band from michigan, spending the night at the terminal. and david, you can still see it, but the real concern tonight is flooding. and when temperatures drop, icy roads. and, of course, as you know, that is what causes all of those accidents, david. >> yeah, because it's so difficult to tell. gio, thank you. let's get right to rob, watching storms on both sides of this country tonight. first, rob, the system in the east. >> reporter: it's been really dynamic. trel men douse contrast in temperatures feeding this thing. the low is across upstate new york. it will be existing into quebec. the snows will wind down behind it. the front will push the squall lines offshore. very windy tonight. here's a dramatic contrast in temperatures. record cold sunday morning. below zero, into the 50s this morning. so, huge warmup. cooling back down tonight, so, it's going to be slick spots in the morning. >> in the meantime, in the west tonight, you are watching something else? >> reporter: getting more active there, after a break in el nino. this is going to impact the entire west coast, from khanna dark all the way down to mexico. rain tomorrow. not a ton of moisture for southern california. still behind in the rainfall >> rob, thank you. now, to breaking news in the race for 2016 tonight. new pomlls on both sides. first, the republicans and where they stand in south carolina. donald trump at 38%, followed by ted cruz at 22% and marco rubio, back in third at 14%. and former president george w. bush taking aim at donald trump, with a message clearly directed at trump's tactics on the trail. and late today, a photo tweeted by jeb bush now making headlines. abc's tom llamas is in south carolina. >> reporter: in south carolina today, a flash of anger at a donald trump rally. [ booing ] a protester surrounded and escorted out. trump then inviting the men who led the charge up on stage. where they pledged allegiance -- to him. >> my man donald trump. i'll tell you what. i ain't going to lie to you, donald. when you first got into this, i was kind of a little iffy. i ain't going to lie. i said, i don't know, donald you're the best we've got by far. >> if it wasn't for mr. trump right here, i don't think any of us would have the voice that we have. >> reporter: but now, from the last republican president, a sober warning to voters -- don't fall into trump's trap. >> and i understand that americans are angry and frustrated. but we do not need someone in the oval office who mirrors and inflames our anger and frustration. >> reporter: former president george w. bush making the case for his brother, jeb. >> strength is not empty rhetoric. it is not bluster. it is not theatrics. the strongest person usually isn't the loudest one in the room. >> reporter: trump has blamed president george w. bush for leaving the country vulnerable on 9/11. now, jeb bush firing back. >> no one envisioned 9/11. i don't care what donald trump says. the guy is a complete loser. >> reporter: today, trump mocked his opponents, saying they're selling him short. well, i don't think he's going to win. this guy is so strident and so nasty. he's going to lose every single state. and then bush, poor bush, he comes out -- he goes, well, i don't think that donald trump can beat hillary clinton, but i can. i say, well, why aren't you beating me? why aren't you beating me? >> reporter: senator ted cruz brushing it all off. >> i think the people of south carolina want a commander in chief who won't engage in the insults, who won't roll around in the mud. >> reporter: cruz later talking tough. >> when radical islamic terrorists wage jihad on the united states of america, the answer is not to tweet insults at them. >> reporter: and jeb bush sending his own macho message. a one-word tweet, "america," with a picture of his new gun. a gift. his name printed right on the barrel. >> and tom llamas with us live at a trump event behind him tonight. you saw the numbers today. trump well ahead in south carolina. he has said, if he wins there, he'll run the table. president trump? >> reporter: that's right, david. today, president obama addressed the trump campaign, saying, quote, i continue to believe mr. trump will not be the president. i have a lot of faith in the american people. that said, trump is still drawing large crowds here in south carolina, and david, just seconds ago, he addressed what the president said, saying president obama is lucky he didn't run four years ago instead of romney, because president obama would be a one-term president. david? >> tom llamas, thank you. meanwhile, to the democrats tonight, and their battle for the south, and in particular, voters. new numbers tonight showing hillary clinton 18 points ahead of sanders in south carolina. in nevada. and just a short time ago, hillary clinton, launching an assault on republicans in defending president obama. in their battles with the president. abc's cecilia vega with what clinton just said. >> reporter: hillary clinton today implying racism is behind obama's supreme court >> some are even saying he doesn't have the right to nominate anyone. as if somehow he's not the real president. you know, that's in keeping what we've heard all along, isn't it? many republicans talk in coded racial language about takers and losers. they demonize president obama and encourage the ugliest impulses of the paranoid fringe. this kind of hatred and bigotry has no place in our politics or our country. >> reporter: clinton and bernie sanders with their eye on the same prize -- the african-american vote. >> you can't just show up at election time and say the right things and think that's enough. >> reporter: but her speech nearly derailed by a coughing fit that went on more than four minutes. >> too much to say. attending a prayer breakfast in south carolina. >> if we didn't dream, does anybody here think that we'd have an african-american as president of the united states today? >> reporter: and a day earlier in michigan, where they're struggling with that water crisis in flint, sanders with another appeal to black voters. >> well, if we can rebuild villages in iraq and afghanistan, we can damn well rebuild flint, michigan. >> a real battle between sanders and clinton. cecilia with me now. and you saw the new poll in south carolina, but you're covering this campaign. hillary clinton has spent a lot of time in nevada. what does this tell you? >> reporter: it says she's feeling the pressure there. she is heading back to nevada. you can hear how grueling this campaign is in her voice. her campaign is telling me they are bracing for an extremely tight race in nevada, david. they say it all comes down to turnout. we'll see on saturday. >> cecilia, thank you, as always. now to the battle over the supreme court tonight. just a short time ago, president promise to nominate a candidate to replace justice scalia. and this image tonight, justice scalia's chair, his door draped in black. and democrats pointing to this image tonight. president reagan in 1987, nominating anthony kennedy with just 13 months to go in his second term. kennedy, of course, later confirmed. but republicans tonight are rejecting that argument. abc's chief white house correspondent jonathan karl on the president's message to the senate, just moments ago. >> reporter: it will be in the great hall of the supreme court where antonin scalia's body will lie in repose friday, a public viewing not far from that chair, now cloaked in black, he used for his 30 years as a justice. today in california, president obama paid tribute to scalia's legacy as a supreme court giant, but also made it clear, he's ready to fight to replace him. >> i intend to nominate somebody to prevent them to the american people, to present them to the senate. >> reporter: but republicans remain dug in, insisting the next president should name scalia's replacement. the president today pointed out there is precedent for the senate confirming a justice during a president's final year in office. president reagan's tom knee anthony kennedy was confirmed in 1988. but kennedy's case was an unusual one. the vacancy came in july 1987, when justice lewis powell resigned. reagan first nominated robert bork, who the senate rejected after a long, bitter debate. reagan then nominated the less-controversial kennedy in november 1987. the senate confirmed him three months later, 97-0. democrats say with 11 months left in obama's presidency, there's plenty of time to confirm a justice. >> and jon karl with us from the white house tonight. and jon, a reporter asking the president, should we assume you will nominate a mod rat. how did the president answer? >> reporter: well, he said we should make no assumptions. president has a choice. he can nominate a liberal who would energize democrats during had election year, or dominate a moderate who has had bipartisan is up support. i would expect him to go in that direction, making it harder for republicans to reject that person, because it's somebody republicans have supported in the past. >> making it clear that nomination is coming. jon karl live at the white house. thank you. now, to that major health headline we reported on last night here. a report linking popular antacids to dementia. a 44% increase in the risk of dementia. abc's chief medical editor dr. richard besser tonight answering your questions, and if you are concerned, what you can do about heartburn instead. >> reporter: tonight, reaction to a study that hits people where they hurt -- heartburn -- and forecasts what they fear -- the possibility of dementia. >> basically my entire family takes prilosec daily. and it's very disturbing. took prescription heartburn drugs like prilo s.e.c. or prevacid on a regular basis. and while it found an increased risk of dementia, it doesn't prove that the drugs were the cause. americans spend more than $10 billion a year on these two main classes of heartburp medicines. protein pump inhibitors and h-2 blockers. available by prescription or over the counter. but look at this -- it's on the label. you're only supposed to use the over the counter ones for two weeks. the prescription ones, for most people, just for a few months. >> and rich is with us now. i want to get back to that point you just made. a lot of people take these drugs for heartburn, but the directions, as you point out, are really important here. >> reporter: yeah, that's right. the label is really clear. you shouldn't take these drugs for more than 14 days. if you still have heartburn at that point, see what else your doctor can suggest. >> and for folks at home who might be concerned about these drugs after these studies, is there anything we can do? >> reporter: well, if you are overweight, losing weight will help. raise the head of your bed when you go to sleep. your heartburn. for many people, it's acidic things like coffee and spicy food. >> raise your head when you go to bed? >> reporter: that can help. >> rich, thank you. in other news, an emotional return to the stage in paris this evening. the band eagles of death metal performing their first full convert there since the terror attacks in november. tight security in place, as you might expect. chanting with the crowd, "don't be scared." 130 people were killed in the attacks including 89 attending the show at the bataclan theater. the band's frontman saying everyone should be allowed to carry a gun. there is still much more ahead on "world news tonight" this tuesday. new developments tonight in the case of a serial killer making national headlines, worse than first thought. accused in ten deaths, now linked to several others. what was discovered in his home? the new details coming out tonight. also, the consumer battle now playing out this evening. dunkin' donuts may rain supreme in a big part of this country, new england in particular. well, the other name coming to town and who you will pick? last night, did you hear this? a lot of folks asking what happened with her sudden change in voice? well, adele's own explanation, as we continue.reward miles on your airline credit card. now you just book a seat, right? not quite. sometimes those seats are out of reach, costing an outrageous number of miles. it's time to switch... to the capital one venture card. with venture, you'll earn unlimited double miles on every purchase, every day. and when you're ready to travel, just book the flight you want, on any airline and use your miles to cover the cost. now that's more like it. i have asthma... ...one of many pieces in my life. so when my asthma symptoms kept coming back on my long-term control medicine, i talked to my doctor and found a missing piece in my asthma treatment. once-daily breo prevents 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 sudden breathing problems. breo opens up airways to help improve breathing for a full 24 hours. breo contains a type of medicine that increases the risk of death from asthma problems and may increase the risk of hospitalization in children and adolescents. breo is not for people whose asthma is well controlled on a long-term asthma control medicine, like an inhaled corticosteroid. once your asthma is well controlled, your doctor will decide if you can stop breo and prescribe a different asthma control medicine, like an inhaled corticosteroid. do not take breo more than prescribed. does not improve or gets worse. ask your doctor if 24-hour breo could be a missing piece for you. see if you're eligible for 12 months free at mybreo.com. next tonight here, the dramatic scene playing out in a courtroom in los angeles. a cold case now roaring back to life. an accused serial killer charged in the deaths of at least ten women, and what authorities found in his home that has led them to believe there may be many more. abc's matt gutman in l.a. >> reporter: in court today, the prosecution claimed the bespectacled lonnie franklin was something other than an affable l.a. auto mechanic. >> evidence in this case will tell a story. a story of a serial killer who stalked the streets of south los angeles. >> reporter: he's accused of violating then murdering ten women since 1985. he is now allegedly linked to six more deaths. he has pleaded not guilty. serial murderer went dormant, earning the moniker the "grim sleeper." monique alexander was only 18 when her father last saw her walk to the store. >> why couldn't she come home? who kept her from coming home? >> reporter: what finally led police to franklin's suburban door was dna, but not his own. his dna was not in databases, but his son's was. so, investigators trailed franklin until they got a sample. >> slice of pizza, a fork, a napkin. >> reporter: when they raided his home in 2010, they found pictures of hundreds of other women. cold case investigators say that among the women he photographed were several others he's suspected of killing. now, they've identified some of those women, but disturbingly, not all of them. if convicted, he faces the death penalty. david? >> matt gutman with us from los angeles. matt, thank you. when we come back here, we've got breaking developments coming in. the earthquake ratfuling the west. also, a major interstate closed at this hour. a truck trapped in the rocks. pictures coming in from that more ahead. it takes a lot of work... to run this business. i'm on the move all day long... and sometimes, i just don't eat the way i should. so i drink boost to get the nutrition that i'm missing. boost complete nutritional drink has 26 essential vitamins and minerals, including calcium and vitamin d to support strong bones and 10 grams of protein to help maintain muscle. all with a great taste. i don't plan on slowing down any time soon. stay strong. stay active with boost. now try new boost compact and 100 calories. your path to retirement may not always be clear. but at t. rowe price, we can help guide your retirement savings. so wherever your retirement journey takes you, we can help you reach your goals. call us or your advisor t. rowe price. invest with confidence. 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"the piano mikes fell on the piano strings. it made it sound out of tune" then added, "because of it, though, i'm treating myself to an in-n-out. so, maybe it was worth it." nothing like a berger to make it all better. linsey davis, abc news,, new york. >> still love her. i'm david muir.you're watching kcrg-tv9. now, from your 24 hour news source, this is kcrg-tv9 news at 6. "he does his constitutional duty of appointing then we have to decide to consent or not consent" senator chuck grassley will play a big role in the confirmation process for a new u-s supreme court justice to replace the late antonin scalia. and today the chair of the senate judiciary committee took questions from voters at several stops in eastern iowa. this is video of grassley in 1988 when he joined the full senate in unanimously confirming anthony kennedy for the supreme court. the confirmation came in the presidency, which was an election year. it all comes after the sudden death of justice antonin scalia. he died saturday of natural causes. and now, federal appeals court judge jane kelly is one several people who could be up for consideration to fill scalia's seat. president obama appointed her to the 8th u-s circuit court of appeals in 2013, and she lives in cedar rapids. kcrg-tv9's dave franzman is live in marengo, one of grassley's stops today. dave, the president doeplan to nominate someone to replace scalia. that will put a lot of pressure on grassley to hold hearings in his committee. what did he say today? bruce, the senator used the phrase "one step at a time" to describe how the senate judiciary committee would react if the president does submit a nommee. and he used thatat phrase repeatedly without committing himself to step. senate grassley took a few general questions from the audience on other topics. but media attention was totally focused on the issue of a supreme court nominee in president obama's final year in office. and the sesetor wasnsn buying predictions of republicans paying a political price for doing nothing. "you'd have to prove to me we'd be taking a hit at this point " over the weekend, the senator agreed with top republblans the nomination should come from the new president next year. one activist who was trailing grassley in all his appearances tuesday said that was too long to wait for important court decisions. " the supreme court is the supreme court of the land and they need to be fully staffed " grassley says his role on the judiciary committee would be to begin the process of looking at a nominee's qualificatitis and he made no promises without seeing what the president would do first. " whether we consent or don't consent... we're still following the constitution "