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The republican and Democratic Leaders are forging ahead, leaving rivals with some hard calculating to do. What a super tuesday ifill it was a big night for frontrunners Hillary Clinton and donald trump. With seven super tuesday wins apiece, each now holds commanding leads. For the rest of the field, tuesdays results dramatically narrowed any path to the nomination. But most promised, for now, to press on. Ted cruz won three states last night and he campaigned late today in kansas. Marco rubio cast his vote for the march 15 florida primary today. You know, last night was supposed to be ted cruzs night. We beat him in half the states on the ballot. We won the state of minnesota, we picked up a lot of delegates and we feel great about what the map looks like now, moving forward. Ifill rubio notched only one win tuesday, in minnesota. And although he won no states yesterday, Ohio Governor john kasich headed to michigan this afternoon. Ifill ben carson, who has trailed far behind the others, announced today he is dropping out of tomorrows g. O. P. Debate in his hometown of detroit, writing supporters i do not see a political path forward. On the democratic side, Bernie Sanders won four states last night minnesota, oklahoma, colorado and his home state of vermont. He campaigned in maine today, taking shots at both clinton and trump. And it turns out that when they do these matchups of sanders vs trump, clinton vs trump, we almost always do better in those matchups than secretary clinton. So if people want a candidate who will defeat one or another of these right wing republicans, i think youre looking at him this afternoon. Ifill but clinton won significantly more delegates, with lopsided victories mostly in the south. Many republicans have not embraced trumps status as prohibitive frontrunner. Mitt romney, the partys 2012 standard bearer, announced he will deliver an address on the state of the race tomorrow. But although he has been harshly critical of trump, there was no indication he plans to endorse a candidate or jump in the race himself. Democrats, however, relished trumps triumph. Republicans shouldnt be surprised. They spent eight years laying the ground work for donald trump. The reality is that Republican Leaders are reaping what theyve sown. Ifill tuesday nights winners are clearly setting their sites on the general election and on each other. Its clear tonight that the stakes in this election have never been higher, and the rhetoric were hearing on the other side has never been lower. Once we get all of this finished, im going to go after one person and thats Hillary Clinton, on the assumption that shes allowed to run. Which is a big assumption. I dont know that shes going to be allowed to run. And i think thats frankly going to be an easy race. Ifill voters in more than a dozen states will head to the polls over the next two weeks, including delegaterich florida, north carolina, ohio and michigan. Well analyze the state of the race, after the news summary. Woodruff in the days other news, the u. N. Security Council Approved the toughest sanctions on north korea in 20 years. Its punishment for nuclear and missile tests earlier this year. The sanctions will mandate inspections of all cargo shipped to and from north korea, by land, sea or air. They also freeze Financial Assets and cut off weapons sales to whats officially called the democratic peoples republic of korea. The vote was unanimous, with u. S. Ambassador Samantha Power saying existing sanctions dont go far enough. That is why the resolution we have just adopted is so much tougher than any prior north korea resolution. We have studied the ways the d. P. R. K. Has been able to exploit gaps and evade measures aimed at impeding its Nuclear Weapons and Ballistic Missile programs and we have put in place new measures to fill those gaps one by one. Woodruff well speak with ambassador power later in the program. Ifill for the first time, the u. S. Military has captured a significant Islamic State leader in iraq. Its widely reported he was seized last month by a special Operations Unit that was recently deployed. The groups mission is to disrupt isis in iraq and syria. Officials have not released the militant leaders identity. Woodruff pressure built on the balkan states today to let more migrants move north from greece. Macedonia did let 170 people cross its border, but many thousands more are still stranded. James mates of independent Television News is there reporter the door has finally opened, albeit just a crack. A few syrian and iraqi families with Young Children today allowed from greece into macedonia. 14yearold ribhan and her eightyearold sister rezan are among the first to pass through this tiny door to what they hope is a new life. How many days have you been waiting in the camp . 10 reporter 10 days . And where do you want to go to now . Germany. Reporter from the other side of the fence, those not getting through watched and shouted their frustrations. Be merciful for all those people. We are not terrorists. Open reporter the Prime Minister of slovakia, one of the countries on the refugee route, had come to see how his policemen were helping to block the passage north. This has been the First Movement through this border post for 48 hours or so. Whether its part of a change of police or simply connected to this official visit, well find out soon enough. But either way, the flow is barely a trickle. While the numbers still arriving in greece resemble a flood. More than 2,000 a day. Many today making their way through fields towards the same crowded camp. Woodruff as of today some 30,000 people are now waiting in greece for the chance to move north. Ifill another piece of a longmissing Malaysia Airlines flight may have been found. It turned up on mozambique over the weekend. Thats thousands of miles from flight 370s last known coordinates, before it vanished two years ago, off thailand. So far, the only confirmed trace of the plane is a part of one wing. It was found last year on another island off africa. Woodruff indonesia was spared major damage today from a powerful earthquake. It had a magnitude of 7. 8 and was centered at sea, 400 miles off sumatra. Police in the coastal city of padang initially issued tsunami warnings and evacuated a hospital. But in the end, residents were largely unaffected. Ifill and, wall street managed modest gains. The Dow Jones Industrial average was up 34 points to close just short of 16,900. The nasdaq rose nearly 14 points, and the s p 500 added eight. Still to come on the newshour, the first major Abortion Case in a decade before the Supreme Court; charting the path to the white house after super tuesday; donald trump and the future of the Republican Party, and much more. Woodruff big wins on super tuesday, and impressive delegate leads, have both the trump and clinton campaigns starting to set their sites on the general election. Weve got work to do, but that work that work is not to make America Great again. America never stopped being great cheers and applause and we have to make america whole she wants to make america whole again and im trying to figure what is that all about. Make America Great again is going to be much better than making america whole again. Woodruff we unpack last nights results, and how it shapes the road to the white house, with reid wilson, chief Political Correspondent for the morning consult; and susan page, Washington Bureau chief with u. S. A. Today. And we welcome you both. So, you know, theyre focusing, already, to some extend, on the general election but lets talk about what they still have to deal with in the primaries. Susan, what did you make of the super tuesday result on the democratic side in. A pretty good night for Hillary Clinton. She won seven states, the sweetest victory had to be in massachusetts, the state next door to vermont, the state that knows Bernie Sanders well and famously liberal and for her to beat Bernie Sanders in massachusetts is a sign that though he still wins states and won states last night she is on a pretty steady path in the nomination. Woodruff what did you read that the voters were saying in the exit polls . We saw a divided democratic party. Onehalf wants a candidate who shares their values and cares about people like them, Bernie Sanders is winning that half. The other half is looking toward november, wanting an experienced and electable candidate and those voters are going with Hillary Clinton. The difference is in early states, iowa, new hampshire, the sort of optimistic, id ideologi, idealistic votessers were outweighing the experienced and electability voters. Now were shifting where the more traditional democrats are playing a bigger role in the coalition. With democrats, its not as though democratic voters supporting sanders find clinton unacceptable. The question is will they be energized and inthews castiastic and turn out to vote in november whereas republicans have a big problem with vote horse find donald trump unacceptable. Woodruff the turnout in democrats strike lig small than last time. Lets talk about Bernie Sanders and quickly look at the delegate count. Right now, the democrat, to win the nomination, you need almost 2400 delegates. Hillary clinton already has over 1,000. People are saying, okay, Bernie Sanders, hes done a great job, but some are saying why is me staying in. Although opinions those numbers are misleading because her numbers are boosted by her support among super delegates. Democratic delegates who are already convention delegates. If she hit a stumbling block, they could easily turn to a different candidate. Theyre not obliged to vote for her. That said, the democratic establishment wants Hillary Clinton to be the no, maam nie and they want it wrapped up as soon as possible and with as few wounds as possible. Woodruff if youre Bernie Sanders wharks you hearing now . The path Bernie Sanders has to take to get to the 2380 delegates necessary to win the nomination is pretty steep. The way the democratic calendar sup favors the frontrunner. Recall back in 2008, super tuesday gave a u. S. Senator named barack obama just enough lead over Hillary Clinton that he could sort of sustain it through the long, grueling months until he got to those delegates knows win. So the what the Sanders Campaign has to do now is win by increasingly larger shares as the contest goes on. That becomes harder and harder especially in a party that shows its okay for Hillary Clinton. Woodruff you mentioned donald trump. We had news today that ben carson will not be staying in the race. I guess hell fake the formal announcement later. What does that do to the field . Obviously one person less. Does it change anything . There is now so much pressure on the republicans to do something about donald trump. I think that it has very little effect. Ben carsons support had gotten pretty low. If you look at it, maybe it boosts ted cruz a little bit because of the evangelical chris chain nature of a lot of ben carsons support. I think its not really significant factor. What you did have today were wealthy contributors to the Republican Party who are unhappy with the idea of a trump candidacy seeing if they can do something to stop him and i think that is not likely to have much more effect than ben carson pulling out. These big donors have not had the kind of effect this year that youve had in years past. Super pacs that got so much attention early on didnt save jeb bush at all in his candidacy. So seems like a candidate like donald trump who has gotten where he is by attracting Republican Voters to primaries and caucuses is not going to be undone by contributors decideing theyre not happy with him. Woodruff reid, what are the Republican Voters saying about why they are supporting donald trump, if they, are and if theyre not, why not . Well, again, there is this sort of division as on the democratic side. The diinvestigation on the republican side, though, is between those who want an eelectriccable candidate, mitt romney marco rubio, excuse me, freudian slip marco rubio tends to win those candidates and do much better among them. On the other hand, there are voters who want change and want somebody to tell it like it is. Thats the single biggest segment voting for donald trump. A lot of voters feel like they havent gotten the straight truth from politicians, not only politicians at large but republican politicians. A huge percentage of the republican electorate doesnt trust their own politicians. Theyre trump voters. Woodruff how does one account, though, for the just surprisingly high turnout among republicans . If youre donald trump maybe you dont think its so surprising, but hes bringing more people into the voting booth. One, we had this recordsize field, so youve had a lot of candidates trying to get their voters to the polls, thats had one effect. But i think donald trump is bringing new and different people to the Republican Party and if hes the nominee, he will redefine at least to some extent what it means to be republican, what the Republican Party stands for, because these are voters who are not necessarily free traders or for muscular national defense, these are people focused on the economy at home, worried about their own futures and have an approach to politics that is different from the old Republican Party. Woodruff and these new voters, i think, reid wilson, make it harder for those who are trying to come up with a scenario to get rid of donald trump. But just quickly, lets look at the delegates on the republican side, you need 1237 to win the nomination. Trump has 319. Scruze at 226. So its a cruz is at 226. So its a lead but not an overwhelming lead if you look at the numbers. Its not but because of the proportional rules under which the calendar is operating, it is harder and harder as the calendar goes on for somebody who make up even the smallest gap. The big moments left in this campaign will come on march 15 when, under Republican Party rules, states can apart delegates on a winner take all basis, the two big prizes that day ohio and florida, both home state candidates in the race, john kasich, the governor of ohio, marco rubio the senator from florida. The donald trump wins those states and hes ahead in both, this race is pretty much over. Woodruff it gets more and more fascinating every day. Reid wilson, susan ifill over or not, the battle within the g. O. P. Is threatening to split the party in two. We get views from the protrump and the stoptrump wings of the party. Kansas secretary of state kris kobach endorsed trump this week; and strategist Henry Barbour is mississippis Republican National committeeman. He is backing marco rubio. Gentlemen, thank you for joining us. So starting with you, Henry Barbour, what is Donald Trumps success, his electoral successes in the past few weeks, what is it doing to or for the party . Well, you know, i think that remains to be seen what donald trump is doing to the party. You know, were still very early in this process. Youve got to get 1237 delegates to win. Weve only allocated some 728 delegates to this point. For many trum for mr. Trump t 1237, he has a long ways to get there. Its not inevitable donald trump will be the candidate. We have 1100 delegates to be awarded in march and april, and there is no way that mr. Trump is going to be able to get there at the pace that hes been going. He won 42 of the delegates yesterday, that would put him at about 750 delegates attend of april. My point is, gwen, we have a long ways to go in this process and a majority of republicans, about twothirds, are voting for somebody other than mr. Trump. Ifill but is this about delegate nose counting or a rejection from so many republicans of the establishment, of the way the Republican Party has always been structured . Well, look, the voters are going to decide in the republican primaries and caucuses around the country who they want to be our nominee, whether thats donald trump or marco rubio who is a candidate who i think cou