Hour. Well carry it live. We want to welcome our viewers in the United States and around the world. Im wolf blitzer, youre in the situation room. Tonight, donald trump is wrapping up whats arguably been the worst week of his president ial campaign and its not clear if next week will be any better as he heads into tuesdays wisconsin primary trailing ted cruz by ten points in a new poll. Trumps opponents are ratcheting up their claims that hes unprepared to be commander in chief, citing his controversial remarks on abortion, his provocative Foreign Policy views, his verbal attacks and more. A day after trump met with Republican National committee leaders, there are serious doubts about his promise to try to unify the party, as the likelihood of a contested convention looms. Ill ask the rnc chief strategist and Communications Director sean spicer, hes standing by live. Well discuss with him. And our correspondents, analysts, theyre also standing by as we cover the days top stories. Up first, cnns sunlen rfaty is joining us now from wisconsin. Sunlen, voters there will have a say on whether trump bounces back. Whats the latest . Reporter thats right, wolf. Donald trump is planning to head to wisconsin tomorrow ahead of that very key primary for him on tuesday night here in wisconsin where he now faces this big question, what will the effects of this very rough week on him be and will it lead to any lasting damage. Do we love wisconsin, right . Do we love it. Reporter donald trump is facing a pivotal moment. Wisconsin is very important. Whos going to vote for trump on april 5th . Reporter tuesdays wisconsin primary now a big test, as the gop frontrunner tries to rebound from the toughest week of his campaign. Its a very serious problem. Reporter trump is attempting to clean up his controversial comments earlier this week, when asked if women should be punished for having an abortion if it became illegal. The answer is that there has to be some form of punishment. Reporter but he then reversed his position and now a rare admission from the billionaire. It could be that i misspoke but this was a long, convoluted subject. Reporter trump is not backing down from another firestorm he sparked this week, standing by his refusal to rule out using Nuclear Weapons in europe. Europe is a big place. The last person to use nuclear would be donald trump. Thats the way i feel. I think it is a horrible thing. The thought of it is horrible. But i dont want to take anything off the table. Reporter trumps rivals are not letting up in their attacks. The problem for him with town halls is he actually has to answer questions in a specific way. Reporter that backlash comes as trump aims to mend fences with the Republican Party, sitting down thursday with officials at the rnc, including chairman Reince Priebus. We talked about unity and working together and making sure when we go to cleveland and we come out of cleveland that were working in the same direction. Reporter a source familiar with the meeting tells cnn that priebus told trump that his disparaging comments about the rnc made it difficult with donors and activists whose help hell need if he becomes the nominee. Actually a terrific meeting, i think. And its really a unity meeting. Reporter even as he talks about unity, trump isnt backing down from the campaign fight, releasing a new Instagram Video today targeting ted cruz. I think hes been just as wrong as obama if not worse. Reporter while ted cruz is seen on the offensive against trump, dubbing his rival a Reality Tv Show candidate. Donald trump is the Kim Kardashian president ial candidate. He sits on twitter and makes a lot of noise, but he has no solutions to fixing the problem. Reporter that as cruz becomes more of a target for john kasich, who has ratcheted up his attacks on the texas senator. The problem with senator cruz is he has no record. His record is shutting down the government and making everybody he works with upset. Reporter and as donald trump continues to insist that he will unite the Republican Party, a poll out shows just how much of an uphill climb that will potentially be for him. Only 38 of Republican Voters say that they will unite solidly behind donald trump. Wolf. Sunlen, thanks very much. Sunlen serfaty reporting from wisconsin. Joining us now the ren National Committees chief strategist and Communications Director sean spicer. Sean, thanks very much for joining us. I know there was a major meeting yesterday. Donald trump met with your boss, Reince Priebus, leaders of the rnc. How did it go . Well, first id like to say that the chairman speaks to all the candidates in the campaigns on a fairly regular basis, so i know this was big news in washington, but on a weekly, sometimes daily basis, hes speaking to most of these campaigns. First that. Second, it was a great meeting. I think that they had an opportunity to talk about the state of the race, delegate math, where the race is going, and just share some thoughts on where things are heading from now. And on planning frankly. So hes had similar meetings with ted cruz, with john kasich at rnc headquarters here in washington like he had yesterday with donald trump . Well, i mean he emails and calls them. So, no, if you want to talk about exactly where it was, you know, weve but hes met with senator cruz, hes met with governor kasich. So hes in Constant Contact. Thisappens to be they mentioned they were going to be in town and we asked them to swing by. So i dont think this is that big of a deal. Hes in Constant Contact with all three of the remaining candidates. Trump was very pleased with the meeting, you heard what he said and he also tweeted this, just had a very nice meeting with Reince Priebus and the gop. Looking forward to bringing the party together, and it will happen. Will it happen . I think so. Absolutely. Every one of the candidates needs to do what they have to right now. Theyre focused on winning the 1237 necessary delegates to become our nominee. What unites all of them, frankly, is the fact that when we come out of cleveland, we need to come out as a united party and one thing that everyone agrees on, no matter where you are in this party, is that Hillary Clinton is not an option thats acceptable, so we will get together in cleveland, we will come out unified as a party and we will go on and win in november. But im absolutely confident of that. Did they discuss the possibility at that meeting you had yesterday of a contested convention developing in cleveland in july . I didnt i dont think it necessarily came up that way. There was just an overall of where the delegates were now, what the math looked like Going Forward. So im not going to get into specifics, but it was much more of a general state of the race, where things are headed. I know the three remaining republican president ial candidates in their own respective ways, they have all walked away from that socalled loyalty pledge. I know the rnc wanted them to sign that pledge promising they would support whoever emerged as the republican nominee, not run as a third Party Candidate. They have all walked away from that. How disappointed are you about that . Well, look, i think all of them do recognize that the role the party plays is extremely important to our victory in november. I think all of them understand that unity is important. So i know that theyre saying what they have to say at this point. Were in a primary, its definitely competitive. Everyone understands whats at stake. Were in a very, very key part of this cycle and i think theyre saying whatever they have to say to make sure that their supporters, you know, stick with them, that they build support. Look, wolf, i know the discussions on our side but as everyone watching and everyone in d. C. Knows, the big rumor going around in d. C. Is when Hillary Clinton, if she gets indicted, theres a plan afoot to try to put Vice President biden in and how thats going to play. I think the democrats, whats looming on their side, if this indictment plays out, which a lot of people are speculating it is, and this sort of underground movement to figure out how to put the Vice President in the place is going to cause equal catastrophic shifts in whats going to happen in the democratic party. Youre going to have sanders folks going nuts. So i think that like the story today may be whats happening in cleveland, but im confident that were going to put on a fantastic convention and come out unified. The looming story is whats going to happen on the other side. When you say when she gets indicted, how do you know shes going to be indicted . No, im sorry, i said if. I think thats theres a lot of what youre hearing a lot from democrats right now is whats the plan if she does. If. I think that theres a lot of concern based on the evidence thats been presented in public that thats a high possibility. So theres no question that when you talk to people that are involved in understanding the nuances of this, there is a lot of concern on their side of the aisle about what is that plan b going to be because they realize while Bernie Sanders has run a phenomenal campaign and this is not the race that she expected, they have got to figure out how theyre going to ensure that hes not their ultimate nominee. We know that the fbi by all accounts, they seem to be getting closer and closer to wrapping up that investigation into her email server. Lets see what happens over the next several weeks as they wrap up this investigation. Sean, as you know, theres a new poll output out by the Pew Research Center that found that just 38 of the party would, quote, unite solidly behind donald trump if he were the nominee, 56 say disagreements with the party would keep many republicans from supporting him. Thats much lower than the share of Republican Voters who expected the party to unite behind mitt romney, 65 , john mccain, 64 , at comparable points in the 2012, 2008 president ial campaigns. Does that worry you . No, i think its a very different cycle. Mitt romney was a presumpive nominee in early april and john mccain was in march in their respective cycles. This time youve got a lot of folks who are still very passionate about the remaining candidates, so its not that odd that they wouldnt obviously still align and want their individual to win and say im only going to be in it for my guy. Look, history has proven on both sides of the aisle that once you have a nominee, the party unites around them. Again, i know that thats the big talk right now but i feel very confident that our party is going to unite. Everyone understands whats at stake. Hillary clinton herself the other day made it very clear that the next president could decide several Supreme Court justices. I think everyone whos a republican and a conservative understands the tremendous impact that that would have on the next generation of americans. Sean spicer, im going to have you stand by. We have more to discuss. John king is also standing by and well have a closer look at the delegate count when we come back. Much more with sean spicer right after this. You both have a perfect driving record. Perfect. No tickets. No accidents. That is until one of you clips a food truck, ruining your perfect record. Yup. Now, you would think your Insurance Company would cut you some slack, right . No. Your insurance rates go through the roof. Your perfect record doesnt get you anything. Anything. 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So what happens . If donald trump can somehow win wisconsin, which is up on tuesday, take most or all of its delegates, boy, that would take the steam and the air out of the stop Trump Movement because they have spent so much time and money against him in that state. Two polls in a row show ted cruz with a tenpoint lead. Lets assume cruz wins big enough to take most or all of the wisconsin delegates. Some are awarded statewide, others by congressional district. If youre winning by ten points statewide, youve got a pretty good chance of taking most or all. Lets say under that scenario ted cruz gets a big win in wisconsin. Then we move to Donald Trumps home turf of new york. One poll out shows donald trump above 50 . If donald trump loses wisconsin but can bounce back in new york and be above 50 , then he wins them all, 95 delegates in the state of new york. If that happens, trump does not want to lose wisconsin but if he can rebound with a winnertakeall scenario in new york, what does that mean . It means hes well ahead and from this point on donald trump, if he wins them all in new york, even if he gets shut out of wisconsin, at this point he would need to win about 53 of the remaining dealts. Thats not easy but 53 to get to the magic number of 1237 is doable. Heres the other scenario. What if ted cruz does win wisconsin and gets most or all of the delegates and we get to new york and donald trump falls below 50 . Even if he wins, this has him winning at 40 something percent. Even if he comes in first, lets say john kasich came in second, ted cruz came in third. If that happens and donald trump gets only 40 something as opposed to all 95, at that point the stop trump forces will think we are almost guaranteed an open or contested convention. Why . If donald trump doesnt get them all there, if he gets shut out in wisconsin or only gets a couple and has to split the delegates in new york, at this point donald trump would need 60 if thats what happens in new york. If he has to split the delegates, then he needs six in ten of the remaining delegates. Doable, maybe, but much harder. So what happens in wisconsin and whether or not new york goes winnertakeall or gets split proportionally will dramatically change the math about the prospect of an open convention. If donald trump has to split those new york delegates, you can almost start to bet on an open convention. Wisconsin this coming tuesday, new york state two weeks later, critically important. John, dont go too far away, i want to bring back sean spicer of the Republican National committee. Sean, you saw that Washington Post abc news poll. It paints a pretty bad picture for the Republican Party. Trump right now, assuming hes the nominee, right now he has a 67 overall unfavorable rating. But take a look at the unfavorable rating he has among some key groups that republican strategists had hoped to improve on since the loss in 2012. White women, 68 unfavorable. White college grads, 74 unfavorable. Young people 18 to 34, 80 unfavorable. Hispanics, 85 unfavorable. Africanamericans 80 unfavorable. The Washington Post in reporting these numbers, they concluded with this ominous sentence that gop autopsy into what went wrong in 2012 has been torn to shreds and scattered to the winds from the top of trump tower. Is it as bad as all of that . Well, first of all, elections are won state by state in the electoral college. When you look at that, were doing very well, were very competitive. Again, looking at it my optically, it tells a different story. When you factor in Hillary Clinton, if shes the nominee, i think is nothing to write home about. Her negatives are unbelievable. If you look at where it is right now, Bernie Sanders is winning young women from Hillary Clinton who wants to be the champion of women. Theres a lot of groups that Hillary Clinton has major, major problems on. I think we at the rnc have spent our time reaching out, working with minority groups, building out coalitions in