primary. david shuster has more. >> we won in wisconsin. >> for democrat bernie sanders and ted cruz, it was the nomination that challenger had been hoping for. >> god bless the great state of wisconsin. [ cheering ] >> the outcome means trump's path to the nomination will be more difficult because his odds of winning enough delegates before the summer convention are now slim. trump did "z" not speak tuesday night. but cruz was banking on a contested convention celebrated in milwaukee loudly. >> three weeks ago the media said wisconsin was a perfect state. for donald trump. [ booing ] >> bernie sanders with seven victories in the las eight contests. >> change never takes place from the top on down. it always takes place from the bottom on up. >> sanders' victory was fueled by younger voters and white working democrats, many of them angry over free trade. wisconsin's manufacturing trade over the past few decades has been hollowed out. and he made sure they knew that he had blocked free trade deals that hillary clinton supported. over to close the lead. >> when we stand together there

nomination. david shuster begins our coverage. >> we won in wisconsin! [ cheers and applause ] >> reporter: for democrat bernie sanders and republican ted cruz it was the night both nomination challengers had been hoping for. >> god bless the great state of wisconsin. [ cheers and applause ] >> reporter: with nearly all of the wisconsin primary votes counted, cruz soundly defeated republican front runner donald trump. the outcome means trump's path to the nomination will be more difficult, because his odds of winning enough delegates before the summer convention are now slim. trump who campaigned hard in wisconsin did not speak tuesday night. but cruz was banking on a contested convention, celebrated in milwaukee, loudly. >> three weeks ago the media said, wisconsin was a perfect state for donald trump. [ booing ] >> but the hard-working men and women of wisconsin stood and campaigned tirelessly to make sure that tonight was a victory for every american. >> reporter: in the democratic race, bernie sanders's wisconsin win is now his seventh victory in the last eight contests. >> real change

for the future david shuster is in the result center with whom came out on top bernie sanders won the democratic primary. let's start with republicans. cruz is hoping to make the climb deeper for donald trump to get the delegates before the competition. before winning the state ofwing, et getting 18 del investigators, won two districts. he is getting at least 24 delegates. we think possible donald trump may end up with 3, maybe 6, maybe 2 of the congressional districts but what this number does. let's look at the entire public result in terms of delegates. what it means is for donald trump to get from 736 to the 1237 he needs to get the nominationefore the convention, that is much more difficult than it was going in to tonight. again, with ted cruz getting the 24, plus perhaps another -- maybe another 12 delegates tonight, it makes it very, very difficult for donald truck to get to the number. what does that mean if he gets less than 1237? then you start talking about a contested convention. in other words, the idea that on a first ballot, donald trump would not have the delegates

mixing it up more or maybe it has something to do with the calendar date. our david shuster has the story >> if we win here in new york, we are going to make it to the white house. >> reporter: as state an national polls continue to move towards bernie sanders, the frustration for delegate leader hillary clinton is now boiling over. >> they spend so much time telling you what they're against. >> reporter: an environmentalist activist pushing here, clinton erupted >> i have money from people [indistinct] i am so sick of the campaign lying about this. >> reporter: accused of lying, the sanders campaign responded by saying it is clinton who is lying. according to the officials, she has received money from oil industry employees. regardless tensions between the democrats have been intensifying for days. this week after donald trump criticized abortion rights, clinton said sanders' response was inadequate. at a sanders rally in new york, his longstanding support for women's rights and equality and added this >> shame on you hillary. sorry, hold on. let me watch my tone >> reporter: the c

sanders also remains undecided. david shuster, al jazeera. >>> the fallout over the panama paper scandals has claimed its first banking executive. the ceo resigned today. the news comes as the leaks show hundreds of clients of the law firm are based here in the u.s. we're learning more about the law firm and its connections to the u.s. hundreds of firms are based in wyoming and nevada. wyoming allows corporations to be formed without an individual named in records. >> i think they are not doing anything illegal, so i think that's an onus on the government to close down some of the loopholes if they don't believe this is something that should be happening. >> reporter: as far as the american clients so far more than 200 people in the u.s. have been identified. ben -- benjaminway was charged last may for several charges. a russian billionaire was sentenced to two years for tax evasion. this man was sentenced to 13 years in prison for mail fraud and tax evasion. in 2008, john michael of philadelphia was sentenced to eight years in prison, also for tax evasion, and jonathan caplin wa

lying. david shuster reports. >> if we win here in new york, we are going to make it to the white house. >> reporter: state and national polls continue to move towards bernie sanders. the frustration for hillary clinton is now boiling over. >> they spend so much time telling you what they're against >> reporter: pressed by an environmentalist about donations from the fossil fuel industry, clinton erupted. >> reporter: [indistinct] >> i am so sick of the sanders campaign lying about this >> reporter: accused of lying, the sanders campaign responded by saying it is clinton who is lying. while she has not received money directly from the oil industry, she has received donations from oil industry employees. regardless, tensions between the democrats have been intensifying for days. this week after days after donald trump had abortion comments. one noted sanders longstanding support for women's right and equality and added this >> shachl on you hillary. -- shame on you. sorry, hold on. let me watch my tone. >> reporter: the contempt and ridicule of the clinton campaign was a hit. polls indic

before the new york primaries. david shuster reports. >> reporter: outside yankee stadium hillary clinton threw a brush-back pitch after the democratic rival said she is not qualified to be president. >> i don't know why he's saying that. i will take bernie sanders over donald trump, or ted cruz any time. let's keep our eye on what is at stake in this election. >> it was clinton herself who seemed to ignite the brawl. she told politico that sanders' youngest supporters are documented, and on wednesday she referred to her rival's stumbles in an interview and refused to answer a key question. >> do you believe bernie sanders is qualified and ready to be president of the united states. >> i think the interviewed raised serious questions. >> did you say this guy is ready to be president of the united states. >> he hadn't done his homework, and he had been talking for more than a year. and do you think he is able to deliver on the things he is promising to all of the democratic voters. >> i will leave it to voters to decide who of us can do the job that the country needs. >> almost immediately

client's home turf senator held a rally after 24 hours. david shuster reports. >> in the last contest bernie sanders hopes to replicate in new york what poms suggest he has done in wisconsin. after a string of large rallies, the poll ahead of the primary is leading oint 479-45 -- clinton 49" to 45. >> when we stand together, there's nothing we cannot accomplish. >> gaining for clinton may not be so easy. >> you are meeting the next president of the united states. there's a large number of powerful allies. in a harlem coffee shop. at the famous theatre. the senator, and at a rally where she lives, clinton pledged that new york is hers. >> serving as your senator for eight years was one of the greatest honours of my life. >> in a sign of heightened tensions and important of the new york race, supporters protested and interrupted at the clinton event. >> i know the bernie people came to say that we are very sorry you're leaving. >> you want to vote democratic and are a department. you should vote bernie. >> in the republican contest donald trump appears to be losing a defend, anne coulte

start particiting in this campaign. >> thank you, david shuster in the bronx with bernie sanders. >>> world leaders are meeting in washington for the fourth and final nuclear summit of president obama's tenure in offers. the meeting's aimed at keeping nuclear materials out of the hands of groups like isil. most of the talk centered on north korea. >> ran d.l., it's much quieter here on this beautiful spring night in washington. behind me in the white house, president obama is hosting a dinner, kicking off that nuclear come milt with representatives, leaders and dell gases from more than 51 nations. as you said, the focus tom in particular will be about keeping nuclear materials out of the wrong hands. today in individual meetings with korea, japan and china, the president was talking about the vehiclessing problem of what to do about north korea. >> pyongyang has long been known for rhetoric but its latest propaganda offering was a video posted on a north korea website that threatened the united states with a nuclear attack and featured an animated version of an attack an washing

in both parties. david shuster, al jazeera. >> christina grier is an associate professor in fordham university. she's in the studio tonight. bernie and hillary come to new york and take the gloves off and go at it. why? >> this is the battle of brooklyn, and we'll see it next thursday evening when they meet head-t head-t head-to-head. the primary in new york is april 19th, so it's close to the finish line. people go negative because it works, so they try to get their message across. >> that's what you think bernie sanders is doing in this particular case, he's going negative on hillary because it works? >> it does work. as much as we poo-poo negative ads and sentiments, he wants to win it. if he doesn't win being he wants to embarrass her. he's riding a wave of seven of the last eight primary caucus wins are for bernie. so he wants to sort of -- this would be a huge feather in his cap, especially since hillary clinton was the senator from new york state. >> a number of days before the primary, what does he have to do during that time? >> well, he's trying to galvanize as many people

hoop is just strange. >> that is strange. >> okay. >> david shuster, final thoughts on indiana and donald trump. >> big news, bobby knight gives the donald trump endorsement and ted cruz with carly fiorina, the trump campaign made it abundantly clear that carly fiorina is associated with outsourcing. again, by making sure in the same news cycle people hearing a beloved favorite coach is endorsing donald trump. by the way, ted cruz is picking up an endorsement as somebody known in her business acumen for outsourcing jobs. fair or notah lot of jobs have been lost in indiana and people have too many concerns in indiana. the economy and basketball. donald trump went 2-0 yesterday. >> david shuster, good to see you. >> come back, david. >> like a big fight once in a bar. >> we never had a bar fight. >> 15 years ago. >> was it like in a bar or coffee shop? >> what are you talking about? >> i thought chairs were turning over. >> that was bobby knight throwing chairs. >> i remember it. >> i remember a lot of hugs. >> a lot of hugs. >> maybe someone else. josh green, mark halperin and howar