And start over. If we do that, theres no way that that cell could go on to become cancer, and that was an ahha moment for us in the lab. Woodruff all that and more on tonights pbs newshour. Major funding for the pbs newshour has been provided by moving our economy for 160 years. Bnsf, the engine that connects us. Lincoln financial committed to helping you take charge of your financial future. And the william and flora hewlett foundation, helping people build immeasurably better lives. And with the ongoing support of these institutions and individuals. This program was made possible by the corporation for public broadcasting. And by contributions to your pbs station from viewers like you. Thank you. Woodruff confirmation today that the u. S. And russia have agreed on at least a pause in the syrian war. The formal announcement came from washington and moscow, but it left unclear just how extensive the ceasefire might be. Meanwhile syrias president Bashar Alassad called a parliamentary election for april 13. Well have a full report later in the program. Ifill in the days other news, authorities in michigan say the man accused in the kalamazoo killings has admitted he did it. Jason dalton faced a judge via video link from jail today. He was denied bail, and did not enter a plea. Police say dalton killed six people at random in three separate locations saturday night around kalamazoo. The local prosecutor said today hes acknowledged his role, but given no reason. Ive described this previously as intentional, as deliberate, as cold. This was not a, just a, momentary lapse. This was not just a crime, there is nothing that provoked this. There is video tapes of these incidences, he walked up on these people and he shot them. Ifill dalton is a driver for the Ridesharing Service uber. Investigators are checking reports that he picked up passengers between the attacks. Woodruff the Obama Administration today defended its handling of a north korean call for direct talks between the two countries. The wall street journal had reported u. S. Officials agreed to talks, without first demanding the north give up its nuclear program. The white house says it insisted the Nuclear Issue be part of any talks, and it says thats consistent with longstanding u. S. Policy. The north refused, and days later, carried out a nuclear test. Ifill days of violent protests in northern india may finally be coming to an end. The government agreed on concessions late today. The unrest in Haryana State has killed at least 19 people and cut off water to new delhi, as Jonathan Miller of independent Television News reports. Reporter the angry people in haryana have taken the bull by the horns. Thousands are protesting against a lack of prospects in a fragile new world where many fall through the cracks. Paramilitary forces were ordered to shoot looters and rioters on site, and they did. Tonight, more than 10 Million People in delhi have no water to drink or wash if because the protesters sabotaged the munak canal which provides the capital with most of its water supply. The protesters belong to the jat farming caste of whom there are 18 million across north india. 8 million in haryana, the state northwest of delhi. They want more government jobs and places in state education institutions, half of which are ring fens for what the Indian Government calls other backward classes traditionally more disadvantaged than gats. The generation of the Jat Community are in danger of losing out. We are communing hope for the younger generation. The government should make us part of the system. Reporter after days of negotiations, Jat Community leaders have it seems a forced capitulation. H the state minister promised to include gats in the state system and the federal interior minister ordered a Highlevel Committee be set up to address the jats grievous. Ifill the water ifill the Water Service is now expected to resume tomorrow. But it could take days to remove vehicles left blocking highways, and to restore rail service. Woodruff in uganda, International Observers were openly critical after officials announced the longtime president has been reelected. They said Yoweri Museveni took more than 60 of vote. But european monitors said he won through intimidation. The opposition charged fraud, and today, police hustled the main challenger into a van and took him away. Hes been arrested four times in eight days. Ifill fiji faced a huge cleanup today after Tropical Cyclone winston blasted the Pacific Island nation over the weekend. The storm struck with winds of up to 200mph late saturday. At least 21 people were killed. Today, people picked through whats left of ruined villages, and aid agencies warned of a possible health crisis. Theyre worried about lowlying areas where crops are destroyed and Water Supplies cut off. Woodruff back in this country, u. S. Senator Claire Mccaskill has announced she has Breast Cancer and will take a threeweek leave of absence. The missouri democrat says in a blog post that shell be taking treatment in st. Louis. She says, its a little scary, but her prognosis is good. Ifill and, wall street started the week on a high note, helped by an upturn in oil prices. The Dow Jones Industrial average gained 228 points to close at 16,620. The nasdaq rose 66 points, and the s p 500 added 27. Woodruff still to come on the newshour ted cruz and marco rubio fight to become Donald Trumps biggest threat. Another fragile deal for a ceasefire in syria. The Supreme Courts first session without Justice Scalia, and much more. Ifill with one more contest down and one less opponent to battle, the republican president ial candidates spent the day scrambling for the next round of votes. Meanwhile, Hillary Clinton expanded her lead over Bernie Sanders. With jeb bush now out of the race, and trump with another solid victory in hand, republicans moved to consolidate. We won with everything we won with women i love the women we won with women. cheers and applause we won with men id rather win with women, to be honest. We won with everything. Tall people, short people, fat people, skinny people just won the field is narrower now, but you still have names to pick from, and maybe you like a couple of people in this race and you try to decide between us. So im not here to bad mouth anybody else. Coming out of New Hampshire for the first time, my voice is being heard. And, you know, for that whole long period of time, we couldnt get anybody in the press to pay attention. Now theyre finally beginning to hear, and now this morning, here in virginia, we have about a thousand people that have come to hear a voice of experience, accomplishment ifill then today rubio locked horns ifill and today, rubio locked horns with ted cruz after Cruz Communications director erroneously accused rubio of criticizing the bible. The cruz aide, rick tyler, was fired. So the fight, for money, for endorsements and for credibility, is on. And we turn to politics monday with tamara keith of npr and amy walter of the cook political report. As i say every week, where to begin . Lets talk about the republicans, amy, especially what looks like a threeman rails. This saturday definitely consolidated the field in a way that we were expecting to see it happen after New Hampshire. It did not. But with jeb bush dropping out and carson not getting much vote, john kasich is still in the race, and thinks he will be able to pick up momentum. Ifill when he gets heard, sometimes its for his stumbles. And the reality is there is just not a lot of support there for john kasich. It really is marco rubio, now, who is getting the socalled establishment lane to himself. Every minute, it seems, were getting another update of another governor, senator, member of congress endoorings marco rubio. The question is did they wait too late to consolidate to stop donald trump. Ifill my email box like yours has been full of endorsements all day coming from establishment, senators, members of congress for marco rubio, but i wonder whether the establishment lane exists in an Election Year when donald trump does so well . We inskeep wondering whether the establishment lane really exists. I think if it were anyone else at the top of this field who had won New Hampshire and south carolina, we wouldnt even be having a discussion about whos going to overtake him. Ifill right. But its donald trump and the discussion continues because there are a rot of people in the Republican Party and in the media and everywhere else were, like, really . This is going to happen . But he is, at the moment, very much the frontrunner. Hes running a very unconventional campaign. Were now getting into a part of the race where it becomes more of a National Campaign than a statebystate, handbyhand race and hes been running that kind of campaign all along. I would argue if any other candidate had negatives as high as donald trump, which are among 50 among his voters, he is the most polarizing candidate in the field, now that jeb bush is gone. There is still a lot of angst by republicans having him at the top. Ifill the dust between ted cruz and marco rubio, who did that help . Donald trump, because he gets to stand by while they fight each other. And he tweeted about it. Said thank you for doing that. If you look at the money spent on attack ads, the lions share has been to attack marco rubio. Very little has been spent to go after donald trump, at least in the paid media. We site on the debate stage but not a concerted effort. Ifill if there were . Had to write this down, but i think there are three rs going on with the republicans at large. Resignation, reluctance, rationalization. All of that is theyre in some ways resigned to well maybe trump can win because seems like we cant figure out a way to beat him, a reluctance to challenge him. Not a lot of money being spent going after him especially by outside groups and rationalization, this idea that maybe trump could be a general election candidate, after all, Hillary Clinton is vulnerable and could be indicted and, look, hes bringing out all the new voters. Theyre forgetting a general election looks a lot different than a primary. Ifill jeb bush. What happened . We talked about how he was clearly ahead a year ago, he raised tons of money, yet completely out of the race. I think he said it best, which is he heard the voters and the voters told him they just didnt want what he was selling, and i think what he was selling is a brand of establishment politics. He is the insiders insider. He had all of that money, and voters are attracted to a guy who says he cant be bought. Ifill speaking of someone who says he cant be bought, lets talk about Bernie Sanders who did not have a good weekend and is trying to come up with a strategy that looks like more about delegate picking than anything else. The challenge for Bernie Sanders is that the delegate system upthat the democrats have is actually incredibly helpful for underdogs and its supposed to make it harder for somebody like Hillary Clinton, an establishment candidate, to build up a big lead because delegates are awarded proportionately. You can win a state by a million votes, you still only get a certain number of delegates. The challenge for Bernie Sanders is that he hasnt done well enough in the states he should be doing well in, that hes not building a delegate lead. So the math is going to start to get really difficult for him because, if he keeps losing states that look like nevada, south carolina, a lot of these southern states, he cant just make it up by running the table in some other states. Ifill in fact, when he talks about running the table in states like minnesota, colorado, vermont, whey says, i have a shot there. Lets talk ability Hillary Clinton. Shes leapfrogged into texas even though this week is south carolina. She flew directly from nevada to texas. Texas is the biggest delegate prize on supertuesday and shes also playing a delegate game and she wants to maximize the delegates where she can get them in places like texas. She expects to do very well in south carolina. She has a strong lead among africanamericans, and the entrance polls in nevada are very good news for her on that front because she absolutely dominated among africanamericans. The story isnt quite as clear with latino voters. Seems as though she and Bernie Sanders split latino voters. Ifill bill clinton has spent a lot of time in texas over the years so the groundwork has been laid there. Absolutely. Ifill Bernie Sanders, did he ever get the young voter turnout he was counting on . Thats the big issue. Bernie sanders talks about building a revolution, and the revolution is smaller than the revolution that barack obama built. The voter turnout in iowa and New Hampshire and now in nevada is not nearly as high as it was in 2008. But in 2008, you had barack obama versus Hillary Clinton. I mean, its historic, its a fight for the ages. This time around, Bernie Sanders has huge enthusiasm but republicans are turning out more voters than democrats and that has to be a worry for democrats heading into the general election. If you dig further into the turnout numbers, you see people under the age of 30 are a smaller percent than they were in 2008 and people who are over the age of 65 are a bigger percent than they were in 2008. She does much better with older voters, he does much better with younger voters. Becomes a wash. Ifill you see the path. Absolutely. My walter, cook political report, tamara keith, n. P. R. , thank you. Youre woodruff syrias civil war has ground on for almost five years, but this day saw a diplomatic step that could begin the process of ending a conflict thats killed 250,000 people and displaced millions more. Chief Foreign Affairs correspondent Margaret Warner begins our coverage. Warner Syrian Government forces and rebel groups battled furiously through the weekend. But some of the shooting is supposed to stop this saturday. Official word came after president obama spoke to russian president Vladimir Putin by phone. White house spokesman josh earnest. It will require all of the parties who signed onto this document to follow through on the commitments that they have made. The whole world can see in writing what everyone has committed to, and its time for the signatories to step up and for the bloodshed to come to an end. Warner and from moscow, putin called it a real step that can stop the bloodshed. Secretary of state john kerry had initially announced a provisional agreement yesterday, after longdistance discussions with Russian Foreign minister sergei lavrov. The plan does allow for continuing u. S. And russian air strikes against the Islamic State group, Jabhat Alnusra and other terrorist organizations designated by the u. N. Security council. That last phrase will be key, since the russians regard nearly all groups fighting the Syrian Government as terrorists. Its also unclear if the various fighting factions will actually go along with the ceasefire. Still, u. N. Officials expressed cautious optimism. It is a longawaited signal of hope to the Syrian People that after five years of conflict there may be an end to their suffering in sight. Much work now lies ahead to ensure its implementation, and warner theres also hope that a ceasefire will allow for the quick relaunch of peace talks between the government and opposition groups. But for now, there is no respite Islamic State bombings in homs and a damascus suburb yesterday killed 130 people. Woodruff and Margaret Warner joins me now. Woodruff margaret, what did it take to get the deal . U. S. Officials believes two things. One, Vladimir Putin decided he got most of what he wanted on the ground. He shored up assad enough. The Assad Military can handle things. Theyve taken back military from i. S. I. S. And the moderate opposition and he doesnt want to get sucked into a quagmire. Epitomized in the phone call is putin wanted to be seen as a partner with the United States in resolving the conflict in syria. He wasnt even a player last september before he sent in troops. So not bad work in five months he is now cochairing this group with president obama. Woodruff how confident, having said that, is the United States that this is actually going to work . Judy, i have to say one official said to me no ones doing high fives around here and another one said after ukraine we dont necessarily believe anything. But the ke