Next january, and, of course, so does hillary clinton. Big victories tonight on their new york home turf would help propel the frontrunners to their parties nominations. Clinton, who had a Comfortable Lead in late polls, is competing with Bernie Sanders for 247 democratic delegates tonight. She already has 74 of the 2,383 that she needs to clinch the nomination. Well start right there with nancy cordes. Reporter the clintons navigated a swarm of neighbors and reporters today okay, this is a private ballot. laughter reporter to vote at a Chappaqua School not far from their home. How does it feel to finally cast your own ballot . It feels great. And this has been a joy during the last two weeks to be here all over the state. Just going around new york. Reporter she has spent those two weeks on a frenetic tour of new yorks five boroughs, eight stops yesterday alone. Oh, thats good. I love it. Reporter reminding voters why they sent her to the senate twice. How you doing, dear . Reporter clintons trying to snap a sevenstate winning streak by a brooklynborn insurgent commanding huge crowds. I spent the first 18 years of my life in apartment 2c, right here. Reporter but independent voters who favor sanders cant vote in new yorks closed democratic primary. He ran into one of them today. But it shouldnt be this hard to vote. No, it shouldnt be. Today, three Million People in the state of new york who are independents have lost their right to vote. Reporter polls show sanders trailing in new york and in most of the five northeastern states that vote next tuesday. If independents could vote here in new york, do you think it would be a closer race . Youre assuming that its not going to be a closer race. I think were going to win this thing. Reporter the vote here in new york city was plagued today by reports of delays, misinformation, and 60,000 voters mysteriously dropped from the rolls in brooklyn. Tonight, scott, the citys comptroller is calling it inexplicable and says hes launching an audit. Pelley nancy cordes in manhattan this evening. Nancy, thank you. On the republican side, trump had a huge lead in the polls leading into tonights primary where 95 republican delegates are at stake. He has about 60 of the magic number so far, but he needs a big victory in new york to regain momentum that hes been losing to ted cruz. Heres Major Garrett. Easy decision. Reporter after checking in, donald trump made his way to cast a ballot for himself at a synagogue in midtown manhattan. You know, its a proud moment. Its a great moment. Reporter outside trump tower, he spoke briefly to reporters. I think the campaigns been doing well. Many, many senators, governors, theyre all gone. Reporter but Trumps Campaign is in the midst of a massive overhaul. New hire paul manafort, the campaigns convention strategist, is minimizing the influence of Campaign Manager corey lewandowski. And manafort has brought on g. O. P. Lawyer william mcginley, counsil to the rules committee at the 2012 republican convention. Its all an effort to beef up trumps ability to secure delegates, both now and at the july convention, after being outmaneuvered by ted cruz in several recent states. Trump has also approved a 20 million advertising and Communications Budget for primaries in may and june that will hold the key to whether he after new york, other outright. Northeastern states, including pennsylvania and maryland, will vote next week. Were going to win. Reporter trumps immediate goal win as many of new yorks 95 delegates as possible. Top strategists predict between 88 and 92. Cruz and john kasich are hoping to pick off enough delegates to blunt some of trumps momentum. Trump decided to shake up his campaign after losing the wisconsin primary to cruz. Scott, trumps children, eric and ivanka press for some of these changes, and manafort, without a single cautionary word from trump, has been expanding his power base ever since. Pelley Major Garrett at trump headquarters this evening. Major, thank you. Joining me now as always, john dickerson, our cbs news political director and anchor of face the nation. John, lets start with the democrats. What are you watching for tonight and in the coming days . If hillary clinton, if the polls are right and she does well, the question is how well will she do . Will she be able to say its mathematically impossible for Bernie Sanders to catch up with her and will that then sap some of the momentum from sanders forces in future contests. The question is what is Bernie Sanders going to do . He said hes going to fight it all way to the convention but how much fight will he take to her . The last couple of weeks have been pretty bitter and if he keeps up that kind of bitterness if it looks like shes got the delegates, then will there be a backlash against him, including a backlash that might include the president weighing in perhaps on hillarys side. Pelley trump expecting a big win tonight, how might he change coming out of this primary . Well, weve seen the reshuffling of everything on the past couple of weeks and thats a big deal when you change the top people, in a tight, close knit group, when you change the top you are changing everything. So he has a new message. There are fewer of these eruptions from him. Hes more disciplined. This is to rob the stop Trump Movement of any ammunition when they say he will be a chaos nominee. The question then will be tonight when the spotlight turns to him, how will he use the moment . What message will he send . Pelley john dickerson. Well be watching sunday on face the nation, john. Thanks very much. Well also have a primetime update on the primary after the polls close in new york at 9 00 eastern time, and cbs news will bring you continuing, primary coverage on our digital news service cbsn. Its available on all devices at cbsnews. Com. The officers who protect the white house from attack are severely understaffed, inadequately funded, and plagued by fatigue and low moral. Those are the conclusions that were released today, part of a federal investigation in how a fence jumper got into the white house with a knife in 2014. Heres jeff pegues. Reporter by the time Omar Gonzalez was captured on cell phone video, he had already scaled a 76 fence and compromised white house security. According to the 70page report by the department of homeland securitys inspector general, there were a series of failures radios carried by secret Service Personnel didnt work properly. The alarm system inside the command center was set too low and was not heard. And the alarm system inside the white house had been muted, a revelation personnel quoted in the report called shocking. It took gonzalez, who was armed with a knife, about 30 seconds to run across the lawn and reach the white house doors. He then knocked down an officer posted on the other side who could not lock the doors. In all, he eluded eight secret Service Members before being apprehended in the east room. The report says responding officers did not hear any Radio Communications about the fence jumper. One officer, who drew his weapon and took cover behind a pillar, was reacting to what he thought was a fight. Gonzalez was eventually subdued by two agents who had just come from escorting the president to his helicopter. Congressman Jason Chaffetz is chairman of the House Oversight committee. I mean, its really unacceptable that somebody wearing crocs, who already had a foot problem, could make it all the way in past security into the white house. Reporter the secret service is working to implement the reports recommendations. Scott, the i. G. Report did commend the secret service for not using deadly force to subdue gonzalez, who has been released from prison after serving 16 months. Pelley jeff pegues in washington, jeff, thank you. Today, the death toll from saturdays earthquake in ecuador rose to at least 480. But there are still 1,700 who are missing. David begnaud is in manta where families are praying for miracles. Reporter rescue workers have been scrambling since quake hit to find survivors, but time is running out. These are peruvian rescuers looking into a hotel. It was a threestory hotel that collapsed during the earthquake. Were told there were about 30 people inside, 12 people have been pulled out alive, and they just spotted three bodies inside that theyre trying to get to right now. For this nineyearold girl, it was all too much. Im very worried about my mom, she said. Her mother was injured by falling debris. It was a narrow escape. The port town of manta was among the hardest hit as saturdays earthquake cut a swath of devastation along ecuadors coast. And while the death count mounts, thousands are still missing. Rescue teams from all over the world have flown into help. Here, drawing a small group of locals out to watch. Its an uphill battle trying to save people trapped inside this flattened shopping center. This is a supermarket, yes . Yes. Reporter okay, and you removed three people who were alive from here today. You rescued them. Yes, in the morning. Reporter and is it true that someone said there may be 20 people alive, buried in the back of the building . Yes, that is true. Reporter and it looks like theyre removing a body right now. Yes, theyre still removing the bodies. Reporter this 16yearold girl showed us a picture of her sister, who is missing. Its my only sister, she said, my older sister, and we hope shes still alive. Local radio in the area just reported three aftershocks within a pretty short period of time here in the city of manta, and thats why people are sleeping outside at night. They are worried about more aftershocks bringing down more buildings. Tonight, rescue teams are still arriving, some from as far away as spain. Today, president obama called ecuadors president to express the condolences of the american people. Tonight, the u. S. Has a Disaster Assistance team on the ground here in ecuador, but, scott, with each passing day, the hope of finding people under the rubble who are still alive is starting to fade. Pelley David Begnaud with some of the people who have lost their homes. David, thank you. A resurgent taliban attacked afghanistans version of the secret Service Today in kabul. One man blew up a truck loaded with explosives and another opened fire. At least 28 people were killed, more than 300 wounded. Spring is the start of the annual fighting season, and the taliban have vowed largescale attacks. Tonight, president obama is flying to saudi arabia to meet with the new king at a time that the friendship between the u. S. And the kingdom is being tested. Margaret brennan is in riyadh. Reporter president obama left for saudi arabia hoping to ease tensions with the key u. S. Ally. Some are of his own making. He recently described the kingdom as free riders, too reliant on American Military might. And he said the saudis needed to share the neighborhood with longtime foe iran. The royal family is deeply skeptical of the u. S. Brokered nuclear deal with iran and has responded with a newly aggressive Foreign Policy including a Bombing Campaign against iranianbacked rebels in yemen. Also straining relations, a bill pending in congress that could make saudi arabia liable for damages related to the 9 11 attacks. The kingdom vehemently denies any involvement, though 15 of the 19 hijackers were saudi born. It threatened to sell off hundreds of billions of dollars in u. S. Assets if the bill pass. President obama told charlie rose that legislation is dangerous. If we open up the possibility that individuals in the United States can routinely start suing other governments, then we are also opening up the United States to being continually sued by individuals in other countries. Reporter today, Congressional Republicans also expressed skepticism about the bill and, scott, tomorrow, president obama will meet with king salman. Despite all of this tension, the two countries still need each other in this fight against isis. Pelley Margaret Brennan with the president in the kingdom tonight. Margaret, thank you. Turns out, all the victims in houstons flash flooding died in their own vehicles. And a Young Baltimore woman takes on the powers that be to save her neighborhood, when the cbs evening news continues from washington. Washington. Giving you more time for what matters most. team sing safelite repair, safelite replace. Dont let dust and allergies get and lifes beautiful moments. With flonase allergy relief, they wont. Most allergy pills only control one inflammatory substance. Flonase controls six. And six is greater than one. Flonase changes everything. Thats life. You diet. You exercise. And if you still need help lowering your blood sugar. This is jardiance. Along with diet and exercise. Jardiance works around the clock. To lower blood sugar in adults with type 2 diabetes. This can help you lower blood sugar and a1c. And although its not for weight loss or lowering systolic blood pressure, jardiance could help with both. Jardiance can cause serious side effects including dehydration. This may cause you to feel dizzy, faint, or lightheaded, or weak upon standing. 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Boats went out again today to rescue folks who were stranded. At least six people have drowned, all of them in their own vehicles. The video that we showed you last night of a man trying on swim to safety is a reminder of what can happen when you drive into a flood. Omar villafranca has more on this. Reporter today, emergency crews pumped out the murky floodwater from this houston toll road, looking for a sunken car and its driver. One of those killed in the floods was 49yearold sunita singh. Her car got stuck in this underpass. Her husband, rajiv, says she couldnt get out. Driving through the high water in the middle of the city and theres nothing that could be done . Its a terrible loss. Reporter this afternoon, houstons Fire Technical Rescue Team braved the swollen bayou to train in the kind of fastmoving water that can trap drivers. District fire chief David Swanson they underestimate the power of the water and their ability to get across the water. Reporter everybody thinks theyre going to be able to get over . They do, they do, and it can cost them their lives. Reporter nationwide, 112 people were killed last year when their vehicles got trapped in river or flash floods. In florida, which leads the nation in the number of car crash drownings, the Collier CountySheriffs Department drove a car into the water to show people how to survive being submerged. The first 3060 seconds are the most crucial, they say. First, undo the seat belts. Then, open or break the window. Get children out of the car as fast as possible. Starting with the oldest. Then adults should get out. Dude, youve got to get out of the car. Reporter its a lesson that houston driver learned firsthand on live tv. Come here, sir, sir. Come here. Reporter moments another another emergency crews drained this underpass behind me and found an s. U. V. Scott, the driver is the seventh person to drown in their car in this storm. Pelley Omar Villafranca in houston tonight. Omar, thank you. So, will the speaker of the house change his mind . Ryan versus colbert, next. Next. The possibility of a fle was almost always on my mind. Thinking about what to avoid, where to go. And how to deal with my uc. To me, that was normal. Until i talked to my doctor. She told me that humira helps people like me get uc under control and keep it under control when certain medications havent worked well enough. Humira can lower your ability to fight infections, including tuberculosis. Serious, sometimes fatal infections and cancers, including lymphoma, have happened; as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening Heart Failure. Before treatment, get tested for tb. Tell your doctor if youve been to areas where certain fungal infections are common, and if youve had tb, hepatitis b, are prone to infections, or have flulike symptoms or sores. Dont start humira if you have an infection. Raise your expectations. 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Dont take entresto with an ace inhibitor or aliskiren. If youve had angioedema while taking an ace or arb medicine, dont take entresto. The most serious side effects are angioedema, low blood pressure. Kidney problems, or high potassium in your blood. Tomorrow, tomorrow i love ya, tomorrow. Ask your heart doctor about entresto. And help make tomorrow possible. Youre only a day away with advil, youll ask what backache . What sore wrist . What headache . What bad shoulder . Advil makes pain a distant memory. Nothing works faster stronger or longer than advil its the worlds 1 choice. What pain . Advil. Pelley one of the nations Largest Health insurers said today it was pulling out of Obamacare Exchanges next year in all but a few states. United healthcare has had trouble attracting the younger customers who subsidize care for the older and sicker patients in 34 states. It expects to lose 650 million this year. Yesterday, atsede baysa of ethiopia won the boston marathon. Well, today she gave her trophy to bobbi gibb. It was 50 years ago today that gibb snuck into the mensonly race and became the first woman to finish it. Baysa called her an amazing woman. Gibb promised to return the trophy next year. Is House Speaker paul ryan serious about not running for president . Well, Steven Colbert pressed him for tonights late show. I have said i do not want, nor would i accept the republican nomination. Got it. So youre considering the nomination. No, no, im not. Okay, ill give you some time to mull this one over. laughter how about now . Still no. So thats a maybe . No, its a no. laughter like a nono . Or one of those no, i dont want to be speaker of the house but ill accept it if you just give it to me nos . Its a nono. Pelley you can see more of speaker ryan on the late show with Stephen Colbert right after your late local news here on cbs. Destiny watford wouldnt take no for an answer. Her story is next. 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John blackstone now on the power of destiny. applause reporter when 20yearold destiny watford won a Goldman Environmental Prize last night, it recognized an unlikely campaign she started as a High School Student to protect her baltimore neighborhood. We decided that it isnt the fate of our community or our planet to be a dumping ground. Reporter destiny grew up in curtis bay, a part of baltimore with Smokestack Industries and some of the worst air pollution in the country. She made it her mission to stop construction of a huge new industrial incinerator less than a mile from her high school. The plant had already been approved by both the city and state. How does a 17yearold girl decide shes going to go up against the mayor, the governor, multimilliondollar corporation . It was an act of survival because, like, this was our home. Reporter the incinerator would be capable of burning 4,000 tons of trash a day. Supporters called it a Renewable Energy plant because burning the waste would produce electricity, but thats not all it would produce. It was permitted to burn 240 pounds of mercury every year. It was permitted to release 1,000 pounds of lead. Reporter destiny who describes herself as a shy girl took her battle first to the Baltimore School board. She testified at the maryland State Capitol no community should be anothers dumping ground. Reporter she picked up a megaphone today is a day of justice. Were more likely to die from like, air pollution instead of, like, homicides. Reporter the pressure stalled the incinerator project, which has now lost its permit. The Goldman Environmental Prize is awarded to only one person from each continent. Destiny is this years winner from north america. She gets 175,000. I remember when i got the call, i thought it was a scam. Reporter last night proved to her it was no scam. She can do anything she wants with the money, but hopes to use it to help her neighborhood build new businesses that dont pollute. John blackstone, cbs news, san francisco. Pelley and thats the cbs evening news for tonight. With thanks to the Jones Day Law Firm for this perch on capitol hill, and for all of us at cbs news all around the world, good night. Captioning sponsored by cbs captioned by Media Access Group at wgbh access. Wgbh. Org to sky high rents. If it keeps going up im g to have to move the heated fight. Over howh the city can help. Struggling to survive in the bay areas biggest city. Relief for sky high rents. If they keep going up ill have to move. The fight over how much the city can help. New at 6 00, the calm before the smoke. You know, 420 man self explanatory. Police on high alert for the onslaught of 420 revelers. How the stoners are getting a head start. A fall cliff and now a rising house. A couples drastic plan to keep their dream home intact. The polls are closing in new york. Frontrunners fight for big win on their home turf. Good evening. It promises to be a heated debate. Renters fighting for protection from sky high rents in san jose. Kpix 5s devin fehely on how the city is promising to help those struggling to kept a roof over their heads. Devin. Reporter yeah, as you can see theres a standing room only crowd here at the San Jose City hall. Literally hundreds have signed up for their opportunity to discuss rent control and Affordable Housing here in the sillicon valley and the council is expecting a marathon session that could stretch well past midnight. Its really hard making ends meet. Reporter sarah has been forced to live with her son, mother and brother. The only way she can scrape together enough money to afford her 2,800 a month apartment in midtown san jose. If they keep going up im probably going to have to move to a different area. I feel like im getting kind of like pushed out of san jose and i dont want to be pushed out. Reporter the San Jose City council is considering sweeping changes to its rent control ordinance changes that would help renters like sarah but potentially hurt their landlords. If we dont have