Nightly news with lester holt. Good evening, with great buildup the white house announced a massive tax cut plan today, one its calling the largest tax cut in history and one that could offer significant relief for a lot of americans, not only families and individuals, but businesses, too. The proposed cut of the Corporate Tax rate, the focus of a lot of attention tonight, because among the prime beneficia beneficiari beneficiaries, businesses like President Trumps, but as they say the devil is in the details which appear to be fairly sparse at this point. Nbc News National correspondent Peter Alexander tells us more. Reporter tonight from the president and his team on taxes an ambitious opening bid. We have a once in a Generation Opportunity to do something really big. Reporter the white house outlining a sweeping across the board tax overhaul. Under the trump plan, we will have a massive tax cut for businesses and massive tax reform. Reporter the headliner reducing the number of individual income tax brackets from seven to three, 10 , 25 , and 35 . The administration doubling the standard deduction for individuals and married couples, that would leave more money in peoples pockets and make filing taxes easier. We are going to eliminate on the personal side all Tax Deductions other than mortgage interest and charitable deductions. Reporter a boone for businesses, too, both large and small. Slashing the Corporate Tax rate to 15 , a cut that would also extend to personal real estate empires, like mr. Trumps. Special onetime tax to lure companies to reinvest money kept overseas back here at home, and the elimination of tax breaks for special interests. The goal stimulating the economy. The specifics still a mystery. We will be backing it with firm details. Were working on lots of details. Will let you know the specific tailless. Reporter a year ago candidate trump said he believes raising taxes on the wealthy. I do. Will the president end up paying more or less taxes as a result of this plan . I cant comment on thes tax situation since i dont have access to that. Reporter in 2005 the alternative minimum tax cost him 31 million, just one example how he could benefit. Its a great plan. Reporter President Trump tonight deflecting questions about warnings his plan would wloe a hole in the deficit. If you just say i can cut taxes without consequence, thats voodoo economics. This is a proposal thats incomplete at best. Reporter so how much would the president s tax plan cost . One leading nonpartisan fiscal watch dog Group Estimates the price tag could approach nearly 6 trillion over the next decade. Experts say there is no way this tax reform would be able to pay for itself or even come close. Peter alexander at the white house, thank you. Our business correspondette ali velshi joins us. Break this down. If these tax proposals become reality what, does it mean for the average taxpayer . Lester t means youll have more money in your bank account. The president wants americans to spend their tax savings going shopping. It increases ghands, jobs and stimulates economic growth, but since the recession, lester, americans have used any tax savings to pay down debt, instead of spending it on goods and services. So under this plan, working family also save on taxes, but the question is, will they spend the extra cash in a way that boosts the economy or will they choose to pay down debt . One of those things helps the economy, the other one just helps the family. Ali velshi tonight, thank you. Tonight there are signs of life for the republican plan to repeal and replace obamacare, thought dead just weeks ago. Conservative holdouts now saying theyre on board, after a controversial addition that could affect people with preexisting conditions. Nbcs kasie hunt has details. House will be in soured order. Reporter the Republican Health care bill making a sudden recovery today. Members of the conservative house free dam dom caucus who blocked President Trumps first attempt announcing theyve come to an agreement to support the American Health care act. The move giving House Speaker paul ryan a lifeline. I dont know where the final, final vote tally is, but we should be down hopefully in Single Digits of getting the votes to pass it. Reporter is this republicans best chance to repeal obamacare . I think it may be our only chance. Reporter conservatives are rallies around and amendment to allow states to opt out of covering essential Health Benefits like emergency room visits and Maternity Care and letting insurers charge people with preexisting conditions much more for their insurance. The goal is lowering premiums. Whatever we can do to get the premiums down but also make sure that the guarantee for people with preexisting conditions is met. Reporter and thats the risk. Winning over conservatives could cost moderate republican votes. Theyre concerned about spiking costs for people with preexisting conditions. And youve gone from yes to maybe . Yes, undecided. Reporter the question . When will the house vote to repeal obamacare . Well vote on it when we get the votes. Reporter but before President Trump can claim victory theres a tough road ahead in the senate. Getting a Health Care Bill through the house is a big win for the president in the end of his first 100 days but he has a lot to get a bill to his desk. That would be a political victory. Reporter house leaders are now trying to figure out just how many moderates cant accept this compromise. They want to seize the momentum, but theres that must pass spending bill they have to deal with this week to keep the government open past friday. Lester . Kasie hunt on capitol hill, thanks. Now to the threat from north korea, and something unusual that happened today at the white house. Special briefing for all United States senators behind closed doors under heavy security. We get details from nbc News White House correspondent kristen welker. Reporter the entire u. S. Senate heading to the white house in buses for an urgent and unprecedented briefing on the north korea threat. It was a sobering briefing. Reporter inside the room the defense secretary, secretary of state, director of national intelligence, and chairman of the joint chiefs saying they told senators north koreas pursuit of Nuclear Weapons is an Urgent National security threat, that they are pursuing diplomatic measures but are prepared to defend ourselves and our allies. One Senior Administration official says that includes military preparations. North korea is the most dangerous spot on the planet right now. Reporter it comes as the Top Commander in the pacific unveils a new warning tonight, that part of the u. S. Is already within striking distance of north koreas arsenal. Kim jongun is clearly in a position to threaten hawaii today, in my opinion. Reporter the fear, that north korea may develop Nuclear Missiles that can reach the west coast and tonight, dueling shows of force, new photos capture kim jongun smiling and watching live fire exercises while on the other side of the dmz, u. S. Fighter tanks held joint drills with south korea where the Missile Defense system will be operational within days. All options are on the table. We want to bring kim onjongun to his senses, not to his knees. Reporter the u. S. Has steadily ramped up its pressure on china to help resolve the crisis but north korea is showing no signs of backing down. The rhetoric were hearing today is roughly what weve heard in the past. Whats difference is that it is matched by an increasing capability. That is deeply disturbing. Reporter tonight, the Trump Administration is still focusing on diplomacy over military action, one option under organization, new sanctions against banks that do business with north korea. Lester . Kristen welker also at the white house tonight thank you. A free speech firestorm erupted at one of the countrys historically progressive universities at the center of it conservative pundit ann cuter who was scheduled to speak tomorrow at uc berkeley, but with her appearance canceled, amid fears of violent protests, some unlikely people are voicing their support for cuoulter tonight. Katie beck explains. Reporter its scenes like this at a pro trump rally just ten days ago that uc berkeley made hem cancel a speech by conservative firebrand ann coulter. The university forced to sacrifice its reputation as the cradle of the Free Speech Movement for safety, according to officials. Coulter insisted she would go regardless, until she lost the support of the conservative groups who invited her today. Its sickening she said on twitter web a radical thuggish institution like berkeley can so easily snuff out the cherished american right to free speech. Groups from the far left and right have clashed in the city several times in recent months. In february, berkeley canceled a speech of alt right pro vmow vac tour milo yunoopilas. This raises real concern. Its very important the government not buckle down and not allow people to silence speakers of any point of view. Reporter the cancellation has also made some who normally criticize coulter come to her defense, including senator Bernie Sanders who called the move sbe intellectual weakness. Katie beck, nbc news, los angeles. There is news tonight in the economy. The u. S. Housing market heating up more than it has in a decade before the great recession, devastated so many families. Realtors say there hasnt been a better time to be a seller in recent memory. So where does that leave buyers . Heres nbcs gabe gutierrez. Reporter for Christopher Hendricks hen ace wife this is getting ridiculous. Theyre hoping to buy their first home in Southern California but are facing fierce competition. This open house drew more than 100 potential buyers. Three years ago it sold for 600,000. Now it could go for more than 800,000. Its just what were used to growing up and the reality of what things cost here is completely different. Reporter in dallas, home prices have skyrocketed 35 above their high before the recession. Denver 36 . Seattle and portland, also seeing huge spikes since last year. So tell me about this house. Reporter realtors say entry level homes are in highest demand. Its been crazy. Every house goes for over list price. Theres usually ten hours. I tell my buyers we have to go in at least list price if not more aggressive. Reporter nationwide sales of new Single Family houses jumped 15 in the past year and half of homes sold in march were on the market for less than a month. Why . Not enough homes for sale and not enough new construction. The advice for buyers . Be ready with a sizeable downpayment. 10 will no longer cut it. And dont wait even 24 hours to put in that first offer. This spring buying season is a sellers market. In fact, for home buyers, its shaping up to be the worst spring buying season in decades. Reporter tonight, the hendricks family is rethinking their dream home. It seems like theres always going to be one large compromise on any house that we choose. Reporter and its tough to put a price on that. Gabe gutierrez, nbc news, los angeles. Now to the Important News that impacts everyone who uses the internet. The Trump Administration today announcing plans to roll back obama era Net Neutrality rules on equal access. It would allow Internet Service providers to pick and choose who gets fast service and who doesnt. Tom costello explains how it affects you. Reporter the best way to understand Net Neutrality is to think of the internet as a sort of congested superhighway, with most of the fast lanes taken up by big, fat trucks carrying content, like amazon, netflix and hulu. In 2015 the Obama Administration ruled those Big Companies cannot pay to dominate the fast lanes. Everyone from ecommerce giants to mom and pop websites must be treated equally. Without these regulations, one website could make sure that their content is reaching consumers faster than others, which again ultimately would result in less choice for the consumer. Reporter but the white house and the nations Internet Service providers or isps, like nbc Parent Company comcast, at t, verizon, cox, and others argue the rule stifles competition and creativity. Now the fcc is planning to roll back the rule. One of the things we dont want to put on the table is the fcc micromanaging the Business Practices of private companies. Reporter democrats object. And the Internet Association which represents many of the giants says scrapping Net Neutrality will only hurt consumers by allowing isps to throttle speed saying in a statement robust Net Neutrality rules benefit all players in the ecosystem by attracting more people to the web and increasing demand for internet connections. Tonight, the nations Internet Service providers say they will not interfere with block or throttle internet traffic, but many consumer advocates worry the biggest players could soon pay to speed through the fast lane, while many smaller players are stuck in the slow lane. Tom costello, nbc news, washington. Still ahead tonight, an eyeopening alert about a growing danger on the road thats now deadlier than drunk driving. Why police are struggling to keep up with the crisis. Also, up, up and away. 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A new report out today is revealing a growing and deadly problem on our nations roads. For the first time ever, drugs are now to blame for more traffic fatalities involving drivers than alcohol. The research comes as a wave of states across the country legalize marijuana in some form what experts warn to be a contributing factor to a problem on the rise. Nbc national correspondette Miguel Almaguer has details. Reporter its called drugged driving. And now more americans killed behind the wheel are testing positive for drugs than alcohol. According to a report released today, drugs were present in 43 of drivers killed in 2015. For the first time outpacing alcohol related deaths at 37 . Carol aiker says her son jacob was killed by a driver high on opioids. The physical pain you eventually heal from but the emotional pain, just never. Reporter the study by the governors Highway Safety association includes all categories of drugs, illegal and prescription. The numbers are a dramatic rise as 29 states and washington, d. C. , legalize some form of marijuana were you smoking in the car . Reporter unlike a beth leiser, tests for drunk drivers, police have no standard road side test to detect most drugs. How difficult is it to know if somebodys on a drug . It could be extremely difficult. If you dont know what youre looking for. With Police Across the country in need of training, the study says many drugged drivers are combining multiple substances. I can still hear the impact. Reporter mary gaston says her son, blake, was killed by a driver high on medical marijuana. Theres a perception that marijuana does not impair you like alcohol does, that you can smoke a couple joints, eat a couple brownies and go out and drive. Thats not true. You are impaired. Reporter tonight, the lives behind the numbers, the sobering truth about drugged driving. Miguel almaguer, nbc news, los angeles. 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Feed your inner kid announcer washington politicians are at it again with another disastrous Health Care Repeal bill that raises costs and cuts coverage for millions. And their latest plan is worse than ever. Affordable coverage for Maternity Care, cancer treatment, Substance Abuse treatment, and preexisting conditions would no longer be gauranteed. The plan threatens care for seniors and the disabled. And imposes a massive age tax for people over 50. Tell congressman costello dont repeal our health care. Tonight, hollywood is mourning the loss of acclaimed director jonathan demme. He won an oscar for silence of the lamz starring jodie foster and Anthony Hopkins and went on to direct tom hanks in philadelphia. It included the documentary stop making sense about the talking heads, considered one of the best concert films ever. John than demme passed away from complications of esophageal cancer. He was 73 years old. Sports fans you might have noticed your favorite tv or radio personalities missing next time you tune in to espn, the Sports Network began laying off roughly 100 employees today including some familiar faces, like long time nfl reporter ed warter, nfl analyst and former quarterback trent dilr and sportscenter anchor jay crawford. Espn has struggled in recent years as viewing habits continue to shift. Its still early in the baseball season but this may already be the play of the year. Leaping somersault to avoid the tag at home plate. Chris coughlan landing safe on home plate. His teammate said its like spotting a unicorn because you might never see it happen again. When we come back in the spotlight. Courts in use bros, wait your turn. What are you guys up to . People love progressives name your price tool so much its hard to get their attention. Thats where moves like this come in. [ grunts ] we give people options based on their budget with our name your price tool. 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She looked at me and matter of factually said i wish i could be a dancer but nobody wants me. At that moment it struck me. Reporter what started at five girls is now 100 girls and boys. After months of rehearsals a full costume, full house show. You aint nothing but a hound dog dancing is not just for girls. Its something for boys, too. We go together like reporter the kids have different physical challenges. We say everyone plieas, they just do it in their own way. Reporter learning moves and so much more. It shows me if you get it wrong the first time, not to give up. Reporter the physical benefits can be tremendous, but its the smiles that keep them coming back. Sometimes i dont even have words for how excited i am. This is their chance to shine, be on stage, be a star, do what their friends, their relatives, their sisters do. I just want to be a star reporter each has at least one volunteer, always with them, to help with the dances. For the parents, its a moment theyve dreamed of, too. You get to see your child on stage and perform, and be a balleri ballerina. Its amazing. Reporter a program making dreams come true. And making sure every last child takes a bow. Kristen dahlgren, nbc news, new york. And thats going to do it for us on a wednesday night. Im lester holt. For all of us at nbc news, thank you for watching and good night. The nfl draft has come home. City officials put this event on par with the pope and the dnc in philly. But why . Its kind of that moment where your dreams come true. For the pride of camden, new jersey, those dreams are a day away. Im going to kiss my mother and look my father in the eyes. We have the exclusive story with hassant redick as they explain why he could be a first round pick. And im jessica. Im here at temple university. Ill show what you it is like for an athlete on his pro day. All that and so much more on this nbc 10 draft preview on the parkway special. 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