Are together, they are right at home. Nightly news begins right now. Announcer from nbc news World Headquarters in new york, this is nbc nightly news with lester holt. Good evening. Bill oreilly who has dominated cable news ratings for years is out tonight. Fox news cutting ties with the fire brand commentator in the wake of a mounting trail of Sexual Harassment accusations and multi Million Dollar payouts. The Parent Company of fox news announced late today the 67yearold host of the the Oreilly Factor will not return to the network. A major conservative voice who even in the face of scandal and fleeing advertisers saw his auds yeience remain loyal but for a Network Already under fire, it all proved to be too much. Cynthia mcfadden is working the story tonight and has the latest. Caution, you are about to enter the no spin zone. Reporter the no spin zone is no more. Bill oreilly, the controversial face of fox news for 21 years was fired today by the network he helped put on the map. Following in the footsteps of his former boss and mentor, roger ailes who was also pushed out after an investigation of Sexual Harassment claims. Oreilly was at the vatican for a longplanned holiday with his family but a long shake with the pope francis didnt save him. 21st security fox saying after a thorough and careful review of the allegations, the company and bill oreilly have agreed that bill oreilly will not be returning to the fox news channel. Gabrielle sherman has reported about fox news for the past years. This is a new era, bill oreilly was the public face out network. Reporter the path to oreillys oust began two years ago with a New York Times investigation revealing five women including guests and employees of his show had been paid 13 million in settlements involving Sexual Harassment claims against him over the years. Fox hired an outside law firm to investigate. Reaction was swift. Over 50 of the networks advertisers fled the show. The fox news headquarters were picketed and leaflets like these were handed out. But the decision was complicated. Thanks for watching us tonight. His audience is incredibly loyal. During the Sexual Harassment scandal, ratings went up. Reporter inside fox news, staff was stunned to hear of oreillys firing as the networks bosses seemed to praise him as they pushed him out the door. By ratings standards bill oreilly is the most established tv personalities in the history of cable tv news. In fact, his success by any measure is indisputabl indisputable. Sources say the younger generations want to move fox news into a more modern era where these allegations arent tolerated. Reporter late today bill oreilly issued a statement saying he wishes only the best for fox while alleging he did nothing wrong. Quote, it is tremendously disheartening that we part ways due to completely unfounded claims. Lels lester . Cynthia, thank you. The ousting is bringing a renewed focus to Sexual Harassment in the workplace. The problem is hardly new but have americans attitudes towards this hotbutton issue changed in the decades . Reporter 26 years after anita hill ignited a conversation on sexual harharassment. I took that to mean would we have six. Reporter he is the second longest serving justice on the u. S. Supreme court. Donald trump said this. Grab them by the [ bleep ]. Reporter is president. Two weeks ago he defended his friend bill oreilly against Sexual Harassment claims and bill oreilly before vacation saw his ratings go up after the new accusations were revealed. What does this tell us about how america perceives the issue of sexual hard rassment in 2017 . Rich and famous men get away with a lot including Sexual Harassment and we have to stop that which we did in some respects. Reporter she is representing gretchen against roger ailes. Women can have hope now that we are weve had enough. Reporter a red book redder finds in 40 years little changed. In 1976 92 of women said Sexual Harassment was a problem. 92 said they received unwanted attention at work and today 80 say they experienced it on the job and more women say reporting would make it stop, its only 40 of them. While some may see todays events as another watershed moment for working women, Sexual Harassment persists. A workplace issue that doesnt seem to impact the ballot box or remote control. Ann thompson, nbc news, new york. We turn new to the shocking discovery inside a prison cell in massachusetts. Disgraced nfl star Aaron Hernandez a convicted killer, behind bars for life. His body found hanging from a bed sheet in what Officials Say is a suicide. Hernandez had just been acquitted in a second shooting incident and said to appeal the first case. As nbcs Miguel Almaguer reports, his lawyer is raising questions about his death. His body was discovered at 3 00 a. M. , prison Officials SayAaron Hernandez hanged himself with a bed sheet tied to a window in his maximum security cell. Guards believe hernandez tried to jam the cell door from the inside. The former patriots super star was serving a life sentence for murder but his attorneys were appealing alluding in a statement this was no suicide. Determined to find the truth, surrounding his untimely death. Its very hard for me to accept the fact he may have committed suicide. Not guilty. Reporter just five days ago, hernandez was acquitted in a deadly 2012 boston shooting wiping back tears as the victims family also wept. Guilty in the murder of firstdegree. Reporter hernandez had already been convicted in the 2013 execution of friend odin lloyd. The 27yearold seemed to have it all, a super bowl touchdown, a 40 million contract, a rising super star. Now in the wake of his death, his attorneys will ask his 2015 conviction be vacated and his record wiped clean. If someone dies before their appeals are exhausted, the case verreverts to the original status. That is the only reason Aaron Hernandez will be viewed as an innocent man. Reporter for hard fan dez, a raise to stardom matched by the disturbing and shocking desemi tonight, officials here at the prison say no suicide note was found inside his cell. This happens on a day when his former teammates were at the white house to celebrate their super bowl victory. Hernandez family hopes that his nfl pension now goes to his daughter. Lester . All right. Miguel almaguer, thank you. The Trump Administration appears to be raising the stea strikes with regard to iran tonight. Rex tillerson issued a stark warning that iran continues to represent a major global threat and he characterized the Iran Nuclear Deal struck during the last administration as failure as President Trump considers whether to break it. We get more from nbcs andrea mitchell. Reporter tonight secretary of state Rex Tillerson denouncing the obama administrations landmark nuclear deal and declaring that iran is a threat to the u. S. And the world. An unchecked iran has the potential to travel the same path as north korea. And take the world along with it. Reporter the new clear deal a longtime target of President Trump. The iran deal made by the Previous Administration is one of the worst deals i have ever witnessed and ive witnessed some beauties. Reporter one day after acknowledging that iran is compiling with the nuclear agreement, iran showed off military might. Tillerson accused iran of sponsoring terrorism in syria, iraq, lebanon and israel testing weapons in defiance of the un and arresting u. S. Citizens. They sanctioned iran for the abuses but with five other world powers decide the nuclear deal was worth doing. To tear up the iran deal in my view would mean that we would be giving iran a license to go and get a nuclear weapon. Reporter tonight, tillerson rejected that. If you break out of that deal, wont that send a signal to north korea and other rogue nations the u. S. Cant be trusted. We buy them off for a short period of time and someone has to deal with it later. We dont see thats a prudent way to deal with iran. Reporter but critics are warning tonight that the Trump Administrations harder line right now, a month before irans president ial elections could lead to iran having an even more radical regime. Lester . Andrea mitchell at the state department, thanks, andrea. Turning to the crisis on another international front, north korea. Secretary of Defense James Mattis today offering further explanation after it was revealed that a u. S. Aircraft carrier, which administration said was heading toward north korea was instead sailing in the opposite direction at the time. Nbc brk n. Reporter jim mattias overseas in cleanup mode, down playing the confusion about the location of the Aircraft Carrier uss carl vinson. We dont normally give out ship schedules in advance but i didnt want to play a game and say we were not changing a schedule and we had. Reporter confusion from public pronouncements that the ship was heading to north corkor reea as a show of force against kim jongun, when in fact it was heading towards australia, including comments from mattias. Shes on her way up there because thats where we thought it was most prudent to have her. Reporter even President Trump. We are sending an armada, very powerful. Reporter privately, pentagon Officials Saying they could have done a better job explaining to the white house when the uss vinson was heading to north korea. The white house on defense tonight. The president said we have an armada going towards the peninsula. Thats a fact. It is happening. Reporter the confusion unnerving for allies like south korea. Our allies see a situation like this and they have to question our fundamental organizational competence, as well as our intent in determinati determination. Reporter while the vinson is thousands of miles away, nbc news obtained access to a log that shows a dozen ship and submarine operating within range of north korea. Tonight pentagon Officials Saying in the future they will err on the side of caution and share less information about ship locations repeating the wartime maxim loose lips sink ships. Thank you. The u. S. Supreme court took on the separation of church and state. The question can states refuse to give money to churches even when its for something that doesnt involve worship. We get details from our justice correspondent pete williams. Reporter when Trinity Lutheran church in colombia, missouri, heard about a program for resurfacing pr playgrounds with rubber it applied for a state grant but the state said no because the constitution says no state money can be given in aid of any church. It made us feel like were secondclass citizens like the safetiy safety or our kids didnt matter as much as other kids. Reporter the state sued saying it was discriminating on religion. The church was not seeking favorable treatment, it was seeking equal treatment. Reporter laws like missouri choose not to subsidize them. If Trinity Lutheran wins this case, it will be a radical change from the way weve always treated religious institutions in this country. Reporter but majority on the court seem to side with the church including the newest justice discriminated right. How to give the grant money is how to give the Church Police and Fire Protection and including religious students in vaccination programs. Samuel asked about what synagogues protecting them zels against terror attacks. Gins burg was one of the few siding with the state saying the constitutions framers didnt want tax money used to maintain Church Buildings or property. Missouris governor says the state will no longer automatically turn down requests for money from churches, even so the Court Appears headed for a decision reducing the wall between church and state. Lester . Pete williams at the supreme court, thank you. Still ahead, saving big on health care, the growing trend many are turning to, its tax free with no use it or lose it limits. One family saving over 2 thous 2,000 a year. The big surprise tennis super sta needles. Essential for him, but maybe not for people with rheumatoid arthritis. Because there are options. Like an unjection™. Xeljanz xr. A once daily pill for adults with moderate to severe ra for whom methotrexate did not work well. Xeljanz xr can reduce pain, swelling and joint damage, even without methotrexate. Xeljanz xr can lower your ability to fight infections, including tuberculosis. Serious, sometimes fatal infections, lymphoma and other cancers have happened. Dont start xeljanz xr if you have an infection. Tears in the stomach or intestines, low blood cell counts and higher liver tests and cholesterol levels have happened. Your doctor should perform blood tests before you start and while taking xeljanz xr, and monitor certain liver tests. Tell your doctor if you were in a region where fungal infections are common and if you have had tb, hepatitis b or c, or are prone to infections. Needles. Fine for some. But for you, one pill a day may provide symptom relief. Ask your doctor about xeljanz xr. An unjection™. For my constipation, i switch laxatives. Ed stimulant laxatives make your body go by forcefully stimulating the nerves in your colon. Miralax is different. It works with the water in your body to hydrate and soften. Unblocking your system naturally. Miralax. Were back with a look at an increasingly popular way for many families to pay for health care. Health saviing accounts or hsas allow families to save dollars tax free and spend that money on health care they need. It could be a good choice for Many Americans but not everyone. Here is nbcs tom costello. Reporter for millions of americans, paying for Everyday Health care can take a toll on Family Budgets and stress levels. Thats when she had strep throat. Reporter in north carolina, katy and darrell key say they found the solution with the Health Savings account or hsa. We use the hsa card when we go to the doctor to pay for the visit checking out and its typically going over to target to pick up the prescription. Reporter each month a family puts pretax dollars into an hsa account, up to 6,750 a year. Employers may also contribute. Families use that money for any medical, dental or pharmacy expense. Hsas are meant for people with high deductible insurance plans that come with a lower monthly premium. What are you telling your clients about hsas . Im telling my clients to consider it. Lets plan for the higher deductible. Reporter in baltimore, Financial Planner lazetta likes hsas because they offer a way to save. If youre Pretty Healthy and you dont have a lot of medical visits, then thats money you dont have to spend. Youre just saving it. Reporter thats right. Unlike flexible spending accounts, you dont have to spend all the money in your hsa each year. Tax free savings. And once youre 65, you can use it for any expense. But there is a catch. Not every employer offers an hsa and some families may not have the extra cash to fund the account. In north carolina, the key family says their hsa is saving them about 170 a month. 170 is a big deal to us to save every month. 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