Or could millions of americans see their Unemployment Benefits end in just two weeks . Plus the president now says wearing a mask is patriotic. Ambush shooting, a gunman opens fire at a federal judges home killing her son and wounding her husband. Tonight the suspect, a mens rights attorney and his connection to the judge. Breaking news, a new lawsuit accuses three fox news talent of Sexual Harassment. Tonight the details. And paying tribute to congressman and civil rights icon john lewis, how his words from decades ago still resonate today. This is the cbs evening news with norah odonnell, repoportg from the nations capitol. Odonnell good evening to our viewers in the west and thank you for joining us. We are going to begin with some breaking news. And for the first time in a while, it is hopeful news. Tonight researchers say one of the leading contenders for a Coronavirus Vaccine is showing real results. In the largest study thats been done so far the vaccine which is being developed by Oxford University and astrazeneca caused an immune response in hundreds of patients. Scientists say that is a strong indication it can stop people from getting the virus. Two other vaccines being developed in germany and china also appear to be showing promise. That hopeful news comes as the situation here in the u. S. Has gotten worse. Florida, the new epicenter of the crisis, notched a 6th straight day with more than 10,000 new infections. More than 50 hospitals there are out of icu beds and tonight floridas teachers are suing the state after the governor pushed again today to reopen schools there in the fall. Among the concerns, students spreading covid19. New research out tonight shows children as young as ten can give others the virus just as easily as adults and as we come on the air the number of new Coronavirus Infections is growing in 41 states as well as in washington d. C. There are now more than 3. 8 million confirmed infections in the u. S. And the virus has killed nearly 141,000 people nationwide. Theres a lot of reporting to get to tonight and our team of correspondents is covering it all. Cbs Charlie Dagata is going to lead off our coverage from oxford where researchers are optimistic. Good evening, charlie. Optimistic. Good even reporter norah, reason to be hopeful here in oxford tonight. One of the largest human trials in the world has proven two things, its safe and at this stage it works. It is important to note here it does not guarantee protection for everybody. That will take more research but the woman in charge of that research told us tonight she believes immunity should last for more than a year. Its rock solid evidence that proves why the World Health Organization calls the oxford vaccine the worlds most advanced candidate. A Peer Reviewed study in todays Lancet Medical Journal found that trials on more than a thousand people triggered a strong immune response, provided protection for at least two months, caused only a few mild side effects such as fatigue and months. Caused zero s headaches. Professor Sarah Gilbert heads up the team at oxford. Gilbert heads up the team at oxford. That the antibody response and tcell responses and those are two parts of the imm theres the antibody response tect agacell response and those are two parts of the immune system that ideally Work Together to protect against viral infections. Reporter antibodies and t cells are the special forces of the immune system. Antibodies detect a virus and neutralize it. Tcells help make antibodies but also act as assassins, attacking infected human cells, even retaining a memory of the virus, ready to mount a defense the next time they encounter the same pathogen. This seems like a big deal. No question about it. You see the real data, your shoulders come down and we are all getting a sigh of relief that were getting immune responses that we as scientists hoped for. Reporter the c. E. O. Of drug giant astrazeneca said today theyre on track to start rolling out millions of doses by the fall. One glimpse of hope that people can get back to living their lives instead of worrying about risking them. Charlie dagata, cbs news, oxford, england. Reporter im Manuel Bojorquez in florida where massive block parties like this orquez in broken up by Police Florida where massive bloc near orlando are fueling concerns over the states covid crisis. 53 of the states hospitals have reached icu capacity, eight of those in miami dade county, dr. Andrew pastewski works for the countys Largest Health system. Are you seeing any sense that things are even beginning to level off . Oh no. There is no sense that anything is slowing down. Every day there is a need for more patients who need beds. Reporter protestors interrupted Florida Governor ron desantis today amid the worsening crisis and the states plan to open schools five days a week. The states Largest Teachers Union is now suing, Karla Hernandez mats is head of the miami dade teachers union. It is ludicrous to think that we would take our children out of these protective bubbles we have created and kept them in for so long and expose them and use them as guinea pigs. Reporter in austin this weekend teachers protested a similar reopening plan. And in california where some want students on campus, all High School Sports this fall have been put on hold. That comes as a new study out of south korea shows that children between the ages of ten and 19 can spread the virus at the same rates as adults. 33 states now are reporting higher positive test rates than the recommended levels suggested by the World Health Organization to safely reopen. States like arizona, nevada and florida are among the highest. Today new york city entered phase four as the state reported just eight covid related deaths. But concerns are rising over scenes like this one outside a bar in queens. What theyre doing is stupid. And reckless. And it has to stop. Reporter dr. Pastewski knows firsthand the risk. He is a Covid Survivor himself and he has a blunt warning. We just start having trucks full of dead people or were going to get smart and were going to do what we can as americans to keep our parents and our grandparents alive. Reporter today is the 12th day since the fourth of july that florida has reported more than 10,000 new cases. There are new curfews in effect in parts of south florida tonight as well as fines for violating mask orders. And the bahamas has decided to close its borderers to visitors from covid hot spots including the united states. Norah . Odonnell manny bojorquez, thank you. Tonight the mystery deepens over why the first hispanic u. S. District court judge in new jersey was targeted at her home in north brunswick. Investigators believe a lawyer known for being active in antifeminist cases opened fire on judge esther salas family killing her 20 year old son and injuring her husband. Weve got more from cbss meg oliver. Reporter tonight investigators are working to piece together what motivated a man to pose as a fedex driver and ambush the new jersey home of federal judge esther salas. After an intense Manhunt Police say the suspect was roy den hollander, discovered dead in his car today dressed in a fedex uniform. Authorities say he had shot himself. They also found a package addressed to the judge. On sunday afternoon den hollander allegedly opened fire at her front door hitting her husband mark anderl killing their 20 year old son daniel. Marion costanza was their neighbor. I wanted people to know this was their only child, shes not going to have any children. Reporter den hollander was an attorney with a case currently before judge salas. Ladies nights are violating a fundamental right. Reporter the selfdescribed antifeminist even appeared on fox tv once opposing drink specials on ladys night saying theyre not fair to men. Just a gut punch of magnitude. Reporter family friend mayor mac womack said mark anderl loved talking about his son. He talked about him a lot . I got constant reports how hes doing. He was the biggest source of pride in marks life. Reporter judge salas oversaw a number of high profile cases in her court room that included cast members of the real housewives of new jersey, Deutsche Bank and jeffrey epstein. The judges husband remains in the hospital. Their son was a rising junior at Catholic University and wanted to follow in his parents footsteps and become a lawyer. Tonight the university is holding an online memorial in mes memory. Norah . Odonnell meg oliver, thank you. With expanded Unemployment Benefits set to expire next week, today President Trump met with Republican Leaders to plan another trillion dollar covid plan another trillion dolla weve got more now from cbss covid relief bill. Weve got more now weijia jiang. Reporter President Trump said coronavirus briefings are making a comeback in part because they were so popular. I was doing them and we had a lot of people watching, record numbers watching. Reporter but the president stopped holding them at the end of april as polls showed they were hurting him politically and after he received sharp criticism for asking this question about disinfectant. And is there a way we can do Something Like that. By injection, inside or or almost a cleaning. Reporter mr. Trump has also been accused of using the briefings to campaign, rallies have been limited because of the pandemic. We have had this big flareup in florida, texas, a couple of other places. Reporter and after months of downplaying the importance of face coverings. You can do it, you dont have to do it. Im choosing not to do it. Reporter President Trump tweeted this photo writing many people say that it is patriotic to wear face masks. There is nobody more patriotic than me. But hes only worn a mask once in public. Meanwhile another potential setback for the Republican National convention in jacksonville, florida. Today the sheriff expressed concern and worried the community would be at risk citing a rushed time frame and lack of resources to prepare. As President Trump and republican lawmakers hash out details for that next Financial Aid package they are expected to extend Unemployment Benefits to 25 million americans currently receiving 600 a week. But they want to slash that amount to 2400. Norah . Odonnell weijia jiang at the white house, thank you. Tonight cbs news has obtained an email showing President Trump is preparing to send federal officers to patrol the streets of chicago in response to growing gun violence. This follows fierce clashes in portland, oregon, between federal officers and protestors. Heres cbss carter evans. Reporter federal officers in portland on orders from the white house fired gas and rubber bullets as they faced off with protestors. The clashes escalated after video showed federal officers in fatigues pulling people off the streets with no explanation. And then over the weekend 53 year old christopher david, a Naval Academy graduate said he asked officers about their oath to protect the constitution. And got this response. And i figured okay, they can its me and they can hit me batons but they are probably not going to kill me, probably not going to shoot me. Reporter city officials and State Government is asking you to remove your federal officers. Why force the issue . Were not forcing any issue, were accomplishing our mission which is to protect the federal facilities. Reporter can you say once and for all that there is absolutely no political motivation behind this . Yes, absolutely. Look, this is us doing our job. Reporter that job could spread to other communities. Cbs news obtained a dhs memo that says the first city identified was chicago and we have been tasked to send 175 agents to assist, reporting middle of next week. Today the president characterized those cities. All run by liberal democrats. Reporter oregons attorney general has filed a lawsuit against several federal agencies accusing them of using unlawful tactics here and violating civil rights. You can see there are already some protestors in the park here. There plan to be many more here again tonight. Norah . Odonnell carter evans, thank you. Today members of the u. S. House paused for a moment of silence to honor the man known as the conscience of congress. It is part of an outpouring of praise for civil rights icon john lewis. Heres cbss michelle miller. Reporter the memorial of flowers steadily grew as people who knew john lewis, not just as steadily grew as people who knew an historic figure but one of them, paid their respects. What does he mean to you . Well, i lived through a lot of things that he went through. So it means a lot. Reporter and in his hometown of troy, alabama, his younger sister rosa tyner recalled her brothers final words. Rosahn said im at peace, im ready to go. Rise in a moment of silence. Reporter on capitol hill today where lewis spent more than 30 years, an emotional Speaker Nancy Pelosi lead a moment of silence with the house clerk stopping to compose herself. That the house has heard with profound sorrow at the death of the honorable john lewis. Reporter today a black drape was placed at the entrance door with letters of gratitude from colleagues. A fitting tribute to the man who lived a life of justice and service, from sitins to freedom rides, who was nearly beaten to death on the Edmund Pettus bridge in selma. John had a real moral courage. Reporter ambassador andrew young was a close friend to both john lewis and dr. King. John was really sort of martins spiritual son. He wrote martin a letter and martin was so impressed with the letter that he sent him a bus ticket from troy, alabama, to montgomery. Reporter funeral arrangements for the congressman were told will not be announced until after another civil rights icon, c. T. Vivian is laid to rest on thursday. Both men were lieutenants of dr. King, both died on the very same day. In the meantime, norah, the timcratic party of this state has announced that Nikema Williams will replace john lewis name on the november ballot. Odonnell lewis left such a legacy, michelle miller, thank you. And there is still much more news ahead on tonights cbs evening news. Stunning allegations, a new lawsuit accuses a former fox news anchor of rape and two top personalities of sexual lawsuit accuses a former fox news anchor of rape and two to harassment. Later, a deeper look at john lewis legacy, as a young man he made history. Six decades later his words still inspire. Still inspire. This is ava. These are avas shoulders. They square off. And bear it all. But now avas shoulders are stronger than ever. This is what medicare from Blue Cross Blue Shield does for ava. And with plans that fit your life and budget, you can count on us when it matters most. This is medicare from Blue Cross Blue Shield. This is the benefit of blue. This is medicare from Blue Cross Blue Shield. All otc pain relievers including volthave one thing in common none are proven stronger or more effective against pain than salonpas patch large theres surprising power in this patch salonpas dependable, powerful relief. Hisamitsu. They fell in love with itsusing irresistible scent. 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In the first two pages of the suit, eckhart alleges that henry who was twice her age asked her to be his sex slave and his little whore and threatened punishment and retaliation if miss eckhart did not comply with his sexual demand. Eckhart also claims she was violently raped while helpless and restrained in metal handcuffs as mr. Henry performed sadistic acts on her without her consent. As for areu, she says henry sent her a slew of wildly inappropriate sexual images and messages throughout the first half of this year. Ed henrys attorney Catherine Foti said the evidence in this case will demonstrate that miss eckhart initiated and completely encouraged a consensual relationship. Fox news said in a statement that cathy areus claims against fox news are false, patently frivolous and utterly devoid of any merit. Jericka duncan, cbs news, new york. Odonnell up next, an unforgettable moment in history. The words and message of john lewis in 1963. Ge of john ge of john lewis in 1963. 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Talk to your doctor today about dupixent. If your financial situation has changed, we may be able to help. Odonnell as a freedom rider and as a congressman john lewis spent his life fighting for equality. But it was the speech he gave at the 1963 march on washington that gained him national attention. Tonight, a look back. We must say wake up america, wake up, for we cannot stop and we will not and cannot be patient. Odonnell it was the day that americans remember for Martin Luther king, jr. s i have a dream speech. But it was the youngest speaker john lewis who was remembered for giving the most fiery address. But we want to be free now odonnell at age 23 lewis had already been arrested for leading sitins, to integrate whites only lunch counters. Organizers were worried about his references in a speech to revolution and violence. My friends, let us not forget that we are involved in a serious social revolution. Odonnell lewis planned to rally the crowd to march through the south the way sherman did and burn jim crow to the ground nonviolently. Instead he said this. When we will march with the spirit of love and with the spirit of dignity that we have shown here today. Odonnell hundreds of thousands listened to him that august day at the lincoln memorial. Almost 60 years later and just a mile away, he would use his last public appearance to walk a dc street renamed black lives matter plaza. This is very moving, very impressive. Reporter but while honoring george floyd and others, his words from the 1960s still today resonate loudly for america. We are tired. We are tired of being beaten by policemen, and being told to be patient. How long can we be patient . Odonnell and that impatience he embraced, what he called good trouble. Well be right back. What happened daddy . Well, you see here. Theres a photo of you and theres a photo of your mommy and then theres a picture of me. 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