This is the cbs evening news with jeff glor. Glor good evening. We are going to begin here tonight with some breaking news. At a military base in northern virginia, a number of people have become ill. Some were rushed to the hospital after someone at the base opened a letter. Kris van cleave is following this situation from our d. C. Newsroom. Kris. Reporter well, jeff, this is being treated as a hazmat situation. Heres what we know. It was late this afternoon, when the Arlington CountyFire Department responded to this hazmat situation. That Agency Reports loaf people began feeling ill after a letter was sent to an administrative building. It was opened, containing some kind of unknown substance. That building has been evacuated and three people were taken to the hospital. An investigation is now under way. The military base is located right next to Arlington National cemetery. Its where several top commanders, including members of the joint chiefs of staff, live. Its also home to a large daycare facility, and the old guard, the unit that conducts military funerals at arlington. Jeff. Glor all right, kris van cleave, thanks very much. Well keep watching this breaking situation, at joint base myer henderson. Again, a number of people rushed to the hospital after an envelope was opened at that military base. There is more breaking news from washington tonight. Cbs news has confirmed the security clearance of it jared kushner, the president s soninlaw, has been downgraded. Kushner, a senior adviser, will no longer have access to the top secret report, the president s daily brief. More now on this from margaret brennan. Reporter mr. President ojareds downgrade clearance, sir, any concerns . Reporter President Trump ignored questions about whether his soibl, Jared Kushners, highlevel security clearance had been downgraded, effectively shutting off his access to information that, if disclosed, could be damaging to national security. As an adviser to the president , kushner had been granted interim access to such materials while the f. B. I. Completed his background check. The report was delayed after kushner had to refile his paperwork three times because of undisclosed contacts with foreign nationals. One of those encounters was a june 2016 meeting with a russian lawyer at trump tower, a meeting that is now being examined by special counsel robert mueller. Hes a valued member of the team, and he will continue to do the important work that hes been doing since he started in the administration. Reporter kushners portfolio includes key Foreign Policy items, like middle east peace and trade negotiations with mexico. General kelly respects jared a lot. Reporter on friday, President Trump said he left the decision on kushners security clearance up to the chief of staff, john kelly. And general kelly will make that call. I wont make that call, i will let the general, who is right here, make that call. But jareds doing some very important things for our country. Reporter kelly put new clearance rules in place after the disclosure that former staff secretary Robert Porter had abtained an interim security clearance, despite his f. B. I. Background check that had revealed Domestic Abuse allegations by two exwives. A spokesperson for kushner told cbs news that, those involved in the process again have confirmed that there are dozens of people at mr. Kushners level whose process is delayed. Glor margaret, doe know if Jared Kushners background check raised any red flags . Reporter well, no red flag, per se, but that final approval is still being delayed. The president himself on friday blamed some of that on complex Financial Transactions and a broken system. But as to his ongoing role as an adviser to the president , multiple Administration Officials have raised concern that kushner may be naive or even easily manipulated because he doesnt have experience on some of the incredibly complex Foreign Policy issues that he is involved with. Jeff. Glor our white house correspondence and moderator of face the nation, margaret brennan. Thank you very much. It has been nearly two weeks since a gunman killed 17 people and wounded 16 at a high school in parkland, florida. Now, it turns out police say it could have been a lot worse. Manuel bojorquez now on what the gunman may have been planning. Manny. Reporter well, jeff, indeed, tonight, we are learning more people could have been injured or killed. Sources tell cbs news that after suspected gunman nikolas cruz began firing in the first and second floors of the freshman building, he continued to make his way up. And that is where investigators believe he planned on using a thirdfloor stairwell as a Vantage Point to shoot at students. Sources say cruz attempted to create a snipers nest by shooting out a glass window, firing 16 rounds into the glass. However, the hurricaneproof glass appeared to have stopped it from shattering. As terrified students ran from the school, investigators believe cruz tried to reload, but after changing magazines clims, his gun may have jammed. With more than 180 rounds of ammunition left, cruz allegedly then put down his weapon and left the building, blending in with other students. Cbs news is also learning tonight that images of swastikas were found on the ammunition magazines used by the suspected shooter, nikolas cruz. Jeff. Glor all right, manny, thank you very much. Pretty fascinating to hear what those hurricane windows can do. Students will return to Marjory StonemanDouglas High School tomorrow for the First Time Since the shooting. They will have a half day of classes tomorrow. Adriana diaz is also there. Reporter today a parkland father, andrew pollack, appealed directly to state lawmakers. I want to be the last father of a murdered kid thats ever in this country. Thats it. Reporter his 18yearold daughter, meadow pollack, was killed at Stoneman Douglas high school. What do you think its going to be like walking through the front gates tomorrow . Carlos rodriguez and Lorena Sanabria will join more than 3,000 students returning to classes tomorrow for the first time in two weeks. Just this morning, i was, like, at this time tomorrow, im going to be in school. And, like, that hilt me. So yeah. Its going to be a process. Reporter when they arrive, they wont have a clear view of building 12, the crime scene. Its now obscured by a fence plastered with posters showing support. Going back to our normal lives is going to definitely be hard for me. Code red going on. Reporter the last time 17yearold rodriguez was at school, he captured students running to take cover. The last time you were at school was when the shooting happened. How are you feeling now going back . Its not going to be the same hallways. Its not going to be the same smiles. Its definitely going to be rough just to be in school and just to know that, thats a place where 17 people died. Reporter theyll be greeted by principal ty thompson, who made a promise to his students eagles, i promise you, i will hug each and every one of you as many times as you need, and i will hold you as long as you need me to for all 33 hono00 of. Reporter tomorrow will be a halfway with extra security on campus. There will be councilors on campus. There will be extra security on campus. Does that make you feel safer . Yeah no, not really. With all the security and all the guards and everything, i think its going to make it harder for us to heal. Reporter grief counselors will be in every classroom thats missing a student who passed away. The principal here received advice from the principal at columbine, who suggested changing the sound of the fire alarm so its less likely to trigger students memories from that day. Jeff. Glor adriana diaz, thank you. In syria, fivehour truce ordered by the assad governments chief ally russia took effect today in a leivel held town outside of damascus, but no supplies got into the ghouta neighborhood, and no wounded were evacuated. Seth doane is the only u. S. Correspondent inside syria tonight. He reports from governmentheld territory in the capital. Reporter mortars hit the mosque . Mortars hit the school. They also hit my house nihad assaf told us as we walked along a street pockmarked by shappener. We see where mortars are fallen. Reporter this neighborhood in damascus is not far from eastern ghouta. Syrian force s have been brutally bombing the rebels if you for the past 10 days. The rebels have fired back with mortars, their main weapon. One tour into the second floor of hamdehs house. They hit my home and made my wife and family afraid, he said. Those people are terrorists. Today, there was a brief lull in the fighting, supposedly to let humanitarian aid into eastern ghouta. The hospital, back in the governmentheld part, was quieter, too. He was hit by a mortar in two splais places. Medical director nihad assaf introduced to us his patient who was injured in a mortar attack. He said, in one moment, they were a family father and mother and son. Now, their son is dead. Yeah. Reporter his son died . Yeah. Reporter elias khouli was four. Youre a doctor. Youd think youd be immune to some of this. I think this war is very bad for all the syrians, not only for us. Reporter there is pain among civilians caught on both the government and the rebel side of this conflict. And tonight, jeff, we have been hearing explosions in the distance picking up. When the air strikes hit they, pound like thunder. Glor seth doane, the only u. S. Correspondent inside syria. Seth, thank you. A surprise decision today by a federal judge in san diego. Judge Gonzalo Curiel sided with the president and rejected a challenge to construction of a border wall. Curiel is the judge candidate trump criticized in 2016, suggesting the judges mexican heritage made him bias against mr. Trump in the Trump University fraud case. As investigations continue into russian meddling in the 2016 election, congress was warned by the n. S. A. Today that it could happen again this year. More on that now from jeff pegues. Were taking steps, but were probably not doing enough. Reporter admiral roblg rogers kicked responsibility for the lack of action upstairs. I want to know why the hell not maam, im not. Whats is going to take . Im an operational commander, maam. Youre asking me a question thats so much bigger than me. Reporter earlier this month, f. B. I. Director Christopher Wray told Congress Much the same. Were taking a lot of specific efforts to blunt our as directed by the president . Not not as specifically directed by the president. Reporter more than a year ago, the Obama Administration officially blamed russia for interfering in the 2016 election, exposing what the russians had been up to was part of a u. S. Response the Obama Administration launched, beginning with public sanctions. But President Trump has sent mixed messages, especially about Vladimir Putins involvement. I believe that he feels that he and russia did not meddle in the election. As to whether i believe it or not, im with our agencies. Reporter u. S. Intelligence Officials Say the Cyber Attacks continue, and they expect Russian Hackers to target Computer Networks ahead of novembers midterm elections. Michael dananiel, cybersecurity coordinator for president obama, say the russians have one goal to raise doubt. To raise doubt. The russians are going to try to use that tool to further their Foreign Policy goals and blunt ours and undermine the u. S. Reporter the state Election Officials that weve talked to say the guidance from washington has at times been disorganized and underwhelming, and many fear at at this point, no matter what is done between now and november to defend against the hackers, it may be too little, too late. Jeff. Glor our justice and Homeland Security correspondent jeff pegues. Thank you. Theres much more ahead on tonights cbs evening news, including how israel keeps school kids safe. Reporter were here at a high school in tel aviv, and this is a very typical scene an armed guard standing outside the main drans intrans to the school. This is not by choice but by law. Are you taking the tissue test . Yep, and my teeth are yellow. Time for whitestrips. Crest glamorous White Whitestrips are the only adaaccepted whitening strips proven to be safe and effective. 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Since 1974, there have been a half dozen terror attacks on israeli schools. Weve come here to meet principal matty stern. How many teachers are here . About 145. Reporter of them, how many are armed with guns . None. None . No one. We have apt least one security guard. I think it provides us with everything we need. This is the job of the police. This is the job of the state. Reporter every gun owner in israel has to go through Training Like this. This is actually a group of security guards at schools. They have to do this every four months. Dealing with a weapon. Reporter. Reporter like many instructors, sharon gat is exmilitary. He said tough baked checks also make schools safer here. In the u. S. , there is a perception that in israel everybody has a gun. Is that true or false . False, very false. Gun laws in america are much more loose than gun laws in israel. Reporter in israel, it can take up to three months to get a gun. For starters, you have to be over 27, unless youve served in the military. Then, you must prove that your job requires a gun, and get a doctor to sign off. Any epilepsy or loss of consciousness or rhythm disturbances. Reporter if i said i have though things . Then you cannot have a gun. Reporter doctors like Omri Ben Ezra also check for mental illness. Raise it. Look reporter the final step is at the gun range. Very good. Reporter this is israels versionave drivers test for gun owners. Im about to find out if i passed. How did i do . So, you did pretty well. Reporter but about 40 of security guards and civilians fail and need to reapply, ensuring schools have the best defense. Jonathan vigliotti, cbs news, tel aviv. Glor up next here tonight, Walter Cronkites landmark commentary 50 years ago. T you c. You built your home again. My dna showed at and connected me to cousinsta. My name is joseph reece, and this is my ancestrydna story. Ve day. Name is joseph reece, order your kit at ancestrydna. Com jake. Seresto, seresto, seresto whatever your dog brings home to you, it shouldnt be fleas and ticks. Seresto gives your dog 8 continuous monthssyou, nongreasy collar. Oh no, jake. Seresto. Seresto, seresto, seresto can make you feel like noyour day never started. St get going with carnation breakfast essentials® high protein drink. It has 21 vitamins and minerals with 15 grams of protein to help you be your best. Try our high protein drink. You wouldnt accept from any one else. Why accept it from your allergy pills . Flonase relieves your worst symptoms including nasal congestion, which most pills dont. Flonase helps block 6 key inflammatory substances. Most pills only block one. Flonase. When this bell rings. It starts a chain reaction. Thats heard throughout the connected business world. At t Network Security helps protect business, from the largest Financial Markets to the smallest transactions, by sensing cyberattacks in near real time and automatically deploying countermeasures. Keeping the world of business connected and protected. Thats the power of and. But prevagen helps your brain with an ingredient originally discovered. In jellyfish. In clinical trials, prevagen has been shown to improve shortterm memory. Prevagen. The name to remember. Certain than ever that the bloody experience of vietnam is to end in a stalemate. But it is increasingly clear to this reporter that the only rational way out then will be to negotiate, not as victors but as an honorable people who lived up to their pledge to defend democracy and did the best they could. Glor that was Walter Cronkite 50 years ago tonight. 33 days later, president johnson announced he would not run for reelection. Years later, cronkite reflected on johnsons decision. I dont think our broadcast had a principal effect on, that but i think it was a straw on the back of a lot of indications that he was unhappy with the progress of the war and thought he ought to he himself ought to get out. Glor 50 years ago tonight. Now a program note. A cbsn originals documentary reveals how social Media Companies are being used to target a vulnerable Muslim Minority in mine bar, all known as burma. The Program Streams tonight at 8 00, 7 00 central, you can watch any time on cbsnews. Com. Up next, the genius behind the album that changed the beatles and music. Life goes on, yes, life goes on. Ive always wanted to share a special moment with my mom. I think surprising her with a night ski trip would just be the biggest gift i could give her. Lets make that happen. Shes gonna be so excited. Take me where i want to be. Let me dream, oh, let me dream. The roasted core wrap. Belly fat. 3, 2, 1. Not cool. Freezing away fat cells with coolsculpting . 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It divided time between the world before sgt. Pepper and the world after. I read the news today oh, boy reporter it was an album performed by a different kind of band a musical act that had become a victim of its own success. We cant develop where no one can hear you, you know what i mean . So for us to perform, its difficult. So were trying to get better with things like recording. Its Getting Better all the time they deliberately pulled themselves out of beatlemania. Reporter giles martin is the son of george martin, the legendary beatles producer that took sgt. Pepper to places pop music had never been. Did they know at the time that they had changed rock history . Im not sure if it was deliberate, but they wanted to do Different Things all of the time. The conscious decision was were already bored by what were doing. It wasnt how can we change the face of popular music. 1967, the summer accept ws under one. Paul gambaccini is a d. J. Author and walking music encyclopedia. Although most people praised it, Richard Goldstein panned it. Reporter hated it. Diget it wrong . I think so. What i didnt pick up is where it was leading music. That decision to take music and blast all the framework that pop music had been encased in, like a very tight girdle, and just let it flow freely, was incredibly influential on the counterculture andolt whole history of music. Reporter bring up a chord. Nothing flowed more freely than the albums final chord. Which giles martin has remixed, along with the rest of the album, and which, 50 years later surprise, surprise has also shot to number one. Theres just so much more in the new one, so much more. Like its final chord, sgt. Pepper goes on forever. Mark phillips, cbs news, london. Glor that it did. Upon that is the cbs evening news tonight. Im jeff glor. The news continues now on cbsn. Errol barnett is ready. Have a good night. See you tomorrow what will Ryan Seacrest do. Will he be shunned on the oscar red carpet . Celebrities could challenge him on live tv and bring up these allegations. Then trump boast backlash. I really believe i would run into the school even if i didnt have a weapon. What would a real medal of honor recipient do in the School Shooting . What would you do . And accused killer in the library. Her life taken away just because she was reading a book . Are you safe inside your local library . Then wedding day