Announcer this is the cbs overnight news. Welcome to the overnight news. Im elaine quijano. Trump Administration Efforts to further isolate north korea may be working. China is urging its outcast neighbor to make a smart decisi decision and stop conducting missile launches and nuclear tests. The scolding follows the the passage of a u. N. Security Council Resolution imposing tough new sanctions on the regime. They could cost the country a billion dollars in lost trade. Errol barnett has the the latest. President trump says he is working during his stay at his golf club in bedminister but took time to greet wedding guests at his resort. Twitter the president described new u. N. Sanctions on north korea as the largest ever to punish the country. The sanctions are in response to its testing of two Intercontinental Ballistic Missiles last month. Analysts believe they were capable of reaching u. S. Soil. And could be used to carry a nuclear weapon. The north korean threat has not left us. It is rapidly growing dangerous. U. S. Ambassador to the u. N. Nikki haley says the move cuts deep but more action is needed. While this resolution is a significant step forward it is not nearly enough. Russia and china didnt use their veto power. And supported sanctions. A move the white house says it appreciates. It is a sign of diplomatic progress for the Trump Administration which has been trying to convince china to use more of its economic leverage over pyongyang. Today, secretary of state, Rex Tillerson met with his chinese counterpart at a regional summit in the philippines. The two agreed to keep up pressure on the rogue regime. Last week, National Security adviser, h. R. Mcmaster said, mr. Trump will continue to resist north koreas development of nuclear weapons. What we mav have to do is everything we can to pressure this regime, to pressure kim jungun, and those around him such they conclude its in their interest too denuclearize. The state department is banning americans from traveling to north korea. Citing risks of long term detention. In june, an American College student was released from jail there in a coma, dying in a u. S. Hospital days later. When this ban takes hold, cement 1, north korea will be the only country americans cannot travel to. Elaine. Errol barnett, thanks. We turn to our chief washington correspondent, and face the nation host, john dickerson. John in the first week as President Trumps chief of staff, john kelly made a big change firing the communications director. Will he be able to organize a rather disorganized west wing. The reviews from the first week are good, both because the, general kelly has been able to tighten up the white house staff, having meetings in which, basically he gets everybody moving in the same direction. He has gotten some of the, fight of the egos apparently in line. It has been one week of course. Then his other challenge which he seems to be making some inroads on how to manage up. Saying working with the president. President who loves improvization, but who is in a job where it is very hard to improvise and not cause chaos. How big of a challenge will that be, manage up . It depend mostly, i think the biggest challenge for, for, general kelly is that the president likes to be the author of his own drama. In part because if he is the author of it he can control it. And, and that is just very hard, hard white house environment to work in. There is also the drama that comes not authored by the president , that would be anything the special counsel does. And trying to keep the president from reacting to any new special counsel information that will be a big challenge because it is not only probably puts the president in a tricky legal spot, also it distraction from wheverhe white hou is trying to work on in termsf their message. All right, john dickerson. Thank you so much. Thank you, elaine. Vice president mike pence today strongly denied a report that he is planning a White House Run in 2020 if President Trump doesnt run for a second term. Pence called the New York Times article disgraceful and offensive to me, my family, and our entire team. In australia today, American Military officials called off the searchandrescue operation for three missing u. S. Marines. They were aboard an osprey aircraft that crashed into the sea on saturday. 23 other Service Members were rescued. Today, chicagos mayor, said the city plans to sue the Trump Administration over threats to withhold money from socalled sanctuary cities. The latest pushback against a federal immigration crackdown that is escalating nationwide. Here is mireya villarreal. Reporter in the front row of the church her family founded north of downtown los angeles, victoria carreas is praying her husband will come home soon, detained by immigration customs enforcement, the undocumented 42yearold living here with her american born wife and two young children. They cry at night. They miss their father. I miss my husband deeply. Reporter in a statement to cbs news, i. C. E. Says he is a repeat immigration violator who assumed multiple identities and his actions have established a pattern of misrepresentation. Carias had several runins with i. C. E. , granted two stays, his third was denied. Why do you think he might have been targeted . I think he is just a victim of the new administration. Reporter the familys attorney believes the president s promise to target criminals is far from what is happening in the field. The detentions internally here in the United States have increased at 150 . Since the obama administration. This week, President Trump rolled out a new immigration bill that restricts what kind of immigrant should be eligible for a green card. Our plan favors applicants who can speak english, who can support themselves financially. In another Southern California case, a man was detained after droppin his daughter off at school. The mexican citizen living in the u. S. For 25 years. I didnt feel like my family, any one of us would be a priority for deportation. From october 2016 to june, i. C. E. Made 102,000 immigration arrests and removed 171,000 people. I. C. E. Is focusing efforts on anyone who poses a threat to National Security or public safety. But elaine, they also say no one is exempt. Mireya villarreal. Thank you. A new database challenging assumptions about how clean the water is that we drink. Thats next. At at t, we believe in access. The opportunity for everyone to explore a digital world. Connecting with the things that matter most. And because nothing keeps us more connected than the internet, weve created access from at t. California households with at least one resident who receives snap or ssi benefits may qualify for Home Internet at a discounted rate of 10 a month. No commitment, deposit, or installation fee. Visit att. Com accessnow to learn more. Severe weather is plaguing part of the plains and deep south this weekend. At least 28 people were hurt when a tornado tore through tulsa, oklahoma. Several buildings were destroyed. At least 4 inches of rain also fell. In new orleans, powerful storms dropped nearly a foot of rain. Swamping city streets. Harvard university expects to enroll a majority nonwhite freshman class this fall for the first time in its history. But the Ivy League School is being accused of discrimination. It is part of a new fight over race in college admissions. Tony dokoupil explains. Perfect score, 4. 67 gpa. Reporter michael wang did everything to get into harvard. Multiple speech, debate award. Piano competitions. Reporter in 2013, the California High School student was rejected by his dream school even as he says students with lower grades got in. Asianamericans are set to a higher bar compared to applicants. Had i been africanamerican, latino i may have gone to more schools, not sure myself. Reporter the Supreme Court ruled repeatedly, race can be a factor in college admissions. On the website. Harvard talks proudly of considering the whole person in its decisions. But asian students like wang allege that harvard keeps them out with what amounts to illegal cap on asian enrollment and preference for other racial minorities according to a lawsuit filed in 2015 by an advocacy group, students for fair admissions. More than 60 asianamerican associations joined, this week the Trump Administration confirmed it is investigating. Saying the department of jufs tis is comm justice is committed to protecting all americans. The college is not releasing the data how exactly theyre using race. A senior fellow at the kato institute. Reporter you think discrimination against asianamerican applicants is real . Absolutely. Against asians, against whites to a lesser extent. I dont think this does a service to anyone on our college campuses. Reporter a spokesperson for harvard says the schools approach is consistent with the legal standards stab lieshed by the u. S. Supreme court. After his harvard rejection he went on to williams and now works for a law firm. Elaine. Tony dokoupil, thanks. Another violent weekend in chicago. At least 14 people were hit by gunfire. Three died including a 14yearold boy. Additional atf agents are helping combat gun violence in the city, theyre led by a chicago native. For her the fight is personal. She spoke to adriana diaz. I was the kid that walked to School Every Day in fear that i was going to get call the in a gang shooting. No kid should have to live with that fear. What i say to them is, put the guns down. Reporter when you were task tasked it is her job toet the guns off the spreets. The headf the atf division nose the pain of Gang Violence personally. When the chicago native was 8 she lost her cousin who she considered a brother to Gang Violence. I get the anger that some gang members feel, they want retaliation. I say, you know what, turn that hurt into greatness. And do something positive. Reporter as her plan attack against violence, she launched chicagos Crime Gun Strike forcing in june. It is a team of city, state, federal agents, tasked with hunting down illegal guns. Whats that over there . This is our forensic lab on wheels. Reporter to help, she brought in the a. Tf only forensic van. Here is a shell casing we kind of see at crime scenes. This screen shows the database from across the country. When you can match shell casings, match crime scenes, now you have a possible suspect. Eventually will lead us to the gun. Reporter in chicago, officials have confiscated more than 5,000 guns since january. 900 more than this time last year. How easy is it for some one to get a gun . That easy. Reporter gang members tell us the guns are easily replaced. Seizing these guns is one part of the component. How do you change the mentality, where they feel that, that they need a gun . Whats happening in chicago cant be put on Law Enforcement alone. We need how to change the mentality of our juveniles and the young people that want to carry guns. Reporter the police have had some gains. Shootings are down 13 . Already this year there have been 400 people murdered which is up over last year, elaine. Adriana diaz, thank you. Susie got all germy a cold, a bug, a flu when school was back in session those germs were shared with you each year kids miss 22 Million School days due to illness. But lysol kills 99. 9 of cold and flu viruses. Walter . Hmm . Is that the rest of our food . What . No. How come you have cheese in your beard . Because switching to geico could save you 15 or more on Car Insurance. Oh ok. Geico. Because saving 15 or more on Car Insurance is always a great answer. Whoa gross it says you apply the blue one ok, letto me. This. Here . No. Have a little fun together, or a lot. Ky yours and mine. Two sensations that work together, so you can play together. Clearasil rapid action begins working fast for clearly visible results in as little as 12 hours. But will it stop this teen from chugging hot sauce . Oh jeremy. So lets be clear clearasil works fast on teen acne, not so much on other teen things. Whatits up to you, like with tampax pearl. Od . You get ultimate protection on your heaviest days, and smooth removal for your lightest. Tampax pearl. And pocket pearl, for on the go. Clean, safe, Drinking Water essential to life. In this country most of us take it for granted. But should we . Now a new database allows everyone to see what exactly is flowing through your faucet. As chip reid reports, the results can be unsettling. Reporter mary mahr of washington, d. C. Says she started worrying abut her tap water during the water crisis in flint, michigan. What are you most worried about . About your water . The chemical that might been our water that we cant see and dont know about. Reporter we showed her a new report on tap water from the Environmental Working Group. Nine contaminants above health guidelines. But there is 18 other contaminants thats kind of crazy. Reporter the database allows consumers to go on line and see exactly what contaminants are in the water in their area. The new report also says, all most 19,000 Water Systems in the u. S. Have levels of lead that could affect formula fed babies. And 93 contaminants in the nations water are linked to increased risk of cancer. With the Environmental Working Group who is most at risk . Most at risk are young children, babies, and pregnant women. Reporter the u. S. Environmental Protection Agency said in a statement, americas Drinking Water remains among the safest in the world and protecting Drinking Water is epas top priority. The agency says more than 90 of the nations drinking walter systems meet all epa standards. They meet the Water Quality standard does that mean their water is safe . Absolutely not. The Water Quality standard are the legal standards, are set based on a compromise, between health and economical and political interests. It is not purely health. Mary maher wonders what it all means for her 12yearold daughter, ella. We dont live in a developing country. It seems like you should be able to trust your water when you live in the United States. Reporter there is some good news in all of this, the Environmental Working Group says water filters can reduce or even eliminate many of the contaminants. But, depending on whats in the water, coming into your home, the price of a filter could be anywhere from about 20 to more than 1,000. Chip reid, cbs news, washington. Still ahead, think older teenagers make better drivers . The new study says, think again. No matter who was in there last. Protection. New lysol power fresh 6 goes to work flush after flush for a justcleaned feeling that lasts up to 4 weeks. Lysol. What it takes to protect. You give us comfort. And we give you bare feet, backsweat, and gordos. Everything. I love you, but sometimes you stink. Soft surfaces trap odors. Febreze fabric refresher cleans them away for good. Because the things you love the most can stink. And plug in febreze to keep your whole room fresh for up to 45 days. Breathe happy with febreze. Clearasil rapid action begins working fast for clearly visible results in as little as 12 hours. But will it stop this teen from being embarassed by her parents . Nope. So lets be clear clearasil works fast on teen acne, not so much on other teen things. A cold, a bug, a flu when school was back in session those germs were shared with you each year kids miss 22 Million School days due to illness. But lysol kills 99. 9 of cold and flu viruses. A study out this week, revealed a surprising finding about teenage drivers. The older the teen the greater the risk on the road. Here is transportation correspondent, kris van cleave. Where is your cell known when you drive . In the glovebox. Out of reach. Out of sight. Reporter the glovebox. Yes. Reporter riding with 18yearold Dillon Mullins its clear he knows the wheels, hands on the wheel, phone out of reach. But new Research Shows thats not the case with many teen drivers. You feel the pull of the phone . Yeah, especially when you are in mid conversation before you leave. You have to say im driving now. You can still hear the dinging a little from there. Reporter the study by Liberty Mutual insurance and students against destructive decisions found older teens are more likely to use their phones while driving. 71 of High School Seniors more than freshman, sophomores, or juniors. Half of seniors say they use navigation and music apps compared to a third of sophomores. 32 of seniors admit to snapchatting behind the wheel. Last month an 18yearold in california was livestreaming on instagram when sheep lost control and crashed. Killing her 14yearold sister, and injuring another teen. The tendency for teenagers is you start cautious, and you get more and more experienced, and feel more and more confident, if they feel more confident, if they feel more powerful, they may jump to more risky behavior. Compounding the problem many states drop license restrictions on teens including curfews and limiting passengers when drivers turn 1. This mother says she is not dropping her rules. What happens if they dent follow the rules . No car. He loses car privileges. If she would ever found out