With scott pelley. Dubois good evening. Scott it off tonight. Im maurice dubois. Donald trump is coming to the end of the worst week of his campaign. National polls show Hillary Clinton has opened a sevenpoint lead. Have a look at the end of the conventions they were just about tied. In just one week, shes up, hes down after one misstep after another. Now, keep in mind the election is a statebystate battle for 270 electoral votes, and it will be decided in these 11 states that could go either way. Two are on trumps schedule today. Heres Dean Reynolds. Reporter as a chaotic week of political blunders and sagging poll numbers drew to a close, donald trump patted himself on the back. Ive been told by so many people that know me under pressure, donald, thats when you do the best. Reporter he was in iowa this afternoon and will be in wisconsin tonight, battleground states that president obama won twice in general elections and states whose republican primaries ted cruz won this year. So trump has work to do. And if you dont like me, thats okay. Vote for pence because its the same thing. Reporter but if today is any measure, he wont get much help. Neither of iowas republican senators joined him on the stage at his rally in des moines this afternoon. Jonie ernst and Chuck Grassley were otherwise engaged. And the insult to trump was worse in wisconsin where the state assemblys republican leader said he is embarrassed by his partys president ial nominee, and where other top g. O. P. Officials will not be attending tonights rally in green way. Speaker paul ryan pron johnson, and scott walker found someplace else to be. Ryan sounded almost resigned to a trump defeat reminding voters, much more is at stake than the presidency. If we fail to protect our majority in congress we could be handing Hillary Clinton a blank check. Among all the accounts of a campaign in disarray, there are signs trump may be changing if only a bit. Remember the video he has been talking about by days, the one he said was shot by iranians and shows a humiliating payment to the ayatollahs . And the plane coming in and the money coming off, i guess, right . Reporter well, he said today he was mistaken, that it showed hostages being released in geneva and no payments. And tonight in green bay, maurice, after weathering days of criticism from republicans for refusing to endorse paul ryan for reelection, donald trump is expected to do just that. Dubois Dean Reynolds in green bay tonight. Hillary clinton says she did not mean to imply that f. B. I. Director james comey vouches for the truth of her public statements about her emails. She seemed to do that in an interview sunday with foxs chris wallace. Here was clinton today. Director comey had said that my answers in my f. B. I. Interview were truthful. Thats really the bottom line here. And i have said during the interview and in many other occasions over the past months that what i told the f. B. I. , which he said was truthful, is consistent with what i have said publicly. So i may have short circuited it, and for that i, you know, will try to clarify. Dubois clinton was endorsed bay by michael morell, the former number two at the sky. He said clinton is highly qualified to be commander in chief and will keep the nation safe. As for trump, morell said he is not only unqualified for the job but he may well pose a threat to our National Security. Until recently, morell was a National Security contributor for cbs news. Anthony salvanto is our cbs news director of elections, and, anthony, big shift here in the polling numbers. Whats behind it . Well, you know, weve actually seen the numbers move away from donald trump over the the course of the week. We had in our poll Hillary Clinton up seven points on monday. Some suggestion over the course of the week that lead got even bigger. On the democratic side, Hillary Clinton has consolidated her base. Shes doing well with democrats, better with liberals than on the republican side, donald trump is doing with conservatives. So he still has some work to do to match her with their bases. Dubois now, those are national numbers. We know the election is all about the states. What are the bagstates showing us . Right. We identify 11 battleground states that will really decide this election, places like wisconsin. What we have seen over the last week is in those places, too, the polls are starting to shift toward Hillary Clinton. But theres some indications that even reliably republican states, places like georgia or arizona, could start to become competitive, and that would force him to start defending reliably republican territory, too. Dubois now, to those who are tempted to call the election here in august, you say . Nothing, maurice, is permanent in august. Dubois another anthony salvanto. Thanks so much. Thank you. Dubois some other numbers that could figure into the president ial election. The government reported today that the economy created 255,000 jobs in july, the second straight month of strong gains, and the Unemployment Rate held steady at 4. 9 . That news gave wall street a boost. The dow rose 191 points. There is tension in chicago following the release today of videos that show the moments before and after Police Fatally shot an unarmed black suspect. Jericka duncan is following this, and we caution you, some of what you are about to see and hear is graphic. Reporter within seconds of spotting a reported stolen jaguar. sirens gunfire Reporter Police fired more than a dozen shots at the car 18yearold paul oneal was driving. Oneal sped off and rammed into a police car. Oneal then fled on foot. After a short chase, he was shot in the back, but the Fatal Shooting was not captured on any camera, only the aftermath. Put your hands behind your back bleep . They shot at us, too, right . Reporter officers believed oneal was firing at them, but no gun was ever recovered on oneal or in the car. Michael oppenheimer represents oneals family. These Police Officers decided to play judge, jury, and executioner. Reporter the video was made public eight days after the incident, a far cry from the 14 months it took to release the video of officer Jason Van Dyke shooting and killing 17yearold laquan mcdonald. The officer who said on video he thought he shot oneal knew early on there would be trouble. The police out here acting reckless. Reporter Chicago Police superintendent Eddie Johnson tried to have a News Conference outside Police Headquarters but he was shouted down by protesters. He was down and started shooting. Reporter three of the officers involved in the shooting have been placed on administrative leave. We reached out to those officers for comment but got no reply. Maurice, the superintendent, the police chief here in chicago, said it appears those officers may have violate a new policy banning officers from shooting at moving vehicles. Dubois Jericka Duncan for us in chicago. Dallas is another city where the police and the black community have had a troubled relationship. But that may be changing, thanks in part to a call to action after the murders of five officers last month. Heres Omar Villafranca. Reporter the attack shocked the nation, a lone gunman killed five officers in Downtown Dallas after a protest march and sparked a fiery response from Dallas Police chief david brown. Serve your communities be. Dont be a part of the problem. Were hiring. Were hiring. Get off that protest line and put an application in. Reporter you know the area. Yeah, i do, i know it very well. Jaiston sawyer took chief browns call to service to heart. The former Navy MilitaryPolice Officer now wants to join the Police Department. What was your reaction when you heard him say that . I felt like he was directing that towards me because i am one of the guys that, when i see Police Brutality or anything, kind of pointing the finger and saying what could have been done. And i decided to it was time to do something besides pointing the finger. Reporter in the weeks since the attack, the Police Department received an overwhelming response. 467 people have applied to join. Thats an almost 250 increase in applications compared to the the previous month. Sergeant George Aranda heads up recruiting for Dallas Police. What do you tell the new recruit who are coming in . Heart. Check your heart. Being a Police Officer, being a servant, its not for everybody. You have to be willing, at any given moment, to put your life on the line for a complete stranger that youve never met before. Reporter sawyer wants to serve the neighborhoods where he grew up, to help build trust between cops and his community. Ive made plenty of facebook posts and theyve never gone anywhere besides a couple of likes and a couple of shares. So i believe actually going out there and being the difference is what we really need. Reporter the screening process for recruits can take up to three months. Maurice, after that, it will be another year before theyre able to go out and patrol the streets. Dubois Omar Villafranca in dallas tonight. After a slow start, the u. S. Is taking in more refugees from wartorn syria. Today, the state Department Said 8,000 have now been resettled in this country, and the u. S. Is on track to meet president obamas goal of admitting 10,000 by october. It is Opening Night for the summer olympics in rio. The runup was anything but smooth with concerns about zika, pollution, and a doping scandal. Some in rio wish the olympics had gone to another city. Ben tracy is there. Reporter when the olympic torch reached rios copacabana beach today, thousands of protesters blocked its path. Theyre upset about the 12 billion being spent on the olympics in a city deep in recession. In the the past week, demonstrators have tried to douse the olympic flame and attack it. Police have used rubber bullets and stun grenades on the crowds. At the stadium hosting the opening ceremony, the fireworks have been given a practice run. Swimmer michael phelpss, the most decorated olympic ever, will carry the flag for the u. S. Team. The shows director fer mannedo morales, says the production will be honest about some of brazils problems. Were not hiding because Everybody Knows that we have a very still very big social issue in brazil, rich people and very poor people. Reporter a recent survey found 63 of brazilians think hosting the olympics is doing more harm than good. Only 16 are enthusiastic. People have seen how many of the promises associated to these games arent fulfilled. Reporter journalist Julianna Barboza wrote a book about how the games failed to make good on promises, such as cleaning up rios notoriously polluted waters. How much disappointment is there, do you think, that the water issue never got resolved . Oh, its huge. This is one of the promises that if it had been carried out would have significantly impacted for the better the lives of millions of people. So the disappointment runs pretty deep. Reporter despite all of that, brazilians love a party, and they are definitely having one here in rio tonight. The only disappointment you hear in this crowd is that brazilian soccer great pele, will not be able to light the could ron tonight and thats because he says hes in poor health. Dubois coming up next on the cbs evening news, fear of birth defects grows in floridas zika zone. And later, some unwelcome visitors just ruined a whole lot of weekend plans. 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Thats 16 people infected now by local mosquitoes in the same miami neighborhood. David begnaud says theres growing fear among pregnant women in the zika zone. Reporter lisa isaza is 36 weeks pregnant with her first child. My one job is to protect this baby. I cant get bit by a mosquito. Reporter she lives in the onesquaremile area north of downtown miami known as the zika zone. Have you had any symptoms . One morning i woke up with some conjunctivitis in my eye, and another time my joints were hurting in my hands. Reporter both are symptoms of zika. She took a free test and is awaiting the results. Infectious diseases dr. Aileen marty reviewed her case. There is no safe trimester but there are lessdangerous trimesters. So the closer you are to the end point, the less likely that theres going to be any kind of problem. Reporter dr. Marty says pregnant women are taking advantage of free zika testing being offered at Public Health departments statewide. My biggest concern would be having a child that has these defects, and i want to do Everything Possible to prevent that. Reporter momtobe lea asaro lives in Broward County where two cases have been reported. She cancel a trip to puerto rico, where there are more than 5400 cases. Her husband is going. We have already talked to my obstetrician about him getting tested when he come backs. Reporter back at lisa isazas house, the wait for results is filled with anxiety. Im finding some peace in the fact that my sonogram looks great at 36 weeks. The baby is developing, and looking very healthy. Reporter county Health Departments are offering zika kits to pregnant women for free. They come complete with condoms, skin repellents, and another repellent specialized for your clothing and mosquito dunks which is said to kill larvae in standing water. This weekend there will be more aerial spraying in and around the zika zone. Dubois in just a moment air, mayor charged with offering drugs for sex. 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Reporter why dont you say no . As shell tell you she has me wrapped around her finger. Reporter her foal was born and he named him m. J. B. Got faith, for the faith she instantly had in him. I really love him. Hes super soft, too. Reporter but that quick bond posed a real problem for this pushover dad. See, for whatever reason, brian thought once he explained to his daughter that her horse could never race, that it was a runt from poor breeding stock, she would just agree to sell it. Shes like, theres no price, daddy. So im talking to my wife, and im like, weve really got ourselves in a mess here and i dont know how were going to get out of this. So we staked him to the races. Reporter this horse that doesnt belong in the races. The horse i thought we should have gotten rid of already. Reporter brian was stuck, committed to boarding and training this long shot to end all long shots. And this is not a wealthy family. Brian runs a small logistics company, and ohio racing, which is harnessstyle racing, is a 900 millionayear industry. I want to see him go fast. Reporter m. J. B. Got faith was so slow he barely even qualified to compete, but then somehow, some way, won his first race, his second, third, and fourth. Qualifying him for the state championship held in columbus, ohio. I said, baby, if you finish third, you should be so thankful. She goes, daddy, if he finishes last, im going to be thankful but hes gonna win. Reporter and so it was. Come on, m. J. B. reporter that this little horse with no pedigree, it this pet with no reason for being here beyond the blind faith of a little girl won an ohio sire stakes championship. She said, dad, i told you. You gotta have faith. Reporter breana took home 100,000 that day. She gave half to charity and plans to put other half toward buying a farm. I just want to have a farm and be able to go walk out my back door and see him. Reporter since we first told this story last year, things have only gotten better for breana. She got a National Horse racing award and book and movie deals are in the works. Interestingly, her dad now has a race horse, which he gave a mostunusual name. Steve hartman owned by brian carsey reporter perhaps because of that poor choice, brian has yet to win a single race. Fourth is Steve Hartman. Reporter hopefully, his daughter will let him live on her farm. Steve hartman, the person, on the road in connorsville, indiana. Dubois and that is the cbs evening news. For scott pelley, im maurice dubois. Thanks so much for joining us. Have a good night and are blake and ggen getting married . Behind the new rumors. Why it could happen sooner than you think. And explosive kevin wedding details. Hey, hey, it what e. T. Knows about the guests, the location and the prenup . Plus Charlize Therons onset Love Connection . Which of on set costars is hitting help up. I wasnt aware that was flirting. Then a celine dion flashb friday. E. T. On the set of my heart will go on uncovering secrets you never knew about the song. And americas greatest catletes go paw t