Captioning sponsored by cbs this is a special edition of the cbs evening news with scott pelley. Reporting tonight from the Democratic National convention in philadelphia. Pelley this is our western edition. And theres breaking news here tonight, and not the kind that Hillary Clinton wants. A new email scandal. This time at the Democratic National committee. And it has cost the chairman of the d. N. C. Her job. Florida congresswoman Debbie Wasserman schultz announced that she is stepping down at the end of this convention. Nancy cordes begins our coverage. Reporter scott, Wasserman Schultz was already a lightning rod for Bernie Sanders supporters even before these hacked emails were made public. And so now with democratic officials desperate to bring those supporters into the fold and unify the party in advance of the convention, the decision was made that she had to go. Debbie Wasserman Schultz. Hello, south florida reporter Wasserman Schultz announced her resignation just one day after introducing clinton and her new running mate in miami. In a statement this afternoon, she said the best way for me to accomplish these goals is to step down as party chair at the end of the convention. A handful of the 20,000 hacked emails showed her aides musing about how to blunt Bernie Sanders momentum earlier this year. In one, the d. N. C. s chief Financial Officer wrote, for kentucky and West Virginia can we get someone to ask his belief . Does he believe in a god. He had skated on saying he has a jewish heritage. I think i read he is an atheist. Nobody has apologized to me. Reporter sanders has long argued that the d. N. C. , which was supposed to be neutral in the primaries had its thumb on the scale for clinton. Debbie Wasserman Schultz, i should not be chair of the d. N. C. And i think these emails reiterate that reason why she should not be chair. Reporter scott pelley asked clinton about the controversy in her first joint interview with her running mate tim kaine airing tonight on 60 minutes. Pelley did you know anything about any of that . No, i didnt know anything about it. And i havent read any of those. But i am adamantly opposed to anyone bringing religion into our political process. I mean the constitution says no religious tests so that is just absolutely wrong and unacceptable. Reporter senator kaine spent his sunday attending church in richmond and with his son nat, a marine who deploys to romania tomorrow. We needed some prayers today and got some prayers. Reporter clinton selected kaine out of about two dozen contenders, and he made it clear in miami yesterday [speaking spanish] reporter that he intends to be her biggest advocate. Hillary clinton, she doesnt insult people, she listens to them. What a novel concept, right. Reporter we learned this afternoon that former new york mayor michael bloomberg, who considered his own bid for the presidency, will actually endorse clinton here at the d. N. C. On wednesday. And tonight, scott, Bernie Sanders says that Debbie Wasserman schultz made the right decision by stepping down. He says he is still fully behind Hillary Clinton. And in fact, intends to deliver a stem winder here at the convention on night one tomorrow night. Pelley nancy cordes with us here in philadelphia. Nancy, thank you. We asked Hillary Clinton about those incriminating party e mails. Just hours after she chose Virginia Governor tim kaine i should say virginia senator tim kaine as her running mate. They sat down with us for their first interview for tonights 60 minutes. In your view, any effort in the d. N. C. To favor one candidate or another would have been improper . Again, i dont have i dont have any information about this. And so i cant answer specifically. We ran our campaign. We ran hard. We worked to have as many successes as possible. Im very proud that we got more votes than anybody else running, including donald trump. And i am very grateful for the campaign that senator sanders ran, because we ran a Campaign Based on issues, not insults. So i cant speak to what people who were not working for me, who were saying whatever they were saying. I cant speak to that. I can only speak to my campaign. Pelley senator . I was a d. N. C. Chair. So you know, during the first obama term, you are not going to find anybody at the d. N. C. Or the r. N. C. Or any Political Organization who is a complete agnostic who doesnt have an opinion about a candidate. Those of us who are kind in its realm have opinions about people. But i dont see an effort to put a thumb on the scale to tip this one way or the other. I think the vigorous nature of the campaign and the positive nature of the campaign is proof that these are Public Servants who were in it for the right reason. And i think we will be unified going forward. Pelley madame secretary, did you hear the Republican Convention chanting lock her up . Well, i didnt hear it because i wasnt watching. But i certainly heard about it, yes. Pelley did you feel threatened by that . No, i felt sad. I felt very sad, scott. I mean, i dont know what their convention was about, other than criticizing me. I seem to be the only unifying theme that they had. There was no positive agenda. It was very dark, divisive campaign. And the people who were speaking were painting a picture of our country that i did not recognize. You know, negative, scapegoating, fear, bigotry, smears. I just was so i was saddened by it. Pelley well have more of our interview with tim kaine and Hillary Clinton tonight on 60 minutes. President obama is down to his last six months in office. And he talked about the race with John Dickerson on todays face the nation. Reporter in 2008 a lot of your supporters said, look at the way he ran his campaign. If he runs the presidency like his campaign, hes going to be in good shape. Why isnt that true for donald trump who has run a pretty Remarkable Campaign beating 16 other politicians . In 2008 i dont think they were referring merely to the fact that i had won. We were really well organized. We had a great culture that there wasnt a whiff of scandal to how we approached getting elected. We told the truth. I do think that the body of work of a person matters. And i would say that i genuinely believe that there has never been a candidate better prepared for the presidency than Hillary Clinton. Reporter not eisenhower, not George Herbert walker bush . Well, i said more prepared. I didnt say that they were chopped liver. But the skill sets that hillary has are similar to many of the skill sets that they had. She knows her stuff. And more than anything, that is what is ultimately required to do a good job in this office. Reporter president obama with John Dickerson. Well, dont expect Republican Donald Trump to keep quiet during the democratic convention. Hes already talking to cbs news and heres Major Garrett. Reporter with donald trump and allies counterprogramming the democratic convention, ted koppel of cbs sunday morning asked trump what he was thinking when he began this campaign. I have a sense that back on june 16th, what donald trump was thinking was, you know something, i might win a primary or two. I might win the caucus or two. But you know, the worst thing that is going to happen is the brand is going to be improved. Ill be better more famous than today. You never thought you would be sitting here on this day as the nominee of the republican party. I think about it myself, you know. I think i must have, ted. Because i do like to win. And i believe that if i didnt think i was going to win, i wouldnt have done it. So somewhere deep down in the mind, i must have said, im going to win. Reporter trump won the nomination and remains competitive with Hillary Clinton despite skeletal Campaign Staff and uneven g. O. P. Convention and Prominent Party holdouts. Reporter what about the elders, the party elders who didnt show up, the romney, the bushes, the kasichs . Well, look, they are all people i beat, for the most part. I helped mitt romney, but i think i talked him out of running in this race. He lost a race that he should have won. He should have easily beaten a very badly damaged president. And i was very critical of him. That is why he came out against me. Jeb bush, obviously i beat him very badly. Kasich i beat him very, very badly. Kasich was beaten so badly, its hard for people to recover. Reporter trump denied the g. O. P. Convention exaggerated the threat of crime at home or terrorism abroad. I thought it was very optimistic. To me it was an optimistic speech. Reporter what makes it optimistic . Because were going to solve the problems. Were going to solve the problems. Reporter trump also denied he views the presidency as an allpowerful tool of government action. Though his acceptance speech indicated otherwise. Scott, trump and those close to him refuse to comment on the rampant speculation that recently deposed fox news chairman roger ailes will become a trump advisor or take over the campaign entirely. Pelley Major Garrett on our philadelphia political team, major, thank you. Another member of the team is anthony salvanto. Hes our director of elections. Anthony, you have been looking at our polls in the battleground states. And i wonder, did Trumps Convention change the dynamics of the race . He got a small uptick in support, scott. Maybe adding two points across the key swing states, that edges him just ahead of Hillary Clinton. Her support held steady. But what is really telling is where this change came from. Trump threw in a few conservatives who had been undecided before the convention. But virtually no one switched his or her votes from clinton to trump. And that illustrates not just how tight this race is, but also how partisan it is. Pelley doesnt look like a Big Convention bounce. What did the voters tell you that they felt as they watched trumps speech on thursday . Republicans saw this very differently from everyone else, scott. They called trumps speech hopeful. They said they felt enthusiastic. But independents and democrats were more likely to call it pessimistic. In fact, democrats even said it made them feel scared. So trump rallied his base. But the data show he hasnt yet reached too far to voters beyond it. Pelley and the democrats, are they happy with tim kaine . There is indications that they are satisfied. But kaine is largely unknown so that sets up this week as a key chance for him to introduce himself to democrats. But we also asked about other possible picks that clinton might have made like Elizabeth Warren and her name was met with much more enthusiasm, particularly among Bernie Sanders voters. So it looks like Hillary Clinton still has some work to do satisfying those progressive voters if she is going to unify the party at this convention. Pelley anthony salvanto, our director of elections. Anthony, thank you. Cbs news prime Time Convention coverage begins tomorrow at 10 00 eastern time, 9 00 central. Thats 7 00 in the west. Ill be joined by norah odonnell, charlie rose, gayle king and John Dickerson. In another breaking story tonight, explosive wildfires are burning in the west, including two large fires in california, enflamed by triple digit heat and droughtdry brush. What forecasters call a heat dome is smothering much of the nation and heres mireya villarreal. Reporter fire crews struggled to stop the fast moving sand fire from gutting more than a dozen homes. For three days more than 1,600 firefighters have been battling the blaze in temperatures as high as 110 degrees. That fire came through like a freight train. Reporter l. A. County fire chief john trip. All the experiences we have seen with fire, that is all out the window. You got to look at the four major fires weve had in this county in six weeks. We have seen fires explode all over this county. So that ready, set, go program has not worked, folks. Its real. The fire was right here, gigantic flames and houses were circled completely. Reporter steve artland and derek hunt own 650 acres in the affected area. Flames destroyed several structures used in dozens of hollywood films and tv shows like the gambler and knight rider. At some point you know you are defeated and you have to step back and save what you can. We fought as best as we could. Helicopters were dropping water and everybody was out there doing their best to save it. Reporter like california, much of the nation is dealing with overwhelming heat, from chicago to philadelphia, a sweltering heat wave has temperatures lingering well over 100 degrees. Today Race Organizers in new york altered their course because of the extreme heat. The triatheletes found the fastest way to find relief was in the hudson river. Temperatures here in california are a bit cooler than they have been in the last few days. Homeowners were expected to come back home. But an unexpected shift in the winds has picked up the flames that you see right behind me, scott, forcing a lot of these officials to make sure those evacuation orders stay in place. Pelley mireya villarreal, thanks. Coming up next on this special edition of the cbs weekend news, were others involved in the mass shooting in munich . And russias olympic team learns if it will be banned from brazil. Brazil. Pelley police in munich are questioning a 16yearold friend of the teenager who went on a shooting rampage on friday. He killed nine before taking his own life. Seth doane has been looking into why. Reporter German Police said David Ali Sonboly had been preparing his attack for more than a year. The 18yearold was bullied at school, suffered from depression and spent two months in a psychiatric hospital. He apparently shot his nine victims at random. Investigator robert heinberger told us at this point they had not established a clear motive. You say he was obsessed with mass killings. Was there a turning point when you realized that indeed he was planning one himself . We cannot say if there is an exact point in time, he said, but in 2015 he started conducting research on mass killings. Sonboly visited the site of a 2009 mass shooting where another teenage gunman killed 15 people. Police say he was an avid fan of violent video games. But in real life, he seemed timid. He lived just across the street. Yes. Reporter hawkin runs a hair salon near where the gunman lived with his family. He was shy, he remembered. Even when i was cutting his hair, he wouldnt talk much. He wasnt weird, he was just quiet. The teen purchased his glock handgun illegally online and fired 57 shots, including the one to his head, which killed him. The teenage killer wrote a manifesto that was so long the police have not yet been able to analyze it. It appears he was not motivated by any ideology. Scott, the police told us simply he was a young, mentally ill man. Pelley seth doane reporting for us, thank you. Next from philadelphia, will the russians compete in rio . In rio . Pelley russia caught a break today when the International Olympic committee stopped short of banning all russian athletes from the rio olympics because of wide spread doping. Instead, the organizations that run each sport will make the decision on who can compete. Russias track and field team was previously banned and that remains in effect. Baseballs hall of fame inducted two heavy hitters today, ken griffey, jr. Played 22 seasons with the mariners, reds and white sox. He hit 630 homeruns, that was good for 6th place all time. Mike piazza hit a record 396 homers as a catcher, not bad considering that he was picked by the dodgers in the 62nd round of the 1988 draft. Political insight from Bob Schieffer when were back from philadelphia. Philadelphia. Pelley joining us in philadelphia, one of the Founding Fathers of Television Convention coverage, Bob Schieffer. Bob, what does Hillary Clinton have to do here . Reporter well, i think she has to be very careful. Because you know, when donald trump was in cleveland, he really came down hard on terrorism and all that. The people in the hall liked him, but outside the hall, some people were frankly frightened by all of that. And she has to be careful not to totally discount the threat of terrorism. People are worried about terrorism. She cannot discount it entirely just in order to put down him. But the other thing, scott, is the chaos in which this convention is getting under way. I mean this has been a year of surprises, but if you had told me that this convention was going to open in chaos, the Democratic NationalCommittee Chair woman was going to resign over yet another email scandal, and then the clinton people say theyre hearing from experts, this is the fault of russians and that the russians may have been doing this to help donald trump, i mean this is above my pay grade. I dont know i just wouldnt have predicted this. Pelley well, speaking of trump, he hasnt toned anything down. Reporter he has not only not tone