this is the "cbs evening news" with scott pelley. >> rose: good evening. scott is off tonight. i'm charlie rose. the trump-pence ticket split today over endorsing the highest ranking elected republican for another term. prominent members of the g.o.p. are abandoning donald trump for hillary clinton, and party elders are warning he is running out of time to get his campaign on track. but if trump is worried about any of that, he did not show it today. here's major garrett. >> the campaign is doing really well. it's never been so well united. >> reporter: despite that optimistic assessment, those close to donald trump believe his campaign is in chaos. a combination of self-inflicted wounds, conflicting messages, and internal disorganization. that's typified by the clash between trump and running mate mike pence over something as simple as g.o.p. endorsemented. trump has refused to endorse house speaker paul ryan, implying he wasn't strong enough for perilous times but this morning pence, who served with ryan in the house, had a different message. yesterday, trump faulted arizona senator john mccain, a former p.o.w., for failing american veterans. >> i've, you know, never been a big fan of john mccain. >> reporter: pence met with mccain a short time later and again tried to rewrite trump's script. >> senator mccain has provided the kind of leadership throughout his career that has stood up for our military, stood up for a strong america. >> reporter: that's not all. trump's clash with the gold star khan family, his remarks seeming to downplay sexual harassment, and his suggestion the november election could be rigged have given even ardent supporters like newt gingrich cause for concern. the former speaker told us: those with direct knowledge tell us trump campaign manager paul manafort has given up trying to shape or discipline trump's rhetoric, confining himself to day-to-day campaign mechanics. >> first of all, the candidate is in control of his campaign. that's number one. and i'm in control of doing the things that he wants me to do in the campaign. >> reporter: as the campaign faulters and trump's remarks have drawn even more scrutiny, prominent republicans have begun turning to his democratic opponent. top g.o.p. donor and hewlett packard c.e.o. meg whitman said on facebook, she will raise money to elect clinton, branding trump a demagogue who has "undermind the fabric of our national character." gingrich also told us he's still 100% with trump and believes he can weather the current storm. charlie, gingrich also scoffed at talk of an intervention to get trump to change campaign tactics, arguing the idea of outside advisers prevailing on a 70-year-old billionaire supremely confident in himself was fairly ridiculous. >> rose: thanks, major. so, donald trump, has once again made himself the center of attention and nancy cordes tells us that's just fine with hillary clinton. nancy. >> reporter: charlie, ordinarily this would have been a challenging week for the clinton campaign. you had several d.n.c. officials resign, more fallout from the hacking controversy, and clinton's honesty over her e-mails was called into question yet again after an interview she did with fox. but the sheer number of unorthodox comments made by trump just this week has really been a boon to the clinton campaign. they'll admit it themselves, overshadowing some of their bad news. clinton herself continues to go after trump's business record. she visited a tie factory in colorado today to make the case that trump doesn't have to make his ties and other articles of clothing overseas. what's most heartening to democrats i talk to, charlie, is the fact that trump isn't just starting damaging new fused, he is revisiting old ones. just today, for example, he brought up his issues with megyn kelly of fox even those his advisers have urged him time and time again to let it lie. >> rose: thanks, nancy. john dickerson is here, our cbs news political director and moderator of "face the nation." john, tell me about these attacks and what the ramifications are. >> reporter: the trump campaign has always said the big question for him is if people think it's too risk tow elect donald trump as president. the ramifications here are if people have concerns about his temperament. and what's different here is the criticisms are coming not just from the usual suspects. it's not just opponentes of donald trump. it's not just reluctant supporters. but now people like newt gingrich, who is a supporter of donaltrump, is sending this war. mayor giuliani has said a similar thing, and governor chris christie. all of his supporters are waving the warning signs and telling him he needs to change course. >> rose: he's taking friendly fire. is there the possibility of going to the point of no return? >> reporter: the answer to that question if this discipline that people like can the new want to see from of from dump, can he get that discipline and overcome the questions he hases raised about his temperament, the second question is does he want to turn the ship around? does he have the inclination and does he have the steering wheel this his hand to actually turn it around? the question is not are we past the time but does he want to turn it around. >> rose: when you talk to people at the state level what, do they say? >> reporter: i dialed around today and first there was a lot of gallows humor. "cass of chaos "is a word that is used. and they worry about if this is lake of discipline in the candidate nape worry about the discipline to do the hard business and the hand-to-hand fighting needed to win in 15 battleground state. the clock is ticking. voting in ohio begins basically in two months. >> rose: thank you, john. while campaigning in florida today, trump attempted to capitalize on a report that the obama administration sent $400 million in cash to iran in january. the timing of that transaction has some crying foul. here's margaret brennan. >> reporter: donald trump joined republican leaders in accusing president obama of paying ransom money to iran. >> we paid $400 million for the hostages, right. such a bad precedent, such an unbelievably bad precedent by-- set by obama. >> reporter: the u.s. transferred $400 million to iran last january around the same time that iran freed four american prisoners, including journalist jason rezain. according to the "wall street journal," a cargo plane landed in tehran loaded with stacks of cash, including uros and swiss francs. u.s. sanctions forbid using american dollars in any transactions with iran considered the world's largest state sponsor of terrorism. >> that's false. >> reporter: today the white house spokesman adamantly denied that the $400 million was ransom money. >> no, it was not. it is against the policy of the united states to pay ransom for hostages. >> reporter: administration officials say they were simply returning money that had been tied up in a 35-year dispute which the president addressed earlier this year. >> iran will be returned its own funds, including appropriate interest, but much less than the amount iran sought. >> reporter: charlie, republican skeptics charge that despite all the diplomat breakthroughs, iran is still in the00-taking business and point out they are still holding four u.s. residents as prisoner. >> rose: thanks, margaret. tonight, there is more troubling news about zika. 33 members of the u.s. military are believed to have contracted the virus overseas. one of them is pregnant. 15 people in south florida were infected, apparently through mosquito bites. david begnaud reports the state is now at war with mosquitos. >> reporter: before dawn this morning, the plane used for aerial mosquito spraying was grounded in miami due to weather, another attempt will be made tomorrow morning. health officials say targeting breeding grounds is key to reducing the mosquito population. today, workers in miami-dade county inspected 38 homes. five had larvae on the property. >> this is just the preventive measures. >> reporter: in the wynwood neighborhood of miami, police were handing out zika flyers. today, mime's mairk tomas regalado, walked the streets proclaiming it was safe, despite a c.d.c. travel advisory recommending pregnant women stay away from this area known as zika zone. you think it's safe for pregnant women to come here? >> i think it's safe now because i don't think there is mosquitos here. >> this is an urgent need. >> reporter: the mayor said he has spoken with florida's governor rick scott about the travel advisory. did the governor convey whether he wants the travel advisory for this area? >> he does not want the travel advisory. he thinks that that's unfair. >> reporter: based on what the mayor said, we called the governor's office, but they would not respond directly to the mayor's remarks. charlie, effective immediately, pregnant women can get a zika test for free. all they have to do is go to a county health department anywhere in state. >> rose: thanks, david. today, the obama administration sent an urgent letter to congress, warning that unless there is quick action, funding for the fight against zika will run out in a few weeks. the n.i.h. has just begun a new vaccine trial and dr. jon lapook is here with more about that. jon, tell us exactly what this trial will do. >> reporter: well, charlie, if this vaccine works it will be a very big deal. yesterday the first of 80 healthy volunteers got vaccinated. now they're between the ages of 18 and 35, men and women, not pregnant but they're at an age where they can be thinking about it. and the main idea will be to test the vaccine for safety and see if it can prime the poddy to fight zika virus. >> rose: when will it be ready. >> reporter: dr. tony fauci said not until 2018. unless there is new funding from congress, which hasn't happened so far, the vaccine trial will run out of money and they will not be able to proceed to the next phase. >> rose: if the vaccine is successful, it will end zika? >> reporter: well, an ounce of prevention is worth a pound of cure. imagine what it would mean for all the women around the world in area where's there is active zika and think about what an effective and safe vaccine will mean in terms of stopping the spread of zika but also peace of mind. >> rose: thank you, jon. we have more information about zika on our web site. go to cbsnews.com/zika. terrorism is not suspected, but we don't know yet what caused a crash landing today in dubai. an emraits airline jet burst into flames. but everyone got out alive. elizabeth palmer is following this. >> reporter: skidding down the runwayots belly, the first video of emraits 521 shows it billowing smoke. minutes late, it exploded. just before that explosion, smartphone video inside the cabin shows alarm but no panic. some people even take town their suitcases. but 60 seconds later, the cabin crew is sounding desperate. "leave the luggage" she's shouting. "jump!" outside, you can see the neighboring emergency chute, apparently unusable. still, the 282 passengers all got away safely amazing as not all the exits were working. in fact, a passenger told cbs there was only one. >> everybody got out through one way. single door. nobody get out from any other place. >> reporter: emraits says there is no evidence this was a terrorist attack. rather, extreme heat and wind sheer or turbulence may have been a factor. charlie, in an audio recording we've heard, the control tower gives the pilot on his final, final approach permission to land, and then 20 seconds later tells him to climb to 4,000 feet. it was moments after that, that the plane hit the runway hard. u.s. crash investigators are now heading to dubai to help in the investigation. >> rose: elizabeth palmer in london, liz, thanks. a police officer who works for the washington, d.c. subway system was charged today with trying to send money to isis. he is the first law enforcement officer to face federal terrorism charges. more now from jeff pegues. >> reporter: the transit police officer who appeared in court today was already in cuft when investigators swarmed his fairfax, virginia, home. nicholas young may have been expecting this day. according to court documents, five years ago, he told an undercover officer that if law enforcement ever searched his home, "they would have issues," because he was "stockpiling weapons," and what is what amphetamines, blift vests and assault rifles were for." authorities do not believe young was planning an attack on washington's transit system, but strgzs allegation eallege he was providing financial support to isis. according to court papers, young bought gift cards to give to isis operatives who he thought would use for untraceable mobile messaging accounts. he actually was giving them to the f.b.i. he allegedly wrote, "glad it came through. getting rid of device now." six years ago, young turned up on the f.b.i.'s radar because of his association with known terrorism suspects, including a man who was arrested in 2012 for plotting a suicide bombing in the u.s. capitol building. charlie, the court has not yet appointed an attorney for the suspect. >> rose: thanks, jeff. someone's coming up with a way to prevent telemarketers from getting through. we'll have that next. so please hold. it releases a cooling sensation in your mouth and throat. zantac works in as little as 30 minutes. nexium can take 24 hours. try cool mint zantac. no pill relieves heartburn faster. get between you and life's dobeautiful moments.llergens flonase gives you more complete allergy relief. most allergy pills only control one inflammatory substance. flonase controls 6. and six is greater than one. flonase changes everything. ♪ our biggest event of the year just got better! ♪ i'm free to do what i want and have a good time. ♪ announcing zero for seventy-two across the entire lineup of ford cars, trucks and suvs. so hurry in for 0% financing for 72 months. that's freedom from interest... and freedom to choose with ford. america's best selling brand. ♪ i'm free, baby! now get 0% financing for 72 months across the entire lineup of ford cars, trucks and suvs, during the ford freedom sales event. >> rose: it happens right about now. you're just sitting down to dinner or watching television, and the phone rings. it's a robocall or a telemarketer, or worse, a con artist. phone scams cost americans $350 million a year, but now, there may be an answer to those unwanted calls. here's jim axelrod. >> reporter: it's hard to think of anything more irritating than the robocall. those computer-generated calls that always seem to come at the worst time, trying to suls something, if not scam us outright. in the first four months of this year, american phones received somewhere near 10 billion robocalls. that's a record pace and explains why complaint to the federal trade commission are up 50% this year. >> these crawlz abusive and they're illegal. >> reporter: lois greisman is with the f.t.c. >> some of the calls, though, are fraudulently pitching goods. they're offering something that doesn't exist. >> reporter: what about the f.t.c.'s "do not call" list? that's not proving to be much of a deterrent for scammers. >> you can see here there's seven, eight, nine calls in the same second that came in that were blocked. >> reporter: which is where aaron foss comes in. >> we have antivirus on our computers. our servers are protected by firewalls. e-mail has spam filtering but we don't have anything protecting our voice calls. >> reporter: he developed nomorobo, software that detects high-frequency calling patterns, and hangs up before you have to deal with it. >> that's going to make a test call. so now that's protected. >> reporter: no more robocalls come to this phone? >> will ring once on this phone and stop. >> reporter: which is going to make aaron foss one popular guy. >> when it first started it was answering 1,000 an hour. now at answering almost 39,000 an hour. >> reporter: nomorobo answers 39,000 calls an hour? >> yeah, it's crazy. it's unbelievable. >> reporter: so what does protection from robocalls cost? while the major carriers and the fcc are currently hashing that out, aaron foss' costs nothing to install on your landline, and as for your cell phone, the nomorobo app goes for roughly five bucks a month, charlie. >> rose: sounds hike a bargain. thanks, jim. when we come back, pitch perfect. joints from further damage. this is humira helping me go further. humira works for many adults. it targets and helps to block a specific source of inflammation that contributes to ra symptoms. doctors have been prescribing humira for over 13 years. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal infections and cancers, including lymphoma, have happened, as have blood, liver and nervous system problems, serious allergic reactions, and new or worsening heart failure. before treatment, get tested for tb. tell your doctor if you've been to areas where certain fungal infections are common, and if you've had tb, hepatitis b, are prone to infections, or have flu-like symptoms or sores. don't start humira if you have an infection. ready for a new chapter? 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>> it's leaning 15 inches out towards the west from here. >> reporter: the seven-year-old millenium tower has been home to sports excellents like joe montana and hunter pence. it's the symbol of the runaway real estate market in san francisco and rated one of the top residential buildings in the world. >> the problem is, i guess, that the building is not tied into bedrock. >> reporter: ray sullivan is a geologist with san francisco state university. he leads tours of the city's sinking and leaning buildings. and when it comes to the millenium tower-- >> i would be concerned if it accelerates, and the tilting continues. >> reporter: it turns out, san francisco's leaning tower has a lot in common with the world's most famous leaning tower of pisa, where engineers used a counter-balance to help straighten it. but millenium has discussed any plans fair fix. in a statement, millenium partners says: the company blames a new transit center across the street for destabilizing its luxury tower. there's a lot of finger pointing going on right now, but the one fact remains-- if they had drilled pilings down to bedrock, would we be here? >> no. that is the heart of the problem. >> reporter: and the solution is still on shaky ground. carter evans, cbs news, san francisco. >> rose: that's the cbs evening news. for scott pelley, i'm charlie rose. thank you for joining us. hope to see you first thing tomorrow on "cbs this morning"." good night. i'm hillary clinton and i approved this message. who do you talk to for military advice right now? well, i watch the shows. i mean i really see a lot of great - you know, when you watch your show and all of the other shows... while donald trump watched tv, as secretary of state, hillary clinton negotiated a cease fire in gaza. a reduction in nuclear weapons... took on vladimir putin... and stood up against the trafficking of human beings. a steady leader in an unsteady world. ♪ shot in the neck with a flaming arrow on live tv. we're backstage after the "america's got talent" disaster. >> what went wrong? >> i was very worried for this guy. plus -- >> it's embarrassing. >> sharon osbourne's tears. breaking her husband is going to sex rehab. what ozzy's former mistress is saying now. then orlando bloom's nude photos. on a sexy vacation with katy perry. also, chad's "bachelor in paradise" epic meltdown. "e.t." behind the scenes.& what really happened? >> it wasn't pretty. plus jon gosselin's life after reality tv fame. >> i don't really talk to my ex-wife. >> is he being kept away from half his kids? and you've got to be kitten me. we're with social media's most popular cats as they become movie stars. >> right, little bump? [ meow ]