A deep dive to see scientists trying to save a national treasure. Onicing coec. The histical archives. Theres a lot of hope in these boxes. A lot of ohope. This is the cbs overnight news. Good evening. Es for im elaine quijano. President trump started the day with new attacks on Elijah Cummings and his district in baltimore. The response from many others including the Baltimore Sun has been scathing. Reporter President Trump defended his twitter it tirade against Elijah Cummings saying there is nothing racist in stating plainly what most already know that hes done a dayable job for the people of his di district and baltimore itself. The president called the city a disgusting rat infest rodent mess and nobody would want to live there. This is being perceived as racesest. Do you understand why . I understand why but that doesnt mean its racist. Reporter and said they called cummings over over perceived conditions following his dressing down off the acting head of homeland security. What does that mean when a child is sitting in their own feces . Cant take a shower . Come on, man. Reporter in baltimorer the local Sun Newspaper slammed the president in an editorial with the headline better to have a few rats than to be one. And said at some point you have to address the stupidity of it. City officials also took aim. Its unfortunate the president of the United States, the leader of the free world can go to such lows. Es for. Reporter this is drawing comparisons on the recent attacks of congresswoman to quote go back to their own countries. Some republicans have trouble defending the president. Is that president ial leadership . I look i i didsant do the tweets. And breaking news at the white house. Reporter thats right. A short time ago President Trump tweeted he is nominating texas congressman john rat cliff for the position off director of National Intelligence, succeed dan coats the president says will be leaving and he thanks him for his service. Nicole, thank you. Es for. Er there are new details of the two amaycons accused of murder following the stabbing death in italy. It contravrszy showing one of the suspects in custody blind folded. Es for in rome. Reporter mourners lined up to pay respects today. Stabbeds to death while on duty friday. Hyde just reten itted from his honeymoon and was known for his charity work. He was a fantastic man. Es for very generous. Reporter the Police Officer was killed during a scuffle with the two american teenagers. Who Italian Police say confessed. The arrest warrant details how elder pulled out the knife and he denies seeing the knife. They can be charged for it even if they didnt carry out the killing. Photo showing him blind folded sparked debate today. He said the interrogation was free of duress. The elder fam say they havent spoken with their son since friday. And adding theyre working with the u. S. State department that has not been granted access to fin. Held in solitary confinement have been school mates. Ive always known hes a bit of a bad guy. Reporter italys deputy Prime Minister tweeted he hopes the killer never gets out of prison. The line of those paying tribute wraps around the block and only continues to grow. A funeral is scheduled tomorrow in the very same church he was recently married. Es for meanwhile the american teej teenagers are sitting in prison as this investigation continues. It is likely to be months before they are officially indicted. Its been another sunday off pro democracy protests on the streets of hong kong. But today the violence intensified. In hong kong in the thick of off it. Reporter for the second night in a row hong kong streets exploded. Thousands of protesters again defied police and took over portions of the citys western district. Venting the anger at their gumpgt and beijing. But police were ready and responded faster than in the past two months. Theyre running into the protesters. Oh, oh. Okay. Tear gas being fired. Here we go. Reporter police broke through the protest line and arrested anyone they could. 49 in total tonight. The most yet. But it wasnt over. Block by block they cleared the streets. Each time protesters regrouped and retrenched, fighting to be heard. We dont actually reporter soldiering on they threw back tear gas fired at them but they couldnt told the police back. And right now an order has been given by the riot police to advance quickly on the protesters. Reporter the chaos has plunged hong kong, a city more known as asias financial capitol into the worst political crisis since they were handed back from uk. The government has condemned them as radicals. Reporter with each passing week of chaos, one hong kong legislator says he fears for the future off hong kong itself. Cbs news, hong kong. The cbs overnight news will be right back. An emergency meeting was held in vienna today trying to salvage the Iranian Nuclear deal. Heres roxanna suvary. Reporter todays talks started would a sense of urgency. But ended without clarity. I cannot say that we loved everything but i can say that there are lots of commitments. Reporter commitments to the 2015 nuclear deal negotiated under obama. Since the drutrump administrati resumed sanctions, teheran has resumed Nuclear Activities and today announced it would reactvate this heavy Water Nuclear react. Something that could be used for nuclear fuel or bombs. Adding to the conflict are tension over tankers. Earlier this month they seized a tanker off the coast of gibraltar on the suspicion of selling oil to syria. Two weeks later teheran captured a british tanker in a vital shipping route and then theres the battle oivr drones. In june they shot down a u. S. Drone, nearly leading President Trump to retaliate with u. S. Air strikes and the top commanderer said this u. S. Assault ship may d tnis. Weir are confident we have brought down one, we may have brought down another drown. Drone. Reporter the risk of miscalculation is rising and so are the worries of war with iran. And authorities seized four tons of cocaine during air, sea and air raids in the pacific mp nearly 4,000 pabages of cocaine were take what is the thurtd Successful Operation this year five columbians wuarrested. What started as a simple ship to the store has turned into something much bigger for an arkansas mom and her family. Reporter carry was shoe shopping with her children when her grade daughter made request. She has the biggest heart and she said theres a boy in my class who loves avengers and his shoes are too small. Could you buy him a pair . And said of course. As i was check out i said how much for the rest of the shoes in the store almost joking . Their timing was perfect. Payless was liquidating the store. And she finished checking me out and said can i have your number . If she really wanted to, she could buy out the store, 1500 pair. And next thing you know were trying to figure out hget almos 1500 pair off shoe home with us this day. Ahead off School Starting theyll give every pair away to a child or adult in need. It just reittates to me her hearts in the right place and if their heart is in the right place, they can do amazing things. Reporter cbs news, los angeles. The worlds smartest dog is 16yearold boder collie names chaser has died. Figure eight, figure eight. Good girl. Thats figure eight. Chases owner spent hours a day over years teaching the dog to understand not only words but full sentences. Chasers voke abialry grew to 22,nouns. Later new yorks finest saving lives and gas and a rare flight attendants when you have nausea, heartburn, indigestion, upset stomach, diarrhea. vo try new pepto liquicaps for fast relief and ultracoating. flight attendants nausea, heartburn, indigestion, upset stomach, diarrhea. vo get powerful relief with new pepto bismol liquicaps. A womens natural lubrication varies throughout her cycle. This can effect how pleasurable sex can be. To supplement your lubrication for even better sex try ky natural feeling. The lubrication you want, nothing you dont. Ky natural feeling get what you want a mysterious disease killing floridas coral reef. Scientists are in a race against time to save a national treasurer. Something is killing the coral that lives along the florida coast. And these divers are part of a laststitch effort to try to save it. So this is unprecedented. Reporter because of the speed with which the disease attacks and kills almost thankful had species on floridas reef. The pandemic has lasted five years so far when most last just a year or so. And unprecedented because they say the coral is already threatened by warming Ocean Temperatures and so is more vulnerable to whatever the mystery disease is. Its an infectious water born disease and we dont know how it stated orrer where it originated from and we know its traveling a pretty fast rate down the reef tracks. The bug or whatever it is was fist discovered off miami in 2014 and has been on a relentless, lethal march north and south ever since. In just five years the disease has travelled north of palm beach, 350 miles to key west and its still moving. But it hasnt hit the relatively Pristine Waters of the drive yet. And so a bold rescue effort is underway. Scientist its from noah, florida wildlife and the university of miami have begun to do what is normally the worst thing you coo do on a reef, theyve been chipping off Healthy Living coral before the disease gets to it. Theyve been collecting it on a Research Vessel where its catalogued. This ones three and a half centimeters. Reporter saved so when, if the disease passes, the coral can be replanted and its hope the reef system can be restored maybe. These with will serve as the brewed pop ylgsz to then make more babies. Reporter once the disease has passed through and gone . Yes but even to do this process weir are looking at another two to five years its a long journey. Reporter a journey whose next stop is at the university of of miami and other facilities across the south to wait. Reporter we just had the warmest month on record in miami, florida. And that was june 2019. But the fact were breaking records in june is really alamming. Reporter unless and if the disease stops killing the coral, theres no point and nobody can say when or if that day might come. Marcels reporting. Still ahead the fast and fuel efficient. That i won the best of i casweepstakes it. And i get to be in this geico commercial . Lets do the eyebrows first, just tease it a little. Slather it all over, dont hold back. Well, the squirrels followed me all the way out to california and theres a very strange wato savndredsdollsei me. Nobet mr. Big shots got his own trailer. Wheeeeeee believe it geico could save you 15 or more on car insurance. Ok ill admit. I didnt keep my place as clean as i would like cuz im way too busy. Whos got the time to chase around down dirt, dust and hair . So now, i use heavy duty swiffer sweeper and dusters. For hardtoreach places, duster makes it easy to clean. It captures dust in one swipe. Ha gotcha and sweeper heavy duty cloths lock away twice as much dirt and dust. It gets stuff deep in the grooves other tools can miss. Yknow what . My place. Is a lot cleaner now. Stop cleaning. Start swiffering. New york city finalists will soon be saving gas. The nypd is among the first in the country ecifically police cars. Reporter it sure sounds like your typical police car and it but this ford fusion based Police Responder sedan could be a game changer. The first true hybrid built specifically to be a police car. Ford estimates it will save 1500 billions gallons of fuel per car per year. Were hoping to phase out all of our purely Combustion Engine vehicles that we have on the road today. Reporter that will reduce emissions and cut fuel costs. Right now the nypd spends 15 million a year on gas for its 10,000 vehicles. Helping us is longtime nypd driving instructor. You drive a car a little bit harder than your average driver . This is not going to be the car that mom or dad would pick up her groceries in. Drive like this to the Grocery Store . I hope not. Reporter the blue and white, green has taken a decade. The nypd started test itting retrofitted hybrids in 2009. They improved fuel economy by 2 3 over the gasfuelled cruiser. Was that on the radar that they would want a hybrid race car . No, that was me thinking out of the box. Reporter he says the interceptor suv is faster and more fuel efficient than the gaspowered model its replacing. The engine is shutting off for pea ideas of time. Fewer trips to the pump. Reporter five hours ford estimates the police car spends idling during a shift. And this allows the gas engine to turn off, saving more than 900 gallons a year per cruiser. The taxpayer is going to hear that j go if thats the best use of the money. Reporter so you spend more up front but with fuel savings alone youll absolve that additional payout. Reporter the nypd plans to buy hundreds of the sedan. Officer marcos is one of the first nypd officers to drive the new suv. And do you have any idea . They think pres. But this is not the case with this car. Definitely doesnt drive like a pres. I was skeptical too until i got my hands on it. Reporter chris van cleev, cbs news, brooklyn. The cbs overnight news. [beeping] [woman on pa] introducing togos new hot chicken trio. The new brewpub chicken with grilled chicken, bacon, and fresh avocado. The hot buffalo chicken with franks redhot wings sauce. And the tangy barbecue. The new hot chicken trio at togos. How far would you go for a togo . [woman on pa] finally tonight the iconic Photo Archive off jet magazine has a new owner. 30 million purchase insures the images stays in public sight. Reporter the images are 70 years of american history, immortalized on to lofty pape, mostly in black and white. The prize winning photo off Martin Luther king wife and daughter at his funeral. Muhammad ali stinging like a bee and a krooning james brown. They humanize celebrities and celebrated regular people. Itser the essence of the black story in amay cu. Reporter carry is president off chicagos museum of africanamerican history. Did you grow up reading ebony magazine . I sure did. Youd be hard pressed to not go in a black home back in the day and not see a current edition of ebony or jet. Reporter declining subscriptions forced them to put their prize winning collections up for saukz. Arctivist vicki wilson gave us rare access to the files. No finger prints allowed. Where can you find an image like that . We travelled with the freedom riders. Reporter when he posted the disz rbing open casked image of kid lynched and beaten in 1945. She was thinking of till when she refused to give up her seat, rosa parks. What happens if it goes into private hands . If it goes into oh reporter are you okay . You still get emotional because you feel a connection because of of what they have covered over the years. Reporter a history preserved in time heading to an unknown place. Adriana diaz, cbs news, chicago. And thats the ovnite news for this monday. For some of you the news continues. For others check back later for the morning news and cbs this morning. From the Broadcast Center in new york city, im elaine quijano. Welcome took the overnight news im elaine quijano. President trump is responding to new acusitions of racism. In a tweet he criticized maryland representative, Elijah Cummings. He described the majority black district in the Baltimore Area as a disgusting rat infested mess. Reporter President Trump defended his twitter tirade against maryland congressman Elijah Cummings saying sunday there is nothing racist in stating plainly what most already know that Elijah Cummings has done a terrible job for the people of his district and baltimore itself. He doubled down after calling it a disgusting rat infested and rode rodent mess and nobody would want to live there. I understand why but that doesnt mean its racist. The president is pushing back what he sees as wrong. Reporter he says the president called cummings out over perceived conditions along the southern border. Following his dressing down off the acting head of homeland security. What does that mean when a child is sitting in their own feces . Cant take a shower . Come on, man. Reporter in baltimore the local Sun Newspaper slammed the president in a headline better to have a few rats than to be one. And told cbs news at some point you just to have address the stupidity of it. City officials also took aim. Sglrbs its a pity the president of the United States can speak to such low. Reporter the controversy is drawi drawing comparisons to telling american citizens to go back to their own country. Some republicans have trouble defending the president. Is that president ial leadership . Well, i look, i i didnt do the tweets, chuck. I cant talk bout what he did what he did. And theres breaking news at the white house tonight . Reporter thats right. A short time ago President Trump tweeted hes nominating texas congressman John Ratcliffe for the director of National Intelligence and would succeed dan coats who the president says will be leaving august 15th. He thanked coats for his service. Back to you. Nicole, thank you. Frmgt there are new details about the two american teenagers accused off murder. There is also controversy including this leaked photo showing one of the suspects in custody blind folded. In rome. Reporter mourners lined up to pay respects today. And Mario Cerciello rega was stabbed to death and just returned from his honeymoon and known for his charity. He was a fantastic man. Very generous. Reporter he was killed during a scuffle with the two american teen