>> this is "bbc world news america." nding of this presentation is made possible by the freeman foundation, and kovler foundation, pursuing solutions for america'sed neglected in planning a vacation escape that is relaxingting, and exciting is a lot easier than you think. you can find it here in aruba. dsmilies, couples, and fri can all find their escape on the island with warm, sunny days, cooling trade winds, and the crystal blue caribbean sea. nonstop flights are available

from most major airports. more information for your vacation planning is available at aruba.com. >> and now, "bbc world news." laura: this is "bbc world news america." reporting from washington, i amv laura yan. president trump calls northll korea's gness to talk about giving up its nuclear weapons a positive step, but remains cautious. president trump: i really --ieve they are in they are sincere, i hope they are sincere. we will soon find out. laura: u.k. warns it willy respond robuf the kremlin is behind the poisoning of russian agent and his daughter. and she couldn't take her eyes off michelle obama. now this lucky tellehas had a -- this lucky toddler has a h dance party with the former first lady.

welcome to our viewers on public television in america and around the globe. could it be ti for north korea and the u.s. to talk? after months of tensions, kim jong-un has hinted he is willing to start discussions about dismantling his nuclear weapons, but only if his cntry's safety is guaranteed. today president trump claimed credit for the move, pointing to uthe tough sanctions by t. and u.n. the bbc's nick bryant starts our coverage. nick: normally it the from the a saber north korean leader, now a war akshof the hand. on state television, the schmaltzy soundtrack doubled as leplomatic mood music as kim jong-un greeted a tion from south korea. he has apparently offered to abandon his country's nuclearl arse return for security guarantees from the united states, the first time he has

proposed that kind of deal, andn also to sunuclear and missile tests while it engaged in talks. o wonder these longtime adversaries partsuch cordial terms. it is the most significant overture in a decade. the response from president trndp in washington, caution self-congratulation. >> to wh do you owe this recent openness to talks? president trump: me. no, i think -- nody got that. i think they are sincere, but i think they are sincere because these sanctions and what we are ing with respect to north korea, including the great help we have been given from china,ey and an do more, and i hopein they arere, and we are going to soon find out. nick: north korea's nuclear d missile tests have presented the trump administration with its gravest foreign policy

challenge, and he has responded twith sanctions and toughk. president trump: they will be met with fire and fury like the world has never seen. rocket man is on a suicide mission for himself and for his regime. ill seeext month, we more joint military exercises between the u.s. and south korea, drills which pyongyan has always regarded as a dress rehearsal for more. washington has said that the military option would be on the table until sees credible, rifiable, and concrete steps towards north korea's denuclearization. there is a sense in washington that we've seen this movieat before, orth korea has engaged in talks with previous administrations while at the n me time developing weapons that could threast coast cities like new york and washington. but there is also a sense of self-satisfaction that donald trump's hard-line, "fire and fury" stance towards pyongyang is working. nick bryant, bbc news, at the

white house. laura: for more, i was joined a short time ago from boston by the former undersecretary of state for political affairs nicholas burns the president says north korea is sincere in wanting to talk and puts it down to sanc do you agree? nicholas: i think the president is right that the sanctions had a lot to do with this. the u.s.it sanctions, the nations sanctions, and t particularly, laura, we chinese have done. they have done a lot more under prodding from president trump. he is right to say tha a sanctions plig part. whether the north koreans are serious or not, we we. i served in the clinton and george w. bush administrations, and the north koreans turned out to not be serious. is was the father and grandfather of kim jong-un. laura: if north korea wants the u.s. to suspend the military drills with south korea as a price for talks, is that going to drive a wedge between washington and seoul? nicholas: one of the ambitions

of the north korean leadership is probably to drive a wedge between us, to separate korea, led by a president from e peace party, to separate south koreans from washington.'. there has to be unity among washington, tokyo, and seoul if we proceed to effective talks. one of the questions for south korea is do we continue, do they continue with military exercises? it is not a bad idea to reaffirm policy of the united states, that is that we will defend south korea and japan shouldat they bcked. we are obviously prepared to do that. to remind the north koreans of that would be smart negotiating. laura: why would talks work thi time come when said, and you are a veteran, they simply haven't before? what changed? nicholas: it could be that kim jong-un believes they have made stfficient progress through the nuclear tests, bal missile tests, and other related work

they have been doing to build a nuclear weapon that can reach the continental united states. if he feels that way, and if he is under pressure from beijing, and i think beijinhas come around to press the north koreans in a very tough way -- m feel this is the best tactical move. but the south korean statement that initiated this said that the north was ready for talks ao as the military security was going to be protected. the north koreans may mehe they wantnited states to leave the korean peninsula. they may ask for other concessions that the south koreans, the japanese, and the g americans canne. the devil will be in the details, but this is a positive step forward. it makes sense for the united states to want to have a acgotiation, diplomatic co with this isolated regim before we consider the use of force. laura: what is a nuclear armed north korea something we have to live with? nicholas: well, i n't think that is where the trump

administration is starting, and they should not start there. they should continue to insist on what the united natio insists on, the denuclearization of north korea. but kim is in a strong position here. he has nuclear weapons and is determined to keep them.yo at thawill see, laura -- i thinks you will see, laura, ta about talks, but to denuclearize the north korean arsenal will be a tall order indeed. g ura: nicholas burns, thank you so much for join. nicholas: thank you. laura: u.k. counterterrorism officers are in chargee ctvestigation into the sus poisoning of a former russian agent who once spied for britain . sergei skripal and his daughter suddenly fell ill yesterday in salisbury. they remain in critical condition. military scientists are testing samples of the substance that may have caused their illness. tom symonds has the latest. tom: a father and a daughter apparently struck down in public on a sunday afternoon in salisbury.

the bbc revealed today that she had been visiting her father from russia when it happened. they were left fighting for their lives. >> the eyes were just completely hite,, wide-open but just frothing at the mouth. the man, his arms stopped moving. still loing get straight. -- looking dead straight. tom: cctv images obtained by the bbc appear to show mr. skripal and his daughter walking together at 15:47 sunday afternoon. they were heading for a small park in the center of salisbury. camera, which capture these pictures, is yards from where they were found. police were called at 4:15 when people reported the pair were unconscious on a park bench. la night an italian restaurant nearby was sealed by police, followed today by a local pub. did someone put something into their food or drink? for the police, this is a highl

sensitd potentially hazardous investigation, not least for the officers involved. the key question, of course, iub what was theance that left a father and his daughter in such a terrible condition on the park bench, covered by the tent behind me? there will be toxicology reports prepared, but we understand seral police officers were admitted to hospital. one has been kept in. symptoms include breathing difficulti and itchy eyes. experts at the research facility are now involved, testing for a .ide range of substanc >> from things that are chemically toxic to things that are radiological. i think people will have an open mind. they will be looking at what is in the environment, what is on the clothing, on tn of the the people, and what is in the blood and urine and any other

sample. tom: so for the police force has led the investigation, but that changed today in a significant development. the metropolitan police confirmed in unusual circumstances that t counterterrorism network will be leading the investigation, as it has the specialists, capability, and expertise do so. tom: as the foreign secretary made clear in parliant this afternoon, this incident could ritain'scationsor relationship with russia. >> should evidence emerge of state responsibility, her majesty's government will respond appropriately and robustly. tom: sergei skripainwas arrested 004, accused of spying for mi6, convicted, and in 2010, handed over to britain as part of a spy swap' sergei skripals wife, elder brother, and son have died in recent years, the family believes in suspicious circumstances. he has been living quietly here,

vigilantnd fearful of russian intelligence, relatives said, but under his own name. he would not have been hard to find. tom symonds, bbc news. laura: 800 people have been killed inyr then region of eastern ghouta t in the pa weeks, according to a monitoring group. elit is the last rtronghold and is being bombarded by government forces. russia's military, which supports the syrian government, has offered civilians a safe passage out. the rebel fighters have so far rejected this proposal. our middle east editor jeremy bowen reports. jeremy: it was another day in the life and death of .stern ghouta the bbc has been following this doctor, a pediatrician, in an underground hospital through the worst days of attacks. is was filmed for the bbc. the syrian government will not allow us into the enclave. the doctor and her colleagues were dealing with the results of

airstrikes on a market. re than 20 dead and 90 injured. >> the hospital is stuffed with injured people,anncluding women children. the brain injuries include brain damage, fractured and amputated limbs. a child's arm was amputated. some children were seriously wounded. others we killed. jeremy: the doctor examined a boy who had been brought in, presumed dead. she found a pulse. they went to work to get him to breathe. rhe wushed into intensive care. but it was a false hope. a few hours later, he was dead. in a siege, surrounded byal casues, the world shrinks to a few essentials. the most important is survival.

living through this day, perhaps a chance to start another.ie on the battl, the syrian army, helped by russia, has been advancing. resistance seems to be collapsing. the trucks that took aid into the enclave were forced out by shelling, with 10 out of 46 still unloaded. u.n. aid workers said civilians were terrified, angry, and many wanted to get t, but couldn't. >> they feel that they are being blocked. erare snipers sitting at checkpoint exits. they are very unhappy with their own groups inside. also, the narrative that is very strong among elders and leaders is this is our place, we are not moving out from here. jeremy: a russian general said his men would guarantee theci safety olians who wanted to get out. and he said fighters could leave

with their personal weapons and in unity. rublian troops are very visie around the war zone. moscow has given the syrian army the firepower to break into rebel strongholds. on the front line around eastern ghouta, most of the troops were syrian, but the russians were there alongside them. russia is now the most important foreign power in this war. president putin was given eqlin biwith president assad indisposition. -- in this position. the russians are preparing for the day after. it looks as if the endgame is approaching for the armed opposition in eastern ghouta. elsewhere in the country, rebels s ill control territory, though not nearly as muchfore. and fighting goes on. it is particularly fierce at the moment near the turkish bord. syria's war is changing, but it is not ending. jeremy bowen, bbc news, damascus.

laura: tonight it has been announced that the director of the white house's economic council, gary cohen, is resigning. the move comes aftp president trys he would introduce stiff tariffs on imported steel and aluminum, a mo that cohn was a to.lidly opposed nick bryant joins me now. we know the white house was blindsided by this tariffs announcement last week. is that the onlreason he is going? is a free trader and he lost this battle internally. economic nationalist that he is in wrestling with ever since he entered the white house. "the new york times" is reporting there's no single reason he is leaving. they are reporting that he had recent conversationsenith the presabout replacing john kelly as chief of staff. he has become the latest high-profile whiteouse

appointee to announce his departure. last week we were talking about hope hicks, white house communications director. now it is gary cohn, chief economic advisor. laura: the president said today that everyone wants to work in the white house, but is the amou of turmoil unprecedented? nick: statiprically it is edented. a lot of turnover in the reagan administration, but nothing ke this. this morning he said "there is no chaos in my white house, just great energy." he said in the press conference and hour ago teryone wants a piece of the oval office. well, not gary cohn anymore. you must resigned last year after -- she almost resigned last year after shows phil. gary cohnwa and hvery a friend -- is jewish and he was very offendedid that the prt said they were very fine people in charlottesville. he wanted the federal reserve --

well, that went to somebody else. perhaps he feels his job is done now. anothebig-name departure from the white house. laura: he was planning on thursday to introduce the president to industry leaders in the u.s. who feel that the tariffs are a bad idea. did he just decided to give up the ghost? what does that say about the split in the republican party? have not announced the date of departure yet, so maybe he will sti bring those people in. but he will not have much fluence because he is not sticking around. does -- he does speak to the divide in the conservative movement --althoughgh garta is a democrat --gary cohn is a democrat. peopleteve bannon and who prefer free trade. this h been a free-trade party for years now. laura: nick bryant, thank you for joining us. the government in sri lanka has agreed to impose a 10-day state

of emergency following attacks on muslim-owned businesses. andions between muslim buddhists have been growing over the last year. a significant drop in child marriages globally -- they believe in the last five years from 25% of underave marriages ha been prevented. south asian countries have seen theti biggest reducon. when make her l -- toymaker lego reported a drop in profit, sayi they made too many breaks. an excess of stock had to be sold off comedies first drop in sales in 13 years. firs drop in's saleand 13 years. you are watching "bam world news ica." still to come ononight's job showsow one man's in the human cost of america's immigration policy. she was 17 when he began an

began with artist -- she an affair with artist pablo picasso and became his musical muse. einow story is the subject of a show in london. ♪ reporter: it is almost showing off. most artists would only ever show showingr of a the life's work -- this picasso exhibition is what he made in one year, 1932. and of course we have had major picasso sh >> london honors for kosovo, -- icasso, the man who painted this and has gone on painting ever since. reporter: 50 years on, we don't question the style in the same way, but the more we know about his life provokes other questions. in 1932, picasso was married.

but the paintings are not of her. olga.of the concert was in his late 40's went there a fair began -- but also was in his late 40's when there are fair began. did you find yourself uncomfortable with a man? >> most artists are complex and complicated human beings. i would say in particular they show their complation openly. certainly did is put all the contradictions out there. reporter: one thing remains unchanged, picasso's place in the art world. the london art market has been fizzing with sales. is exhibition is a snapshot of one year. whenou add it all together, we are moving from a world of millions into billions.

laura: blocked president trump's youngne on the fate of undocumented immigrants known as --or the 700,000 living in the u.s., their fate is uncertain. he was a border patrol agent before quitting. he has written a book called "the line becomes a river: dispatches from the border."in >> the job of a border patrol agent, there were certain aspects of it that appealed to me, that i enjoyed, being outdoors. learning to read the landscape. but of course there was always this knowledge in the back of mt mit all of these things i was learning to do were to hunt down and to catch other people.

after leaving the jot i carried with me the most and what i still carry with me today weren't the car chases or drug bus. what really sticks with me are the personal encounters and the convsations i had. when i read about deaths in the desert, i rember the face of the man whose body i found in the desert. some of the discussion around the book is really about who gets to speak, who do we listen to, whose stories are being told, and by whom. i think that it is important to listen to the voices of migrants, because they are the ones most affected by border policy. migrants are the ones who are

dehumanized at every single step in their journey. those are the voices that have more to ll us about border policy than any border agent like me, than any policymaker, than any politician. there is people who have been brought here, dreamers, who are now living in fear.i ink we need to recognize that fear is something real and visceral, something we are creating through policy.ll there were ahese parts of myself and my identity that i had to sort of give over to this institution, andis a question that is sort of at the center of the book. coming to terms with participating in a violent system, enforcing policies that when i look at them now feel inherently flawed and violent,

and trying to come to terms with that. laura: now, before we go, we hawant to show youit is possible to meet your everyday heroes. a 2-year-old took over theen f ternet ry when this photo was postedr staring at the new portrait of michelle obama at the national portrait gallery here in washington, d.c. the picture was captured by a der also waiting to see the painting. if things couldn't even get more exciting f the toddler, today the two met in person and had a dance party. michelle obama posted the video on twitter and told parker, "keep on dreaming big for yourself and maybe one day i will lookor up at aait of you."ca

yo find all the day's news at our website. to see what we are working on at any time, check out our facebook page. .i am laura trevely thank you for watching "world news america." >> with the bbc news app, our vertical videos are designed to work around your lif, so you can swipe your way through ate news of the day and stay up to date with the lest headlines you can trust. download now from selected app stores. >> funding of this presentation is made poible by the freeman foundation, and kovler foundation, pursuing solutions for america's neglected needs. >> planning a vacation escape that is relaxing, inviting, and exciting is a lot easier than you think. you can find it here in aruba.co familiesles, and friends can all find their escape on the island with warm, sunny days, cooling trade winds, and the e ystal blue caribbean sea.

nonstop flights ailable from most major airports. more information for your vacation planning is available at aruba.com. >> "bbc world news" wa presented by kcet, los angeles.

captioning sponsored by newshour productions, ll : >> woodrufood evening, i'm judy woodruff. on the newshour tonight, president trump's top economic advisor, gary cohn, is resigning after disputes over trade. then, are nuclear negotiations on the horizon? north korea claims it is open to talks with the u.s. about abandoning its nuclear weapons, according to south korean officials.d, uilding teacher confidence-- helping early educatioinstructors end their own anxiety around th and science, to inspire their students. >> it's not an easy shift for teachers to make, it's something you feel as if you should know the answers to these things when kids ask you. >> woodruff: all that and more on tonight's pbs newshour.