at the age of twenty two john harrison built his first chronometer he spent sixty years of his life studying how time could be measured precisely his premise was that if a navigator at sea knew the exact time in his home port then from the difference between that time and the time on board ship he could calculate the position of the vessel in degrees latitude and long it cheap. for centuries no one had been able to make a clock that measured the time accurately at sea without being influenced by fluctuations in temperature and humidity well by the ship's motion and that was john harrison's great achievement. the h. four is the size of a pocket watch and it represents the sum of harrison skills on a twelve week trial voyage in seven hundred sixty one this little corner deviated from greenwich mean time by only five seconds. in eight hundred eighty four an international conference was held in washington d.c. at which forty one delegates from twenty five nations agreed to declare the line of long beach you don't which greenwich lay as the prime meridian in doing so they merely confirme

and turkey to come to some arrangement that will take the threat of sanctions off the table john harrison thank you very much indeed for your expertise and so we thank you thank you for watching the news hour from london still ahead. story. anger outside an australian court as the highest ranking catholic priest to be convicted of covering up sex abuse avoids jail. flash flooding in the northern philippines forces fifty thousand people from their homes. tyson here is enjoying the spotlight again and has some choice words for the heavyweight boxing champion of the world details in sport. a roadside bomb attack is targeted a provincial governor in yemen ties governor mahmood survived the blast in aden province several others were injured attacks and shootings have been escalating in the province in recent days ramadan has more from djibouti. gov i mean muhammad was a tunning from a citizen of mit things with official source president of the roman suhag this government which has base itself in the other and since two thousand and fifteen he escaped with minor injuries but some of his securit

want to see i'm joined by john harrison he's the managing director of emerging markets macro strategy at ts numbered and investment research consultancy group thanks very much for coming in so this can what looks like a contagion to some of these other emerging markets why are they vulnerable. to the what's happening turkey i mean the backdrop for emerging markets have already been more challenging because of the stronger dollar and the u.s. hiking interest rates and then the situation in turkey just exacerbate so it's a risk so it becomes a you know more broad based risk of the mean that people have been investing in economies like south africa because the interest rates there have been more favorable than in the lower interest rates over here is that what was the behind it originally or. i mean interest rates is one aspect but also you know strong growth equity investors interest rates for fixed income investors so yes in emerging markets tend to prefer it when times are good they tend to perform better and develop markets but when things turn more challenging us as they are at the

during the speech in that rain william henry harrison 68 years old comes down with pneumonia and dies one month later. unbelievable clay says. now, john tyler is president. totally not what we planned, clay says. well, that's okay, we're -- i

harrison's ticket a democrat. a democrat who's very critical of jackson. john planter and he was a jeffersonian but thought jackson was too king like. we'll throw in there. that's going to make a safe tick. and they were right. look at the landslide for the wigs. wigs win the election. the wigs for the first time control the house, control the senate, control the presidency. henry clay rubbing his hands. he's ready to go. william henry harrison delivers his speech. a storm comes through washington, d.c. pouring down rain. during the speech, in that rain, william henry harrison 68 years old comes down with pneumonia and dies one month later. unbelievable. clay says. now john tyler is president. totally not what we planned, clay says. that's okay, tyler is not jackson. jackson is not in office. we're going to push through a new bill. clay pushes through a new bill for a bank. this time he calls it something different. the bank of the united states has been a bit stain. this time he calls it the fiscal bank. the fiscal bank flies through the house, flies through t

harrison's ticket a democrat. a democrat who was very critical of jackson. john tyler, who's a virginia planter, and he was a jeffersonian, but he thought that jackson was too king like. so we'll throw a democrat on there. that's going to make this a safe, moderate ticket. no problem here. and they were right. look at that landslide for the wigs. wigs overwhelmingly win the election. not only that, but the wigs for the first time control the house, control the senate, control the presidency. henry clay, rubbing his hands. hays ready to go. william henry harrison delivers his inauguration speech. a storm comes through washington, d.c., pouring down rain. during the speech, in that rain, william henry harrison, 68 years old, comes down with pneumonia and dies one month later. unbelievable, clay says. now john tyler is president, totally not what we plan, clay says. well, that's okay. we're going to -- i mean, tyler's not jackson, at least. jackson's not in office. we're going to push through a new bill. clay pushes through a new bill for a bank. this time he calls

during the speech in that rain william henry harrison 68 years old comes down with pneumonia and dies one month later. unbelievable clay says. now, john tyler is president. totally not what we planned, clay says. well, that's okay, we're -- i mean, tyler is not jackson at least. jackson is not in office. we're going to push through a new bill. clay pushes through a new bill for a bank, this time he calls it something different because the bank of the states has been a bit stained, the name of that. he calls it the fiscal bank. it flies through the house, it flies through the senate, gets on john tyler's bill, veto. clay can't believe it. vetoes the bill. all right. we're going to try again. clay pushes through another bill, this time we're going -- we won't even call it a bank, that's how much the country hates banks, we're going to call it the fiscal corporation, it's the same thing but we are just renaming it. fiscal corporation. goes through the house, goes through the senate, reaches tyler's desk, veto again. john tyler vetoes the bank bill twice. clay can't believe this is happening. we're going to have to wait four more years, p

harrison. great names from the mid-1800s . the fight ensues. pt pulls out a knife, and stabs his brother, john. john becomes the key witness for the prosecution because he is basically saying that pt didn't into paula knife. it was just a little brawl, a little argument, et cetera. pt pulls out a knife right away. other witnesses testified at the rice and the bottom line in this cases he had everything to lose. we are in 1859. nine months before the republican nomination. can you imagine today a political candidate taken on a controversial case what the public wants a conviction in the case. the community wanted a conviction. >> this is in illinois? >> eskimo springfield, illinois. he took the case with everything to lose and retell the story of this trial and we really started without the edges using the transcript is kind of the yoke of the story. >> will come back to the dynamic nature of this trial, but you've been in pursuit of a hot trial to cover is nothing new even though you attack to the 19th century to do it. what got you on the path to being illegal journalists, which i should point

harrison reports now that woman mark as new milestone.ma rriage. >> reporter: this was a dance they have been practicing for years. this son they chose because the john meant so much. the husband sang along, all of me loves all of u, your perfect imperfections. few weeks before ts nighthe called us to tell us they were going the marry. she hads meet her at the new home they would move into after the wedding. it had been a year sce we met. >> hirb baa? how are you? it's been so long. >> it's been a year. you look great. my goodness. i ink you grew. >> i z. i have been drinking my milk. >> reporter: she stands at near her fulleight now, a lot different fm a year ago when she was still trying to walk on her firstet of painful pro prosthetic legs and to lead a life that had been chang since a misdiagnosis let to the amputation of all four of her limbs. as a single mother of two young boys she knew she had no alternative but to survive and make the best of her fate. but as the fiancee of a wonderful man who shead met an fallen in love with, what would happen? they would playfully their first dance but amanda put all serious talk of marriage on hold. at le

john ramos on the city's push for sustainable food. >> reporter: most people's view of the city of berkeley is like this, lots of concrete and asphalt, but it is here at the corner of sixth and harrisonrkeley becomes a farming community. welcome to urban adamah. >> this place is a community farm that is focused on helping people understand their connection to one another, the earth. >> reporter: in fact, adamah is the hebrew word for earth and this jewish community garden now in its second year cultivates education along with its tomatoes, apples and pears. the 2-acre facility donates all its produce to the needy and offers big city visitors a close encounter with nature. >> it's great that they're using the land that would be concrete to see something alive and growing. >> reporter: so they were a bit surprised when they first approached the city about building the farm. >> we want to know what permits we need to get and our plan was to look at the code. there were no rules that really apply to this and so -- >> reporter: it was really not allowed at that time. >> it wasn't allowed. >> reporter: it was technically illegal for anyone to grow any farm product on private product for a