the state department of environmental quality responded by saying: >>> jacob ward joined me from the crowds of booker t in new orleans. the law-makers bill would block schools being on sites where there's toxic waste underneath is that likely to pass the legislature. >> well there seems to be overwhelming support on a state level. the bill was introduced a couple of weeks ago, passed in the senate. now at this point again. the state lawmakers seem to be supporting this. there's at least one site identified that's not on contaminated land. why is there resistance to rebuilding the school on another site. that's the question to ask the superintendent of schools. as you heard it's our legacy an important place in the community, and during the david segregation, it was one of the few places for african-american parent to come and have conferences. the feeling is let's rebuild on the site. let's keep the legacy here. but the argument is it could be moved elsewhere. >> jacob ward for us in new orleans. >> fresh food and air collide in america's biggest city. after the break i'll tell you w

jacob ward, al jazeera, san francisco. >> at $130,000 per mile of track it could cost at least $9.5 billion to install them on every u.s. railroad. i'm antonio mora. thanks for joining us for latest news at any time, head over to aljazeera.com. ray suarez is up next. with "inside story". have a great night. >> [ ♪ music ♪ ] >>> it's often portrayed as a transaction, how much of your absolute right to privacy should you surrender to be protected in return? edward snowden leaked the news that the national security agency was vacuuming up vast information from phone calls. now a federal court decided such bulk collection of private phone data is against the law. now what your

the irony is killing a human is a simple task and robots can do that now >>> jacob ward joins me from san francisco. welcome back to "inside story". for the purposes of this conversation what do we mean when we talk about intelligence in artificial intelligence. is it autonomy. >> yes. it is autonomy. there has been a tremendous kind of tectonic movement in the last 10, 20 years around robotics and the notion of art initial intelligence. could we get to the case of singularity, where robots are smarter than we are, and get to a place where they are enhancing our lives without having to anticipate. that idea has sort of fallen out of favour and it became clear how difficult it would be to create a robot. that could learn on its own, that could perceive its surroundings it was just the complexity from the brain. we are getting to a place where data is plentiful. that is the key to teaching on artificial machine. how to receive surroundings and make decisions, and how it gets more and more powerful. we are better at feeding it to robots such that it is learning. is it the ability to make

. -- jacob ward reports. >> reporter: there's something humpback whales that humans can't get enough their acrobatics and sheer size. nancy black grew up in san francisco. after a career as a marine biologists katherine black opened her own whale-watching out fit 25 years ago. >> when i started back dlen there was thought to -- then there was thought to about 400 hump backs, now there's close to 3,000. a noticeable difference. >> hunted almost to the point of extinction in the 1960s, they wound up on the endangered species list. >> they were on the road to extinction, and it was due to the one factor commercial whaling, and once that factor was removed we started to see recoveries at the populations, and since the mud 1960 what we have seen is populations doubling. there has been four decades since then that is a lot of inquiries. there's a lot of 91,320 hump backs in the world. up to as little as 20,000 worldwide. >> the united states is considering subdividing the global population into 14 subgroups. those in the arabian sea and north-west africa are endangered. hump backs in the n

jacob ward joins us from san francisco, good to talk to you jake me. >> you know it's happening. faster and faster processes making it possible for machines to make smarter and smarter decisions independent of human action. the question is where is the line, is there a point where you are okay with a thinking machine, and another point where you are not. prospects, promise and perils of asending machines is tonight's "inside story". >> al jazeera america, weekday mornings. catch up on what happened overnight with a full morning brief. get a first hand look with in-depth reports and investigations. start weekday mornings with al jazeera america. open your eyes to a world in motion. >> what was is like to do selma? >> selma was a blessing? >> acclaimed actor wendell pierce talks big screen politics and taking a stand >> do you think it cost you the oscar? >> ahh...yeah... >> do you regret it? >> absoloutely not... >> and his home town ten years after katrina... >> what's the biggest problem right now. >> crime...jobs, stop bullets... >> every tuesday night. go one on one with ameri

jacob ward, al jazeera monterey, california. >> the man booker prize has been awarded, he is the sixthve the prize, one of the most prestigious writing awards. he attended the prize giving. al jazeera caught up with him before the prize giving where he was citing some of his work. >> gravity hope enchantment and tranquility. i would live here those beloved and those close to me, everything that touched me, everything that shocked me, fascinated and uplifted me. >> the cans film festival has been accused of sexist practices after women were reportedly turned away from a red carpet screening for wearing flat shoes. the women were trying to attend the premier of the lesbian romance "carrol." they said it is unfounded. other attendees have confirmed a dress rule is being enforced. >> much more on our website aljazeera.com. aljazeera.com. [ ♪♪ ] >>> this week on "talk to al jazeera", legendry music composer david foster . >> so mid '070, i guess i seriously. >>> david foster has been nicknamed the hitman, a violent for many records collaborating with many big names in the industry. there's

jacob ward. reporter: this beach is the kind of place you see in oil pointings in the local restaurants, but now it's covered in oil. federal and state officials are only just beginning to come to grips with how much got out of a pipeline here and in to the water. >> you know, with any oil spill response there is always things complicate the response. for example, tonight we had to stop our smming operation says this eveningecause of the weatherigh winds a waves gotooho 50e678he spill comes dur theigratory season for hump back whale gray wles and see lions which travel hess waters to their feeding ground, they are swimming through one of nature's most toxic reaces, expose tower petroleum probably killed large numbers of animals in texas for at least three years after the spill. with each high tied, more oil continues to hit this shoreline. because resources here are limited. >> why not have boom as long the shore keep it -- the high tied from bringing the oil? >> a lot of it comes down to availab

jacob ward reports. >> reporter: this is kind of place you see in oil paintings in the local restaurantsand state officials are only just beginning to come to grips with how much got out of a pipe line here and in to the water. >> with any oil spill response there are always things that complicate the response. for example tonight we had to stop our skimming operation this evening because of weather. the high winds and the waves got a little too choppy. >> reporter: the spill comes during the migratory season for hump bake whales, gray whales and see lions that travel these waters for to feeding ground, they are now swimming through one of nature's most toxic recraigcreations. three years animal were killed i've speed. with each tied more oil hits the shoreline, resource here are limited. >> why not have boom as long the shore keep the high tied from bringing the oil in? >> a lot of it comes down to availability. the amount of booms available. it's pretty much impossible to get all of the oil. our crews trying to get as much as they can while it's still at sea. but then as it comes to sh

jacob ward explains. >> there's a flu kind of sky scraper going up in new york city. super tall knife like towers for the extremely rich. the tallest among them, boasts views of central park, the whole of manhattan this apartment costs nineties $5 million but we manage to get inside while it was still under construction. >> firstngineer behind every tall buildingnhattan. >> there are so many building i am looking around. >> . >> amazing looking at it right now. >> and for him the height of 432 park isn't the challenge the challenge is that in manhattan you have to make it very thin. >> the width of the building by 15, it is equal to the height of the building. >> that creates it's own set of problems. robert good win is designing another super slender tower for a turkish developer. >> the nature of tall buildings even ones in the far less slender than this, because the tower will move in the wind, but for it moves very slowly, you don't feel it. >> is it moves. >> it is moving absolutely, but you don't feel it. >> at 5 points along the length of the power, there are n

jacob ward is at the beach with more on that. jake? >> john the largest oil spill history was in kuwait in 1991, when iraqi troops turned on the taps to slow coalition forces and 240 million gallons of water flowed into the gulf. by comparison this seems small, but when you learn how many small spills there are, turns out that oil is everywhere. >> when you consider that the biggest oil spills history are in the hundreds of millions of gallons, a bill may not seem like a big deal. to any animal affected just a little oil can do damage. when you look at how many oil spills there are in the u.s. it starts to add up pretty quickly. in the scheme of things this spill is considered a small spill, a major spill is 120,000 gallons and greater. thing about to this way, the e.p.a. estimates every year in the united states there's 14,000 oil spills. at the same time the government says each spill is no more than a barrel of oil. here is the thing. each barrel of oil is 42 gallons. let's assume that all of those 14,000 are a single barrel. that m

be jacob ward, al jazeera outside santa barbara california. >> the daily white house briefing in the united states has received its first ever question from a cuban journalist. >> i'm from cuba television. >> welcome to the white house. >> both countries are working to reestablish ties after more than 50 years. u.s. president barack obama and cuban president raul castro agreed to thaw relations late last year. >>> wrestlers from both nations for first time taken part in a match in times square. interl halkettkimberly halkett has the story. >> this year is different. >> this shows to cuba you know what, we're all part of the same world and people say you americans are so big and dominant. not when you're on the mat with another guy. >> never before have a cuban u.s. match taken place. new policy announced in december it's not just the athletes lockinglocking heads. ending decades of hostilities and reopen embassies in each other's countries. on wednesday high level officials from both sides held a fourth round of talks. there's some grappling to be done on the mat. >> still the basic

. >>> jacob ward explains. >>> there's a new kind of skyscraper going up in new york city. tall knife like towers for the extremely rich. the tallest among them. 432 park avenue, has views of central park and manhattan. it costs 95 million dollars. we got in while it was still under construction. >>> sylvan marcus is the architect behind just about every tall building. >>> i'm looking at your portfolio. >>> for him, the height isn't the challenge the challenge is that in manhattan, you have to make it very slim. >>> the width of the building, multa play by 15 is equal to the height of the building. >>> that creates its own set of problems. robert goodwin is designing another super tower for a turkish developer. the nature of tall buildings and is much more about the way that the wind interacts with a tall building, if it moves slowly you don't feel it. >>> where we're standing. is it moving? the building is moving. but you don't feel it. >>> a pair of 650 ton pendulums on the roof counter the mulch and, at five points, there are no windows to let the wind through, it still

jacob ward looks at both sides of the debate. >> after a career as a marine biologist. katherine black opened her own whale watching spot. >> when i started there was thought to be 400 hump backs, now it's close to 3,000 since i've been here. a noticeable difference. >> hunted to the point of extinction in the 1960s. it wound up on an endangered species list. >> they are back in a big way. it was due to the one factor commercial whaling. and once that factor was removed, we started to see recoveries with the population. >> the population numbers of these animals, like you see behind me suggests it's doing well. when they come up off the endangered species act, and they swim through the tracks. >> reporter: this is a humpback caught in a commercial net. a single biggest killer of wheels and porpoises. if they are delisted they'll be protected in the u.s. by the marine mammal protection act. but whale conservationists worry it will not be enough. >> the esa will offer protection against current and future projects such as going on gas exploration or seismic drilling under

jacob ward reports. >> reporter: there is a new kind of sky scraper going up in new york city.ertall knife-like towers for the extremely rich. the tallest posts views of central park the whole of manhattan. this apartment cost $95 million. but we managed to get inside while it was still under construction. this is the engineer behind pretty much every tall building in manhattan. it's amazing. we are looking at your portfolio right now. >> yes. yes. >> reporter: for him the height isn't the challenge, the challenge is that in manhattan you have to make it very thin. >> the width of the building multiplied by 15 is equal to the height of the building. >> reporter: that creates it's own set of problems. robert is designing another super slender tower for a turkish developer. >> it's much more about the way the wind interwants a tall building. if it moves very very slowly you don't feel it. >> reporter: where we're standing now is it moving? >> absolutely. but you don't feel it. >> reporter: a pair of 650 ton pen -- pen ja lums on the roof steady the building. i can't get used to t

. >>> jacob ward al jazera new york >> it's doves versus hawks in the republican party. thinks foreign policy is the weakness in the presidential race but republicans themselves are split on u.s. muscle-flexing. will misreading the national mood cost the gop the national election? >>> greece and russia both countries are facing an economic catastrophe. and cold war with the west. we'll look at china's latest challenge to the global economy. being ali velshi is on assignment and i'm david schuster, this is "real money". 18 months until the 2016 presidential election and already foreign policy debates as old as the debate itself. six declared candidates from carly fiorina, to ted cruz to marco rubio have formally entered the republican presidential race. but lindsay graham and chris christie have not declared their intention is yet but are expected to join the fray. u.s. foreign policy under president obama is dangerously out of whak, they can whack, they can agree. >> everybody but rand paul can do better. >> they are the lap dogs for president obama and they are sensitiv

jacob ward is there. >> reporter: the statement beech is the kind of place you see in oil paintings in the local restaurants. it's covered in oil. federal and state officials are beginning to come to grips with how much is out of a pipeline and into the water. >> with any oil fill response there are things to complicate the response. for example, we had to stop our operations this evening because of weather. the high wind, and the waves got a little too choppy. >> the film comes during the season for humpbacked whales which travel the waters to the feeding grounds. they are swimming through nature's most toxic creations. long term studies from the deep water horizon spill shows that exposure to petroleum probably killed large numbers of animals three years after the spill. with each high tide more hits the shore line. resources here are limited. >> why not have bombs along the shore to keep the high tide from keeping the oil in. >> a lot of it comes down to the amounts of booms available. it's impossible to get all the oil. crews are trying to gets much as it can. as you see, we have t

but as jacob ward tells us pulling it off requires tremendous advances in engineering. >> reporter: rightow i am nearly 1400 feet in the air in the cutting edge of high-end residential living. in the future we are going to belying at this incredible altitude if we make enough money. if building manages to stay at this height because of a central core that offers a certain amount of stability and rigidity but the exterior of the building the outer limits here also act as a sort of outer tube and they are connected at five different points out there this 96-story, monstrous building. the thing about it is that your great enemy building a building of this size is not the basic logistics. it is hard enough to get water up to this height you need elevators which move up and down that can go fast enough that you are not going to be spending all day to get down to get your dinner or breakfast, but the thing that they really worry about is wind. when you are spending millions of dollars to live in a place like this you cannot be sitting there with your cup of coffee and have the whole thing movin

. >>> jacob ward al jazera new york >> it's doves versus hawks in the republican party.reign policy is the weakness in the presidential race but republicans themselves are split on u.s. muscle-flexing. will misreading the national mood cost the gop the national election? >>> greece and russia both countries are facing an economic catastrophe. and cold war with the west. we'll look at china's latest challenge to the global economy.

and later we'll be joined by jacob ward, taking ugs inside the kids' heads. how does prolonged poverty affect the brain of a youngster. we have a new time, and as you can see a new home. poverty, it's the "inside story". >>> the burden of poverty on states, students, school systems doesn't land everywhere pt same way. take a look at this map from the southern education foundation's findings. there are 21 states shown in red where the percentage of public schoolchildren in poverty is above 50%. the numbers come from the national centre for education statistics. they came up with the numbers by tracking which students were eligible for free or reduced fried school lunches. we'll dig into that later in the programme. as you can see, 13 out of 21 states are in the south. mississippi has the highest level of public schoolchildren living in poverty - 71%. 6 of the 21 states are in the west. new mexico had the second highest level of students in the country, 68% in 2013. new mexico is where we begin the conversation tonight. joining me from albuquerque is sonya, a t

about 7500 gallons of oil but upwards of 105,000 gallons leaked to a pipeline ruptures onshore, jacob ward joins us live. that is just outside of santa barbara. and jake, what's the latest oen the clean up effort there. >> well, tony what we are seeing here is over 300 contractors paid and trained workers who have come to the beach here to help basically clean it by hand, if you can imagine a job as hard as that. there were volunteers trying to make their way here to do this kind of work, but it -- they were warned away by rangers here that said not only could they perhaps pose a threat to wild life here, but the actual petroleum product is a threat to human beings so they are trying to keep them away. the smell is very pervasive and is covered as far as we can see. we can see the tide bringing it on to the rocks. certainly the 7700-gallons so far, that's good, but certainly not nearly as much as needs to be cleaned. >> why do they hope to find out. >> well, the hope there is that there will be some sense of whether this was a structural failure the company prairie pipeline says that it do

science and technology correspondent jacob ward explains how it happens. >> reporter: when dr ian crosier wassersed from emory hospital it was clear that he had been very lucky. he contracted the disease while working in a ward in sierra leone, the heart of africa after return for treatment, he nearly died. he managed to be in a lucky 50% of people that survived. dr crossier went in complaining his vision faded and was in pain and had pressure in his left eye. stranger than that the eye turned from dr crossier's blue to a strange green. and dr crossier told the "new york times" that it was a dougy consistency to the touch, like dead skin. it turned out that ebola had survived inside his eye. doctors at emory administered an experimental antiviral pill and a steroid. within a week his vision cleared up and his site is back. we know that the interior of the eye is mostly partitioned off from the immune system that may cause damage in the eye when you gettic sick. it may be why ebola lipping ners there -- lingers in there. he's not really contagious you'd have to crack open the eye. it means

our science and technology editor jacob ward is northbound be san francisco.ams in the united states and two teams in canada put together the theoretical pathway that would go from glucose all the way to possible drugs like anti-cancer drugs antibiotics and more 15. it has global implications that have to be explored. yeast is a miracle of nature. feed it a little something like sugar and it can spit out all kinds of things like alcohol. now several teams of researchers around the world have banded together to create a process where yeast can theoretically make anything from construction materials to medicine. process starts with glucose you know i.t. as sugar researchers have done what they've always done they feed it to yeast and it makes ethanol alcohol beer and other things but reticuline you can make all sorts of things anti-mall aerials and other types of drugs morphine and that raises the ethical question of whether this research could lead to something they didn't really intend. >> we realized it's not like ten years away, probably two or three years a

jacob ward has more >>> the state beach is the place you see in oil paintings in the local restaurants. now it's covered in oil. federal and state officials are just beginning to come to grips with how much is out of a pipeline and into the water. >> with a response, there's things that complicate the response. for example, tonight we had to stop our skimming operations this evening because of weather. the high winds and the waves were a little too choppy. >> the spill comes through the migratory season for grey whales and sea lions. they are swimming through a toxic creation. with each high tide more oil continues to hit the shore line. resources are limited. >> why not have boom along the store to keep the high tide from bringing the oil in. >> a lot comes down to the amounts of boom available. it's impossible to get all the oil. the crews are trying to get as much as they can, while it's at sea. as it comes ashore, we have to have crews address it. >> as the clean-up continues, one thing is certain, memorial day is not going to happen for the coastline, there are armed guards posted

jacob ward has more. >> reporter: in 2008 a commuter train crashed outside los angeles, killed 24 people. the crash prompted congress to mandate by the end of 2015 a positive cell system must be in place on the 70,000 miles of track that carries passengers or chemicals toxic to inhale. think of positive control of a system that can take control of trains. positive control ends g.p.s. satellites, censors on the transaction and a system that can slow or stop a train when it senses trouble ahead or excessive speed. in this case it would have stopped the train exceeding the speed limit. >> we have called for positive train control for many, many years. it's on the most-wanted list. based on what we i don't, we feel had such a system been installed on this section of track, this accident would not an occurred. >> the light rail system is manually operated while the train is above grouped. letting the driver make app adjustment. once they go below ground a pi control system snaps into action and monitors the dressers make sure they are not distracted or incapacitated. if they are, the system c

jacob ward is with us. jake, what do we know about the company involved here? >> well, tony, the plains company has been the subject of local and federal scrutiny before. it has 175 violations since 2006 and it's spills contributed to this small company total $123 million in that time. it has a spotty record up to this time. today there iser there was an announcement that action will be brought against this company. >> we want to make sure as the active investigation proceed there is zero risk of relief while we're conducting the investigation. >> it's clear tony that further scrutiny will be handed out. the attorney general has sent people down to look at the scene. and great deal--the hammer seems to be slowly copping down on down--coming down on this company. >> take this on for me. is there something in the nature of this industry that makes it more prone to accidents? >> well, the trouble here tony is the sort of decentralized nature of oil companies. oil companies, it isn't like the automakers, a very heavily regulated industry where you think of the big

. >> jacob ward, jake, thank you.indiana the health commissioner of the hoosier state has just approved a one year needle exchange program to deal with a large hiv outbreak. the yeah came from scott county, and has seen 160 residents test positive for hiv since december. population 4200, and the epicenter, of the problems. >> . >> i get tore up. >> and loved ones died. >> i have had five family member pass away. >> you yourself. >> yes. >> so it's pretty dear to myself. >> so dear, she now works as a nurse. joining what she sees a a fight for the town's life. but this piece of the american heart land, is suddenly at the heart of an epidemic facing the state's worst outbreak of hiv ever. >> it's become austin's favorite passtime. >> a long time alcoholic he says last year he began using the town's drug of choice, opana, a prescription painkiller that addicts here illegally cook and inject. dirty needles prezzed the. joses it is a miracle he is hiv negative. >> you don't think about hiv. >> i never did i didn't think ab

jacob ward explains how that's even possible. >> reporter: when doctor ian was released from emory hospital after fighting off ebola in october, it was clear that he had been very lucky. he contracted the disease while working in a treatment ward in sierra leone, and after return together u.s. for treatment he nearly died. but he managed to be in the lucky 50% of people who survived the disease. but he went back in a couple of months later complaining that his vision had faded. he was in pain and he had strange increasing pressure in his left eye. even stranger than that the eye had turned from blue to green. and he told "the new york times" it had taken on a doughy consistency to the touch like dead skin. ebola had survived inside his eye. doctors decided to administer an experimental anti-viral pill and steroid. within a week his vision began to clear up, and now his sight is back. but there is no sense whether it worked or gave the doctor's immune system a fighting chance. the eye is partitioned off from the body's immune system that might otherwise cause inflammation inside the eye. tha

jacob ward, al jazeera monterey california. >> the man booker prize has been awarded, he is the sixth receive the prize, one of the most prestigious writing awards. aside from the $95,000 prize money, the award gives the winner a chance to reach new readers. >> al jazeera caught up with him beforehand and he recited some of his work. >> i would live here wide eyed, following the land, gravity hope enchantment and tranquility. i would live here those beloved and those close to me, everything that touched me, everything that shocked me, fascinated and uplifted me. >> coming up on sport after the break, he was thrown out of china, but the manager of this top sprinter said not because of his reputation as a cheat. >> welcome back. we have sport. >> thank you very much. the head of footballed world governing boiled proposes a match between the national teams of israel and palestinian to be played in europe. he was speaking on a visit in jerusalem where he met prime minister benjamin netanyahu sparking demonstrations in the occupied west bank. in 10 days time at the request of palestinian f

science and technology correspondent jacob ward shows us how. >> reporter: there's a new kind of sky strainer going up in new york city. supertall knife-like towers for the extremely rich. the tallest, 442 park avenue boasts views of central park - honestly it seems like you could see china. this costs $95 million. we got in charge while it was under construction. silvio is the engineer behind pretty much every tall building in manhattan. >> there are so many buildings as i look around. >> it's amazing. looking at the portfolio. >> yes, i don't. >> reporter: for him the height of 432 park is not the challenge. the challenge is that in manhattan, you have to make it very thin. >> the thinner, the nicer the building. the width of the building multipled by 15 is equal to the height of the building. >> reporter: thing of a child's ruler, the slenderness ratio is one unit wide to 12 tall. in terms of buildings that is skippy. the north tower of the world trade center one of the world's tallest buildings had a ratio of 1-7. 432 park avenue has 1:15 while looking down on the trade center or

to an investigation psychologist helped to prepare the interrogation, and jard says there's -- jacob ward says there's little dins between physical and psychological torture. >> once upon a time torture was a matter of inflicting pain. in the modern era pseudoscience created new methods of applying mostly psychological pain. i'm talking about sleep depravation, mock executions threats to family members. they have the advantage of leaving little or no physical trace on the body depriving victims and courts of evidence. the thing to understand is that the researchers that looked at the distinction between physical and psychological tart tour found in the end the effect on the victim is roughly the same. whether it's the body or the mind whether the victim has been sexually assaulted or meld in a state of anxiety, the common effect the is disint deprags of the personality, the -- disintegration of the personality. it to to bring the person to where they lose hope of control, freedom in complicity and can do nothing else but comply. here is a piece of hor joe. the intelligence community emplo

jacob ward, aljazeera. >> for a look at what's coming up at the top of the hour, john seigenthaler is here. >> going too far. the collection of data. a major reversal today from keurig/green mountain. they have a backlash over their coffee machine, and now with their stock price plunging, keurig is shaking things up. >>> any conversation with actor, what inspired him to write a book about the armenian genocides. that's all in 3 minutes. >> thank you astronomers have identified the youngest galaxy ever discovered. the stargazers say that the galaxy may be above 100 million years old. it was detected with the hubble and spitzer telescopes, that's all the time in this news hour, i'm tony harris in new york city. and john is back in a couple of minutes. hi, this is al jazera american, i'm john, disconnected, a federal appeals court slams the n.s.a. spy phone programming. deaf in venice beach. >>> pulled out his i.d. and they shot him. >>> they killed a homeless man the new questions about lethal force. >>> coffee talk. >>> the truth about k. comes pollution and a major rever

our science and technology editor jacob ward is live in san francisco. jake. >> the terrible loss of life and injury here, the further tragedy of this is there's this system of a positive train control system. it came into play because of an earlier crash back in 2008. in 2008, a commuter train crashed just outside los angeles killed 24 people. the crash prompted congress to mandate that by the end of 2015 a so-called positive control system must be in place on the 70,000 miles of track that carry passengers or chemicals that are toxic to inhale. think of positive control is a sort of air traffic control system that can take control of trains. positive control would use gps satellites, sensors on the tracks or a centralized system that could slow or stop a train if it senses excessive speed. >> we have called for positive train control for many, many years. it is on our most wanted list. based on what we know right now we feel that had such a system been sthawld in this installed in such a route this accident wouldn't have happen. >> like to make an adju

science and technology correspondent jacob ward has that part of the story. >> in 2008, a commuter train crash outside los angeles killed 24 people, prompting congress to mandate by the end of 2015, a so-called positive control system must be in place on the 70,000 miles of track that carry passengers or chemicals that are toxic to inhale. think of positive control as a sort of air traffic control system that can take control of trains adding g.p.s. satellites sensors on the traction and centralized control system that can slow or stop a train when it senses trouble ahead or excessive speed. in this case, it would have prevented the train from exceeding the recommended speed limit. >> we have called for it for many many years. >> here in san francisco witness the municipal light rail system is manually operated while the trains are above ground, allowing the human driving to make at adjustment if there is a double parked car or dog in the street but once below ground, a positive control system snaps into action. it monitors the drivers make sure they are not distracted or incapacitated.

. >> jacob ward, al jazeera, san francisco. >> general motors could facing more than $1 billion fine over ignition switch defects. the company has recalled more than 2 million cars, ant justice department is considering whether to seek criminal charges. the defects are linked to more than 100 deaths. >> more than 52 million americans invest their retirement savings in 401k plans. the scout is weighing in on what employers have to do to protect that money. we have more. >> at the heart of the case before the supreme court high fees tacked on to 401k plans that eat into retirement savings, employees at edison international argue the company invested in mutual funds with excessive fees when lower cost options were available. the high court ruled employers have a duty to monitor those fees and economist monique morsi said it sheds light on a larger problem. >> the employer is the one who chooses the investment options answered sets up the plan, but the fees are paid by the employees. that creates an inherent either tension or conflict of interest. >> those fees can make a sizeable dent.

jacob ward reports. >> the state beach is the kind you see in the oil paintings but now is covered in oil. federal and state officials are determining how much got into the water. >> with any oil spill response, there's things that complicate a response, for example, tonight we had to stop our skimming operations this evening because of weather the high winds and the waves got too choppy. >> the spill comes during the migratory season for whales and see lions. they are now swimming right through one of nature's most toxic creations. new long term studies from the deep horizon spill showed exposure to petroleum killed animals for three years after the spill. with each high tide, more royal continues to hit this shoreline because resources here are limited. >> why not have booms along the shore to keep the high tide from bringing the oil in? >> a lot of it becomes down to vault. it's pretty much impossible to get all the oil. our crews are trying to get as much as they can at sea but as it comes ashore, we have to have crews address it. >> as the cleanup continues memorial day is not go

. >> jacob ward reporting. >> fans around the world mourn the lead singer of the band hot chocolate.> "you sexy thing" was one of the songs. he performed at the wedding of prince charles and princess diana. he died of liver cancer. >> a conversation with the legend, it is safe to say that dionne warwick is one of a kind, her songs timeless. she is an icon. she talked about what her life is like today. >> i'm happy still working so running around this world putting the butts in the seats singing the songs that they love, which i'm thrilled and grateful for. >> did you ever expect to have the success that you have had? >> i don't think any of us did. you know, known as the try triangle that worked in the industry, because everything was completely different than anything being done in that part of the 1960's, we kind of carved our own niche out in the music world where nobody was doing like we were doing. ♪ >> i mean, you're someone who broke barriers, did you experience racism in the music industry? >> yeah, i didn't know what it was, i thought it was funny. i did my first tour in the

. >> reporter: that very video shot by lance corporal jacob hug a combat vigdeographer also killed in the crash. another marine sergeant wardom florida. >> delivered over 68,000 pounds of needed supplies for the oirtouter villages and plan to deliver more before we leave. >> reporter: the corporal sara medina and the governor home state of illinois calls medina's courage and dedication a role model for all of us. sergeant eric seaman also helicopter crew chief on this very flight. the california native was a husband and a father. a gofundme account set up for this family his mother-in-law says thank you for this. i just want the world to know my son-in-law was great man and a true hero. he was what a man is supposed to be. eric seaman's wife samantha remembered the love of her life. >> he always told me that he wanted to serve his country and make a difference, and he loved flying and -- he -- he was a great crew chief. with xfinity from comcast you can manage your account anytime, anywhere on any device. just sign into my account to pay bills manage service appointments and find answers to your questions. you can even chec