continues tonight. >> we have been hearing a lot of tank shelling coming from where we are, here. >> every single one of these buildings shook violently. >> for continuing coverage of the israeli / palestinian conflict, stay with al jazeera america, your global news leader. malaysian flight investigation has stalled. how do you carry out an investigation when the ground is held by the suspects. i'm here for antonio mora, wajahat ali, here on". those stories and more ahead. >> u.s. intelligence believes malaysia airlines flight 17 was shot by a surface to air missile. >>... launched from an area controlled

ukraine. >> strange credulity to believe it could be used by separatists without russian support. >> this event underscore that is it is time for piece and ukraine. >> the white house concerned site. >> there needs to be an international investigation. >> investigators are on their way to ukraine. >> prime minister binyamin netanyahu of israel saying his offensive. >> there had been a change in the warfare that we are seeing. >> there are thousands of tanks. united states and friends and allies are concerned about the risks of further escalation. >> top researchers from the flight. >> these are men and women

that dedicated their thrives. >> what if the cure for aids was on the plane. we begin with the having of who shot flight 17 in the middle of a war zone. a plane carrying 300 passengers, one u.s. citizens, was downed by an anti-aircraft mission, shot down in a region controlled by pro-russian separatists. >> we know that the separatists received a steady flow of support from russia. this includes arms and training. it includes heavy weapons and anti-aircraft weapons. >> as u.s. officials intimate russians were likely behind the tragedy. phone calls were intercepted by pro-russian rebels. the

ukranian community : >> russia denies involvement and accuses ukrainians of pointing the crash investigation. organisers arrived at the crash site on friday but were prevented from securing an aflize corridor. a spokesman encountered armed personnel. let's bring in lisa stark from washington dc. an al jazeera correspondent and long-time aviation reporter. we heard president obama say that the missile came from on area in the pro-russian separatist area. obama made the point that russian separatists shot down transport planes and russia has been supplying more heavy weapons. where does the investigation go

from here? >> the intelligence community in the united states continues to look at all the evidence it can gather from satellites and other intercepts to further refine their information on where the missile may have come from and who may have shot it. at the pentagon they indicated that they would find it hard to believe if the eastern ukranian rebels shot down the plane, actually were the ones that feared the missile, they did so without technical support or help from russia. still a lot of unanswered questions about who pulled the trigger, if you will, that brought down the plane. >> under normal circumstances aviation circumstances are diff. this crash site is in a rebel-controlled area. the organization for security and cooperation had access to the site on friday. they had to leave after guns were drawn. the former chairman said that

this is already a contaminated site. compromised? >> it could be. the site has not been secured. that's the ideal to secure a site after a crash. a former ntsb investigator told me that it's likely that pieces of plane vanished. people like to pick up stoouf nears, it sounds horrible, but it happens. if this was a missile strike, jeghtors will know -- investigators will know what happened. they won't need every piece of the wreckage. they'll be concerned about getting in there quickly. there has been a system of calls from around the world to leave the debris and make sure it stays in place. >> there's the black boxes. the report earlier that ukranian rebels had two devices.

reuters reported they saw one. no one knows what is true or not. the devices proved key to find the cause to numerous crashes. >> if we don't find it, can we mind out what happened? >> yes, there's every indication that the boxes should be found and recovered. they'll be in the tail section, intact, and will be able to survive the forces of the accident. i have every belief that the boxes will be recovered if they haven't already. i think we have to have a grain of salt about whether the rebels found the boxes. we had heard earlier that they had found eight of the 12 boxes. well, there's only two of the them. they may not be sure about what they should be locking for. at this point we don't know if the boxes are recovered. if they are in rebel hands it's a concern. we need to find them. they should be found. >> you mentioned this is a

tragedy. let's focus on the victims. it must be horrible to the families, the american si workers. 181 bodies recoughed. what is done to get the family answers. i can't imagine what they are going through. malaysian airlines has a crisis team working with the families that is standard after airliners put together a team. the key concern, as you say is recovering from the bodies, identifying them and getting them -- to the families, it's what they want. >> for more, we are joined by a former member of the united states national transportation safety board. good to have you with us. the crash happened on thursday

much we are heading into the weekend. the o.s.c.e. doesn't have the expertise to vet a plane crash. as of now -- investigate a plane crash. as of now, no highly skilled investigators are on the scope. >> we'll -- there'll be loss of data from locals climbing offer the crash scope. i don't think approximately impact us greater than additional time to sort through what is there. >> let's say the flight recorder, that it's gone. let's say we can't find them. u.s. officials say it's liking a russian made buk missile that did this. can they tell from the evidence at the crash site? >> yes, they can.

mice eels bring down air planes in two way, it hits and break up the airplane. it gets close the airplane and explodes and peppers the airplane with debris, like a shotgun going off. you have a massive amount of metal being at high speed. well, that material that comes from the missile embeds itself in the aeroplane. and that is likely going to tell us the source of the manufacturer of the missile. >> if we find the flight easier. >> the flight recorders will not give us a lot of information. a voice recorder will pick up the explosion of the missile, assuming that we have a miss im.

it will pick up the explosion of the missile and start a time line for us from that point forward, until the power is lost on the airplane, to see how it comes up. >> what is worrying me is all that is left could be contaminated by the time investigate juniors get there, right -- investigators get there, right. >> there's a lot of evidence that will be destroyed because of the time. metal takes a long time for it to challenge. let's not forget that t.w.a. among other airplanes has been on the bottom of the ocean, before we brought story. >> you mentioned t.w.a. this week is the 80th anniversary. in this instance, there was a strong theory that a missile shot the plane down. what did you learn from looking into that theory about how miss eels can get into -- miss eels

can get into airplanes? >> we had a lot of expertise come to help us, and some of what i told you in the last couple of minutes came from the work we had done on the t.w.a. 800 airplane. so the metal is the key piece. you know, when you bend a piece of metal or poke a hole through it, it doesn't go away, it will stay this until you do something with it, destroying it. that's the evidence i was talking about. the muss il is going to leave -- missile is going to leave physical damage to the metal. it's not going to change, even though the people, the pictures coming out of the scope show individuals climbing over the airplane and walking through the field of debris of the airplane. the metal will not change. it will tell a story, and the same story, whether it's day one or 20.

so the key to it is getting the trained investigators to the scope and getting the key pieces of physical evidence, including laboratory. >> i imagine travellers will be terrified of future attacks. what needs to be done to make sure missiles don't have the ability to come near commercial jets? >> we have done a good job of this up to this point. there's a lot of terror of the activities. they've not got their hands on missiles. these are vehicle-mounted, major objects, very heavy, large in diameter. and they also require a sophisticated ground satisfaction to provide the links and the communications for

the missiles to make the flight in order to catch up. it's 35,000 feet up in the sca. it's a sophisticated system. and the holders of these teens of missiles around the world have been good at keeping control of them, keeping them away from terrorists. this is a bigger - an example of maybe the help from a larger country that has technology providing it to the local militias in the area. it points the gun back at the neighbourhood. >> thank you for your time. coming up, we take you to gaza for the latest on the ground war with hamas. what is the ultimate goal and how are gazans responding?

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that void... >> there is a huge opportunity for al jazeera america to change the way people look at news. >> we just don't parachute in on a story...quickly talk to a couple of experts and leave... >> one producer may spend 3 or 4 months, digging into a single story... >> at al jazeera, there are resources to alow us as journalists to go in depth and produce the kind of films... the people that you don't see anywhere else on television. >> we intend to reach out to the people who aren't being heard. >>we wanna see the people who are actually effected by the news of the day... >> it's digging deeper it's asking that second, that third question, finding that person no one spoken to yet... >> you can't tell the stories of the people if you don't get their voices out there, and al jazeera america is doing just that. israel's gazan invasion entered its second night. ground troops uncovered 13 a.b.c. point for tonne -- access points for tunnels leading into

israel. palestinians held funerals for 28 people kld by israeli -- killed by israeli fire, including three more children. in tel aviv israel's p.m. warned that the in vasion may become bigger. president obama confirmed his concerns. >> i support israel defending itself, but friends and allies are concerned about the risk of further escalation. >> let's go to gaza with nick schifrin. you are on the ground. what is the latest? >> we are hearing now in the last few minutes a lot of shelling over to my left. that is the israeli gazan border. tonight we saw a large number of flares, this is an illumination technique, you can probably hear

the buzz in the distrit. those are f -- district. those are f-16s. we saw flares, large illumination. that's what the israeli troops will use to see where they are going. the other thing we are seeing is tank activity we talked about over my left soldier. >>. which is where a lot of rockets are firing. israeli strikes pounded that area, where a lot of people evacuated. in the last few hours there's reports of tank shellings on targets and the homes of people that launch the rockets, and reports of shells hitting civilian houses. >> the number of interna displaced gazans has jump.

how are people getting access to now? >> it's very difficult access to food, water and security. the number you cited, over 45,000, most in schools by the way, in gaza city is double from what it was 24 hours ago. if you talk to u.n. officials they'll say 60% of people don't have access to clean water, and 70% don't have electricity all the time. some communities have black outs. the u.n. is calling it a humanitarian crisis. what happens when israel tarts the spots. it's -- targets the spot, it's not that it's a most densely part of the country, but the targets are embedded in residential neighbours. israel says it has the right to go after it because hamas puts the targets there, puts the

rocket launchers surrounded by homs and department buildings. gazans and the u.n. object to that, saying you can't risk the lives of civilians while going after military targets. that's what we see. a lot of time civilians wounded or killed are killed because shrapnel - they are too close to the tart. that's what happens to a lot of them hurt or killed when the israelis hit the tarts they intend to hit. >> i saw one of tweets. you tweed: what happened. >> this is a building - it's about 150, 200 feet behind me. it was 7:30 in the morning three shells came in from the building, into that building and

hit in the same spot, all three of them. the top floor of a building, opened by hamas television. the israelis hit it in the past and again as a sign of defines. the mosque we saw doing live shots, broadcasting live from the roof of that building, each though their offices were gutted. that is the attack. israel faned a target. hamas institutions or homes. media outlet's, going after that, and israel responding. israel targeted many dozens of the leaders of hamas, their homes. none of them have been killed in the strikes. >> nick schifrin, al jazeera correspondent. thanks. as always, stay safe. >> for more, i'm joined by counsel general of israel. prime minister binyamin

netanyahu said on friday that he ordered israeli forces to prepare for a widening of the latest gazzen invasion. president obama said he and others were working to restore the 2012 ceasefire. is there a conflict there. >> israel made clear that it wanted to join the accuracy fire that the jacob shapros and arab league proposed. hamas rejected and considered rocket fire. they are tunnelling under the border. we are willing to engage in diplomacy. unfortunately right now you see a military operation in an effort to stop the rocket fire on israeli population centers and the tunnelling. >> i like to play another comment president obama made it. >> our understanding is the current military ground praghtss are design -- operations are designed to deal with the

tunnels. we are hopeful that israel will continue to approach this process in a way that minimises civilians casualties. >> is israel planning what the widing of in -- widening of invasion, and as the foreign minister says we need to make sure every hamas terrorist runs away is arrested or killed. is israel going all the way? >> the goals of the operation are clear. they are defensive, aimed at restoring piece and security for his rail and the region. you are seeing a specific operation against the tunnels. we discovered 13 of them, and more, all of them aimed at tunnelling upped the border to attack israeli community inside israel. at this time the operation is fozed on that -- focused on that. as the rocket fire continues as it has tonight on major

population center, we, again, might have to resort to further measures to stop the rocket fire. the ball is in hamas's court. the choice is to fire or not fire. we hope they stop the fire, end this, go into a ceasefire, which is what we agreed to do. >> many voices suggest minimising casualties have not been a chief concern of israel. your response. we have taken extraordinary measures to minimize harm to civilians and any civilian harmed is something that we are regretful of and something we don't want to see. however, we are facing a brutal enemy, hamas, which is not only tarting our population, it is hiding behind its own civilian population. this is not something that only israel is saying, it's something that is accepted and widely reported all over the world.

hamas needs to stop the fire and situation. >> you mentioned hamas. the political leader says israel don't accomplish goals through military action. won't hamas dig the tunnels again once israel withdraws. >> it's clear there need to be a political resolution. we said clearly that we are open to diplomacy, but as a final resort we'll have to resort to military action. if we can reach a political accommodation, that is something israel will be happy about. the operation has limited aims, aimed at defensively defending israel from the rocket fire and the tunnels. if it stops we can resolve this. >> would israel agree to a ceasefire with hamas, without fulfilling the military objectives.

we can see this going on and on and on, can't we? >> absolutely. the rocket fire against israel started in mid-june. there was 300 rockets fired before engaging in the operation. we asked hamas to stop the fire. the response was more fer orbs fire. we -- ferocious fire. we went to a ceasefire, offered by the arab league, backed by the yate and the palestinian authority. that response, we stopped the fire, but they engaged on fire with us. yesterday hamas and palestinian jihad violated yesterday. we are in a situation where the rocket fire continues on our civilians populations. it's untenable, something no country will accept. if they don't stop it, we will have to. palestinians, including children die in the attacks. turkish prime minister recep

tayyip erdogan accused israel of terrorizing the region and committing genocide. protesters mamped in ayman. if casualty yes mount, will outrage from the world force israel to stop? >> again, the difference between israel and hamas is that hamas deliberately, deliberately targets civilians all over the state of israel right now. israel is a democracy which is defends itself, and trying everything it can to tart surgically the terror operation in gaza that is firing at israel without harming the civili population. it is difficult to do that in a context where hamas placed equipment and rocket launchers in u.n. schools, outside of schools, hospitals, mosques and homes. difficult to do. we are - we regret every civilian casualty. i'm a dad of children. no one likes these picture.

let's remember who is creating situation. that is hamas. it's not a situation that israel wants to be in, it's a situation we would like to end by restoring peace to israel. thought. i'm joined by a fellow at the newt of policy studies and -- institute of policy studies, and an author. thank you for joining us. israeli prime minister binyamin netanyahu says hamas is using the residents of gaza as human shields which makes it responsible for the casualties. does he have a point. >> no the it is a massive lef of punishment. in

violation of law. >> gaza is occupied by israel. they pulled out the settlers and mooed the troops. israel is in complete control and under international law you can't occupy another piece of land and attack them militarily. this is a massives violation of international law. >> does hamas share blame for this conflict for blaming rockets into israel. given the past history, hamas leaders have to know israel would retaliate. >> the attacks by hamas or other rockets, first it was not hamas, they didn't come into it until a couple of days in, it was other smaller groups that hamas was not able to control, and they can't now. the rocket attacks are in

violation. it doesn't change the primary issue of the violations here, whether it be collective punishment, the kind of weapons used. they are allize raily violations and that is occupation much as long as there's illegal occupation. there's going to be violence that is inherent in occupation. >> prime minister, you must have heard a threatening, a widening of invasion. if israel falls through, can it stop the hamas attacks and destroy a military wing. >> israel was not able to stop every rocket attack. i don't think that this kind of attack will either. there are few to know rocket attacks during periods of ceasefire. if israel was soars about the goal to protect israeli

civilians, they would have moved through a comprehensive caes fear. they would not have offered fake ceasefire designed to fail, that we saw the day before yesterday. they would have made a real effort. it's during the ceasefire periods when no israelis have been heard or killed. >> you called it a fake ceasefire. should hamas have accepted that, what you said was a fake ceasefire. had hamas accepted, israel says they would have stopped, but rockets. >> i think it's disoined to give israel the -- designed to give israel an ability to say we offered, they turned it down. it means a day before which palestinians in gaza could not leave or come, families separated, food scarce, electricity have few hours a day.

sewerage flowing through the refers and the government unable to play 40,000 palestinians that worked for the government in gaza, unable to be paid. none of that would be possible by the hamas government. the israeli and u.s. positions on the unity government made sure it was not going to work. they were asking linians in gaz e to -- palestinians in gaz owe to go back tonne an unacceptable reality. it's not surprising this plainians and hamas -- palestinians and hams said no. >> the aggressive approach, does it embolden and strengthen hamas. they were weakened and is rated before this. >> hamas is weaker in the region than in 2012. it doesn't have the support from the egyptian government.

it has antagonism that overthrew mohamed mursi in a military coup. it doesn't have support from other arab countries concerned about the syrian war in what has taken over the region. internationally, right in the region, hamas is isolated. it would be a mistake to say hamas is isolated among the people of gaza. reports that i'm getting from people with little support are seeing that the pore for hams -- for hamas among the people is rising. it's unfortunate that that support rises, put it's not surprising. president obama said "i reaffirm my strong support for his rail's right to -- for his rail's right to defend itself. should gazans accept bombardment. are they allowed to retaliate?

>> apparently not. the isn't at passed a resolution 100 to 0. saying israel has the right to defend itself, as those it self-defence. this is a problem we see the senate apropose reegss economies -- aappropriation committee approving a third of a million adding to the $3.1 billion given to the israeli military. the u.s. is complicit in the collective punishments and the bombardment killing so many children and civilians. >> thank you for joining us. >> thank you. >> ahead - the united nations invasion. >> and a complicated relationship with russia former deputy secretary of state is here.

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let the journalists live. the tragic loss of life in eastern ukraine and the middle east showed the cracks in western leaders to resolve two crisis. the united states and european union reacted to the ukraine crisis by imposing sanctions on russia. ban ki-moon arrives to assist. the israeli ambassador for the united nations said it's time for the international community to face the consequences of inaction. >> if hamas it not stopped it means terror for his rail and tragedy. >> we

joined by united nations secretary-genera bangui's moon said deputy. the group offense ists in gaza gops on, and he repeats there's no military solution. the death toll is rising, it's getting harder to find safe places. there are meetings on friday. where do we go from here? >> the important thing is to see where the party will go from here. what we have been doing is urging them to have a ceasefire. there was a hotel yesterday, thursday, when there was a 5-hour humanitarian pause, and we hoped that would be a building block to get to a ceasefire. egypt has been working ard to bring the parties toot. bangui -- parties together. ban ki-moon hopes the parties

will support a ceasefire, and we can get away from the brink of this sort of enslaught that the populations in gaza and israel have been suffering in recent days. >> we remain hopeful. let's turn to the downed ukranian airliner. investigators reached the crash site on wednesday but couldn't reach the area needed. are calls for an independent investigation possible. >> yes, the general ban ki-moon holds out a call for an independent investigation we are hopeful. all sides, everyone has the interest in finding out the truth of what happened. the secretary-general is aware of the expertise that the international civil aviation

organization, what they have in dealing with a question of what's when airlines go down. it's up to the international community to determine how they want to use the expertise of the civil aviation investigation. >> the payor of kiev had -- mayor of kiev had strong wards saying: . >> can the international community get as comprehensive plan together. president obama and other world leaders call for a ceasefire. others split. front. >> the secretary-genera said what happened to the malaysia airlines plane should be a

wake-up call to convince people of the need to be a peaceful settlement of the situation in ukraine. we are sending the head of the department for political affairs to ukraine. he'll go to kiev and moscow, to see what cap be done to bring about an end to the sort of tegess we have seen in -- tensions we have seen in recent weeks and months. seems like there is willingness among the leadership in kiev and moscow to have dialogue. what mr mr melman and -- mr mr felman is trying to do is to get past what we have seen. this should be a wake-up call. >> vladimir putin, russia's president, is defiant, that

assist ukraine's fault. russia. >> because of the technical complexity of the sa 11, it's unlikely the separatist could operate the system without knowledgeable personnel, so we cannot rule out assistance from russian personnel in operating the system. >> do you agree with her? >> this is part of a discussion taking place in the u.n. security council. there's a number of different ambassadors, including the russian ambassador giving their own views. it's because of the differing views that we need a credible veegs into what happened. -- investigation into what happened. we hope it happens soon. >> thanks for your time. >> official american voices are urging president obama to issue sanctions. for more on that and a tepid

quoourp een response, i'm joined by our next guest. i want to play some of president obama's remarks on friday on flight mh17's tragedy. >> nearly 300 nnt lives were taken. men, women, children, infantastic who had nothing to do with the crisis in ukraine. their deaths are an outrage of unspeakable proportions. >> angela merkel and others have been more muted in their comment, why is that. >> number one, israel operates as more count are yous much the economy is more integrated.

as you look to impose costs on russia for the foreign policy in ukraine. that burden will be borne more significantly in europe than higher in the united states. >> former secretary of state hillary clinton had this to say on pbs, charlie rose. >> europe eaches have to take the leave, it was a flight from amsterdam to kuala lumpur. over european territory. capitals. >> should europeans take the lead in the investigation and in punishing russia. >> there has to be an international investigation. we have done those. every country can provide expertise. what the europeans want to do, they put emphasis on investigation, determining fact

and policy. we saw it last fall in the run up to strikes. the united nations say we know what we know. the europe ons were saying let's wait for the investigation. they'll get there, build a case first. they have been outspoken. democratic senator tweeted, and i quote. if this count wake up european allies, hard to imagine what will. they need to increase sanctions now. what are the global implications shot down the plane. >> it would have a profound impact in terms of the future of ukraine, but europe signed partnership agreements with georgia, with moldova and those countries will be looking over the shoulder if europe and the

united states do not respond to what is happening here. >> is there a risk that some countries have been reluctant to push russia on ukraine for fear putin. >> when you look at the states of the european union, there's a handful of them that rely on 100% on commrge to heat their homes. it's easy for us to say in the united states, europe can take action. if you are a county, agrees that reallies on russian oil. you have to think swis. we have a solution, which is to diverse vie european energy sources. it will take 10 years to get to that point. the financial markets are

shunning the country, capital is flowing out. is that the sort of rehabilitation that might get vladimir putin to rethink the support for the separatists. that will get his attention. one has to admitted that vladimir putin has a high pain threshold in terms of what he'll bear to get his way in ukraine. mark sources. they spent a lot of time in europe. if that is interrupted, yes, that will get attention. >> a different topic. iran and world powers agreed to a 4-month extension of talks. programme. >> i'm not surprised. this is meaningful. we are at crunch time and given

the built up, lack of trust, confidence between the united states and iran, it's hardly surprising that hard liners are pushing for the strongest deal. it was more likely than not that was going to go into overtime. >> thank you for your time. the impact of the crash is being felt far from ukraine, why the medical community is mourning major losses. and harmeli aregawi is impacting some of the personal impact. >> we are learning the identities of some of the victims on the flight. photos are shared online. >> on tech know, >> what if there was a miracle? >> grace's stem cells are in this box. >> that could save the live of your child... >> we're gonna do whatever we can >> would yo give it a try? >> cell therapy is gonna be the next big advance in medicine >> tech know, every saturday go where science meets humanity.

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want you here." members of the group behind the video, have lost a relative in the conflict. they are saying they don't want others to join their ranks. let us know what you think. turning now to malaysia airlines flight 17, and the day after the tragedy we learnt the identities of some victims on the flight. at least one american was on the flight. quinn lucas shanskil, attending business in the netherlands, and meeting his family in malaysia for a vacation. a 27-year-old woman working for

the africa programme was killed. her parents and brother died in the crash. they were heading to indonesia for a holiday. for australian family trajly struck twice. this woman lost her brother on malaysia airlines mh370. and on friday found out her stepdaughter was on the flight. this was posted by a 30-year-old doctoral student. going to malaysia e for the eade holiday. then the lucky three, barry, his wife and son were bumped off seats. >> just the shock. the feel in the pit of your stomach. just... you start to get

butterflies. the heart goes s. >> a lot of other families were not as lucky. >> thank you. we'll continue to look at the personal cost ahead. many passengers were on their way to a major aids conference. >> israel's invasion of gaza continues tonight. >> we have been hearing a lot of tank shelling coming from where we are, here. >> every single one of these buildings shook violently. >> for continuing coverage of the israeli / palestinian conflict, stay with al jazeera america, your global news leader.

al jazeera america, take a new look at news. the world is reeling from the flight 17. the extent could go beyond the passengers and crew. scientists and doctors were on board for an aids conference in australia. among them the former president of international aids society, a premiere expert on aids in the world. joining us is an assistant professor of epidemiology at columbia university. thank you for joining us. one person in australia attending the event said "the cure for aids may have been on wow. >> yes. >> how big a loss is this community? >> it's a huge loss. we indraft researchers to -- entrust researchers to come up

with the answers to big questions. when they die and are taken from us as quickly as unfortunately the experts, we lose with them the human capital, the expertise. this is a big loss. i hope colleagues at home will be able to put toot the pieces. put together. we mentioned the doctor, what did he do. >> this was a pre-eminent h.i.v. aids researcher. he was a scientist dealing with the specificityies of the violence, and speaking about the equity challenges. some of the big insights was about the use of anti-retro virals. with respect to transmission, a huge problem in places like sub-saharan africa. this was somebody, a pioneer,

thinking about how the virus worked in society. >> one day before the crash the united nations released a report saying global aids epidemic could end by 2030. is it forecast viable. >> much is based on trends. we saw a plateau and a decline in the number of cases worldwide. in 2005 we saw a decline in the number of h.i.v. deaths. this report is based on steady long-term data. the lose of experts and leaders will push behind the science agenda. i hope the trend continues, and looks promising. it's difficult when a research lab losses a leader to pick up.

not only do they bring the funding with them, but they bring the expert sees and thought and how we answer the questions. as we lose the experts. it takes time to recruit. >> we have a conference in melbourne. has the tone challenged. >> absolutely, there's no question. conferences are a opportunity. >> something like this is so socialing to have lost so many leaders in one moment. tone. >> we have people like you do the good work. >> that's all for now. coming up this weekend. "scandals" president talks to us about a justices programme. join us on the website aljazeera.com/considerthis or

google or facebook, twitter. see you next >> the down of a malaysian airliner going down full of passenger. there was something about the flight path of that journey. i'll tell what you it was. and i got to warn you, you might not like the answer. i'm ali velshi, and this is "real money."