watch this is life with lisa ling right here on cnn. >> welcome to the cnn newsroom. major dwobmentes in the fight to contain the deadly ebola virus in the united states. there is no outbreak and the cdc vowed to keep it that way. >> we worked 34-7 to do that. we're doing that with r by many different ways. one of them is working to stop the outbreak at its source. because as long as cases continue this, there's a possibility that someone will travel, infect someone else, come into this country or another and possibly have another case of ebola. >> now we have learned the obama

administration is considering beefing up screenings as major u.s. airports. the director plans to brief president obama on the ebola crisis tomorrow. meanwhile, the only person diagnosed with the deadly virus in the u.s. is fighting for his life. he is now in critical condition. let's go to senior correspondent in dallas. police are working very hard to locate other people who have had contact with duncan. >> exactly. there was a homeless man. we're told that there are two other contacts that we can't seem to find. when they go to visit they can't reach them so they're still looking for those two folks. now all three of these people all have the same kind of

contact and it's an unuse walt kind of contact. they were in the ambulance after he was. went to prez pe teern hospital. you had this used on yourself. it's one thing to get a blood sugar measurement. there is a small chance that residual blood ended up on that device. but still you need to take your temperature twice a day. >> in all, how many people may have come into contact with duncan that officials are willing to reveal? >> let's go over what this looks like for your hopefully final contact list. in all there are 48 people who had contact with duncan. seven of them are hospital workers and they are considered higher risk and three of them are family members. 38 of them are considered lower

risk and they would be a mix of different people. i imagine people who were at the apartment complex with him, ambulance workers, sort of a variety of different people. >> and then the screening that the obama administration may be entertaining now? i was shocked and really pretty horrified to see that there was basically no screening at all. i have been talking about this for a week now and others have been saying what is up with this. finally the federal government is saying you know what? we will consider taking stronger measures including taking temperatures of people who are arriving from ebola kountdryes. >> it would likely not just be

people who seem to be exhibiting symptoms but those who may have come from countries where ebola has been an issue. >> right. i mean really what they could be doing is they -- i walked in and i said i'm a journalist and i just came back from liberia and i didn't get questioned. this would just be people coming back from ebola effected countries. >> and how are you self-monitoring. >> check your temperature twice a day and monitor yourself for symptoms. if i were to feel ill, which thank goodness i haven't, i would immediately do something about that. so far so good.

>> thank you so much. from dallas. >> thank you. >> a missing 21-year-old marine is believed to be the first american casualty in the fight against isis. he bailed out of a military plane when it appeared it might crash into the persian gulf. the pentagon said he was lost at sea. spears has been declared dead but his death has not been classified yet so it's not known if it will be considered a combat fatality. and now to the latest in the battle against isis. some of the fiercest fighting is taking place between the british forces and the forces overlooking a hill just outside of a city. >> and a woman who started her own school for girls in africa is facing ebola right alongside

of them. but she says she sees hope on the horizon. ♪ ♪

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>> stunds have been ordered to clear the way to government buildings by the morning. looks like you still have a lot of people behind you. >> it doesn't look like any of the people here are leaving any time soon. you have had thousands of demonstrators sleeping there on the pavement night after night for eight nights. the government has made numerous appeals for the people to

dispurse, to leave. it seems that the point in question here is whether or not government workers can get into the government buildings. some of the student leaders have said yes, we're going to let that happen, but we have also learned that sometimes what the student leaders say isn't really implemented on the ground by some of the rank and file protesters. so that will be a question to watch as daybreak approaches and the opening hour for offices comes. for the time being things do look rather stat tiic here. some of the kids kind of tired after a week of sleeping on the pavement. >> what happens if the protesters don't leave. what are they expecting to experience? >> that has been one of the big questions all along. will the government try to use the security forces to clean out this encampment that has been okccupying this stretch of an

eight lane highway? will they use force? will they use tear gas and pepper spray and rubber bullets? we have not seen any signs of those types of tactics and if anything it was the use of tear gas that helped trigger this protest movement in the first place. the reaction to it, which attracted a lot of sympathy to the demonstrators. so both sides are in a bit of a bind. the demonstrators are increasingly coming under fire from some sectors of society who say enough is enough. you guys are snarling traffic. it's time for life to get back to usual. the security forces under pressure perhaps to find some way to get these demonstrators out of here with the full knowledge that if they use force in a city that has long had a reputation of stability, that that could blow up in the

police's face and one again they would become a target of criticism and that would give sympathy and put protesters on the moral high ground. there had been communications between some of the fwmt and students that have been talking to figure out how to talk. so we will have to wait and see if that can help break this deadlock here. >> all right. thank you so much. keep us posted there from hong kong. >> all right. now to a rare and personal look inside the ebola crisis. it comes from one remarkable woman who has lived in liberia for more than nine years. her mission is to empower young girls. so good to see you. you have seen firsthand this

ebola crisis. you have taken a lot of pictures that you have also shared on instagram. kind of explain to us what has been most notable to you and why you took photos. >> i really like to story tell, but i want the world to see the faces and know the names and the people that exist behind all of these numbers that everybody is seeing and hearing about on the news. on the ground here it's definitely, you know, it feels -- it's pretty insane and intense. five of my neighbors have died. it feel feels it feels like thed wants to help but they don't know what to do. it almost feels like everybody is so afraid that they have left

these people to die on their own. >> and then, you know, as we look at these pictures and you can see the sadness in these children's eyes. you are seeing and interacting with little people whose what are they saying to you about what they are struggling with? what are they sharing with you? >> one of my moments that i will never forget until the day that i die was looking into a little boy's eyes who was dying. we were able to give him a blanket and juice and say that we love him and he's not alone and he matters. with the little energy that he had he said god will bless you. the children don't have a lot of energy to speak. i have been able to talk to some

of the family members. before they know that they're sick but not so far that they can't speak any more. and they're afraid. i think people are deathly afraid and scared. >> we know that the obama administration has approved possibly treatment centers that would be set up by u.s. troops that would come to west african nations. how do you see that as potentially helping. are you concerned about who will actually be there to administer the health care? >> there is a hope in the air. people are excited that someone is going to come and rescue and help. but the reality is we're not seeing it yet.

they need the training. so we think lit be here. and i feel like -- i know there are people landing and there are meetings happening and people are planning but as far as on the ground it doesn't -- there is not a huge impact at this point. but etu, that will be a game changer for here, the ebola treatment unit. if there is a place to bring sick people, the ebola won't spread as quickly within the community. that would be a huge help. but it just needs to happen faster. >> how are you staying well? or have you had any close calls? >> i had training by who and unicef on how to get ebola, how to stay safe. our whole staff have had that training. if you're working in liberia right now you're definitely, it's risky for everybody. we're trying to stay as safely

as we can and not touching anybody who was sick. but of course there is always that little bit if you're one of my friends who was supposed to move in today. he is an american that got ebola. that was a cake up call for all of us. you can't see it but it's definitely there. and you have to be as careful as you possibly can. we have to act and act as fast as we can at the same time as being careful. >> i'm sure they are very worried about you all the time. >> my mother is in new jersey and she keeps telling me about how i can do so much more from home and wants me to come back but she also, she believes that i'm in god's hands and is trying to let me and my life be and remain there. >> i'm sure they are very proud of you. you're doing great work. i know the little kids are

appreciative of all that you do there. thanks so much and all the best to you. keep in touch with us. >> thank you. >> a new search for the missing malaysian airliner is about to begin. but a brother of a missing passenger is not optimistic at all that they will find anything. we will tell you why next. when folks think about what they get from alaska, they think salmon and energy. but the energy bp produces up here creates something else as well: jobs all over america.

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trying to mislead you about the effects of proposition 46. well here's the truth: 46 will save lives. it will save money too.

i'm bob pack, and i'm fighting for prop 46 because i lost my two children to preventable medical errors and i don't want anyone else to lose theirs. the three provisions in 46 will reduce medical errors and protect patients. save money and save lives. yes on 46.

>> a new search is scheduled to begin in the indian ocean. cnn explains. >> jack never dreamt he would still be wondering where his sister is. she was a passenger on a flight she was not supposed to be on her mother and grandmother were on another flight but she agreed to swap tickets to help another family out. not a single trace has been found. as a new phase of the search

begins, song criticizes what he considers to be a lack of open information and investigation. with time, i just say, waste of time. >> but australian officials in charge of the operation are cautiously optimistic the refined search area will bring results. it covers 60,000 square kilometers, roughly the size of west virginia or croatia. how will it work? three ships will be equipped with a tow fish with sonar and a camera to be towed about 100 meters above the ocean floor. data will be transmitted to the ship and on a daily basis, via satellite to shore. >> how fast it goes depends on the terrain they're covering.

some families have lost confidence. some have cast doubt on whether this is the right spot. >> joining me now to talk about the new search for the missing airliner is marry. jack song, the brother we just heard from thinks this new search the useless. what do you think? >> well, i think the new search area is really all they have. it may turn out to be useless but i think it's very important that it is done. the malaysian military did a

terrible thing and they saw it go out back across malaysia and head towards the south indian ocean in those days there was a chance to find wreckage and debris which is very important to analyze the dreft of the sea and figure out where the plane went into the water. without that data it's very, very difficult to find and that's why this mapping job has helped and then the sonar will help narrow in. so they are looking in the only area they have to look. so that's why i can certainly sympathize with the family members, but this is it. this is the only place they have to search. >> we're told this search could take up to a year to complete. that is pain staking. is there a reason why besides the fact that we're just talking about a fast area.

remember so much focus was on the pinger. so that couldn't have spoebl be the plane. but now without the benefit of that it is literally going be -- the ships will be taking the towed sonar device back and forth across the area. they have calculated several possible routs that it could be on. >> and the families are saying they're still not getting enough information? what kind of conversation should they be getting that they're not getting? >> well, i think what would go along a way and i talk with many

family members. it's amazing what they're not getting. they are getting their news from the television and contrast that with other currencies where families of air crash victims or lost plane victims are given regularly scheduled briefings by their agencies. by the ntsb or the aaib in other countries. so it would be important at least to give them briefings as to what is going on but right now they're relying on the media. >> all right. seven months later. is it your thinking that you would have hoped there would be some kind of information? >> yes. and if not any indication, just a daily briefing or not daily, even a monthly briefing would be an improvement as to what they're doing. but i do fear those four days

that were lost in the search because of the malaysian military's failure to inform them that they had seen the plane cross back across malaysia, that did do a terrible blow to the search. >> all right. mary. thank you so much. martin savage takes a closer look at what happened to flight 360. >> 19 minutes after the last communication with the cockpit, flight 370 has disappeared. a controller calls for help. >> fundamentally, nobody expects one of the planes to fall out of the sky. nobody expects it to vanish.

>> and air traffic control is told a completely different story. they say that it has not vanished at all. >> malaysia said they knew where it was but they had had no communication. their system showed that the aircraft continued to go on that heading. >> malaysia airlines gives more promising messages. they had exchanged signals with the flight. the plane was in normal condition and the plane was flying off the coast of vietnam. >> at that point the guard is let down. you start going in a different direction. you're just trying to communicate. >> but an hour and a half after that first reassuring message, a tragic realization. malaysia airlines now tells air

traffic control the information was wrong. >> and you can see vanished, the mystery of flight 370 tuesday 9:00 p.m. eastern right here on cnn. we will be right back.

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>> cdc director will brief president obama on the ebola crisis. his agency is taking 800 calls and e-mails a day on the cdc hot line. >> we're intensively informing everyone in the health care system who could have contact with somebody coming in to think about ebola and keep it top of mind. >> dr. jessica snowden is a disease specialist at the university of nebraska medical

center. nice to see you again. >> thanks for having me back. >> if there was more of a serum that was used for the two americans treated in atlanta which appears to have worked, why, how was the patient in dallas likely being treated? >> certainly the mainstay therapy for ebola is going to be a support. potentially supporting their fluid status. you will lose a lot of fluids through bleeding and other processes through the virus. so the biggest thing we will do is support the supply. make sure they have enough blood to pump out to the rest of the body and we're helping the heart pump as well as it can. the mainstay of therapy is really supportive care. >> now another patient was treated at your facility at your

hospital. and i understand that he actually received a blood transfusion from one of the american patients that was treated at university hospital. he did not receive that serum which is unavailable but now we understand he is in a boston hospital, he is in isolation for a cough and fever but it's not clear whether it's related. was this the expectation that perhaps if someone may have rebounded, there could be some residual effects? >> it's not typical for the fever to rebound. generally once you have recovered from the february ril part of the illness you are considered recovered from the virus. i don't know anything about his specific case but we do not expect a recurring fever. >> what is it about your

facility there in nebraska that is suitable, you know, that is equipped to be able to handle patients with ebola. we understand the nbc freelance photographer who will be leaving liberia later this evening will be arriving there for treatment by tomorrow. what is it about your facility or is it the level of expertise in being able to hand thl disease or virus? as we as managing infection control and patients themselves. we have outstanding physicians that have been taking care of

the patients are world class. we have an excellent situation to take care of people. it is an undiscovered gem here. we provide excellent care and something that people were not really aware of. >> to find out more information about how you can fight ebow la, go to the web. cnn.com/impact to get more information on that. and we will be right back. [door bell rings]

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>> ahead of their new term that begins tomorrow. many are wondering will same sex marriage be on the agenda? erin says that's not the only hot buttton issue before the

court. >> this is just too important. they can't stay out. it would be ridiculous for the nation's highest court not to decide this issue. >> 31 states ban same sex marriage. while homo sexual couples say that they deserve rights, others say the court should stay out of the fight. >> on such an issue where there are strong opinions, this is a huge issue of social change. when the court steps in and makes it into a constitutional issue it makes the court look significantly more political in the eyes of the american people.

>> other key disputes grabbing attention, whether a no beards prison policy violates rights of muslim inmates and policing speech crimes in the digital age. just when do online threats cross the line from free speech into criminal conduct? >> it often can be dif couple to judge the intent. the question is whether you have to show -- that they intended to make a true threat or is the issue whether a reasonable person reading those facebook posts would have considered him or herself to be seriously threatened. >> cnn, washington. >> and washington's newest me moral opened its doors today. it honors the nation's disabled veterans. we will take you there next.

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>> let's never rush into war because it is america's sons and daughters who bare the scars of war forever. let's only send them into harm's way when absolutely necessary. >> this is the first and only memorial designed to honor the living. there are no other memorials that honor the living individuals. we honor the living today of nearly 4 million disabled veterans. the countless millions that have gone before us and those who will come after us.

to those that come home disabled, whose first day of their disability begins when they come home from war and it goes on for the rest of their life. and they have to deal with it every single day. the best form as washington said of public justice is to honor them and take care of them. >> to be the flame is a direct reflection of that undying spirit of patriotism that they had when they don the uniform, when they return home injured, disabled for life. that's what the flame represents. the sculpture, the bronze, the

entrance on the glass is the voice of america. and it's say ing saying it make think of the individual who will never see a beautiful sunshine that we take for granted. and for me personally as a disabled veteran, the fact that i will never be able to hold hands with my wife.

>> gorgeous place of honor. >> what if you want to be in a huge las vegas show. heroes have been chosen. now it's your turn to pick the one most deserving of the title cnn hero of the year. here is anderson cooper. >> i want to show you how you can choose who should be cnn hero of the year. >> once you have decided who inspires you the most, click down here and then the new page comes up. it shows you all of the top ten

heroes. choose a person to vote for. i'm going -- his photo will show up down here under your selection. type in the security code. just make your selection and click over here. then rally your friends. we will reveal your hero of the year. a cnn tradition that promises to inspire.

>> somebody's got to do it. here is a preview of the first episode.

>> you will be amazed at how excellent my behavior can be in a confined space. >> i am surprised how i can be. >> that's right. >> i might care when i go down to depth. >> everything squeezes? >> you may want to go change.

>> it feels like a dream. >> take two. nicely done. >> how are you doing? >> getting in the water here. >> he takes the plunge. >> really the question was in situations like that if you follow it up. and in this show people drop from the ceiling 80 feet into a pool of water and sometimes the water, a stage rises up from the water and people are like dancing on the stage. people with no bones. it's very strange. and scuba divers are under the

stage with oxygen waiting for the people who dive in because they never resurface again and they give them air. >> and from that i guess there is a trapeze where you drop about 08 feet? >> they call it talk for hours. a spectacle in the show. to me the real point is who were the people who were actually behind the scenes the further you go, the weirder it gets. >> oh my gosh. and a lot of it was spoon tan owe. >> we don't do take two. we're very, very transparent in the way we shoot.

the viewers there are every step of the way. >> it's. >> that's going to do it for me. the next hour begins now from new york. >> the head of the cdc is sounding a note of optimism about the u.s. government's ability to stop ebola in its straks. he says that the ten or so people in this