Recorder and or the cockpit voice recorder. Those signals the Prime Minister was talking about, they are designed to emit for 30 days. Today is day 36 of the search. Overnight, even the Prime Minister warned that searching for the boxes beneath three miles of water is a daunting task. Overnight, at least ten planes and 14 ships scoured the smallest search zone to date, but that search is still about the size of massachusetts and connecticut combined. Im talking about 16,000 miles. This morning, we have guests exclusive to this program to tackle this issue head on. Andy bowen of the Oceanographic Institute with us today. Woods hole found the wreckage of flight 447. We have expertise of kareen tina symons. I have a lot of questions about the pinger. The depies to emct the signals. We have a lot to tackle so lets get started. The search area is massive. But more intimidating, the depth at which crews might have to search. 13,000 feet down. The eiffel tower, empire state building, 1 World Trade Center and mt. Washington dont have the amount the depths have to go. We have more with andy bowen at the woods hole Oceanographic Institute and christina symons. Before we get to the depths, there is a particular map i have been watching on cnn for the last several days. Could you put that up on the screen now . It shows the triangulation of where the pings have been located. Christina, if the distance is somewhere between 13 and 17 miles, why is the search area between massachusetts and connecticut combined . There is always a bit of error as to where is the sound actually coming from. If you are standing still and you hear something from the sea floor, is it in front of you or behind you. This is why they need multiple ships to hear the sounds from different locations. I suspect the margins of error depicts that. Andy, my knowledge is limited to the days where we were a kid and jumped in the pool and hold our nose and try to talk to one another. Sound is a large part of this. It is, michael. The analogy that christina used, if you heard a gunshot or clap or some loud sound and in the mountains for example, it is difficult to localize the source of the sound. That is the terrain we are dealing with here. On the wallaby plateau. The depths change in 1,000 meters to 6,000 meters. Using the source of the pingers and reducing the uncertainty is the trick that everyone is trying to pull off so the search area can be decreased and made something more manageable in terms of the tools available. The objective, andy, is let the pingers play out and chart the best and at the point they are exhausted because of the battery life, send in the equipment that allow you to find air France Flight 447. That is exactly right. What the search team is doing now is taking the information they gathered from the towed pinger locators and various hits that are shown on the map here and they will be really working hard as they did with the satellite pings that helped to, you know, determine where to search to begin with. It is a game of zeroing in with ever increasing resolution, if you will, until eventually the wreckage will be found. Christina, i made reference to the role you played with james cameron. That was at depths far in excess of what we are talking about in the south indian ocean. What is it like down there . Are there signs of life . Can you see anything at all . Give us a quick education. I would be happy. It is deep. It is nearly twice where they are searching for the black box now. That is seven grand canyons in depth. It is today. You can only see as far as the lights you brought with you which is about 100 feet in front of you. There is life. Teaming with microbial life. Those animals are somehow living at these extreme pressures and cold temperatures. How are they doing that . What can we learn about that . There is pharmaceutical application. We can learn more about the topography and the structure of the sea floor and anticipate how a tsunami would behave and where it would go if triggered by the earthquake. There is so much to learn and we know so little. Andy bowen, i want to learn about the pressure at this depth. Tell me more. There are two aspects that Deploy Technology in these environments difficult. Pressure is probably the predominant one. We are talking about at these depths, it will be 10,000 pounds per square inch, perhaps as high as that. That is equivalent as a couple of big suvs sitting on your big toe. You know, these vehicles have many, many square inches. That adds up literally to millions of pounds trying to squeeze a robot into a smaller space. It has to be Strong Enough to resist these things. Another thing that is really important and i dont think people really appreciate how difficult it is in terms of commutatinicat communication. These ships have to communicate with morse code. Unlike gps that makes missions simple in comparison, we are looking at this job with morse code. The vehicles have to have a high degree of autonomy searching the sea floor. Finally, christina, it is not like you can pull out a map from the glove box and search the ocean floor. The ocean is home to the longest mountain chain. We mapped less than 5 of that. In this area, the search area, they are ready to send, they need to do a thorough survey to have a better sense of what is on the sea floor. Thanks so much to both of you. Andy bowen and christina symons. A round about route for flight 370 makes it look like the plane was trying to avoid detection. How does that influence the investigation . We asked people a question, how much money do you think youll need when you retire . 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Press your tongue against it, like this. It moves do you feel it . It can happen with every denture. These movements may irritate your gums. But you dont have to bear with it. You can try fixodent plus gum care. Thanks to its formula, your gums become one with your denture. This helps stop movement and helps prevent gum irritation so you can keep enjoying life. [ apple crunches ] fixodent. And forget it. agent i understand. dad weve never sold a house before. agent ill walk you guys through every step. dad so if we sell, do you think we can swing it . agent i have the numbers right here and based on the comps that ive found, the timing is perfect. Theres a lot of buyers for a house like yours. dad thats good to know. mom im so excited. Here is the image of the morning. Searchers on a ship overlooking the bow for anything related to flight 370 while towed pingers search for sound underwater. The Ongoing Investigation into what happened to flight 370 is the unfinished story this morning. In malaysia, the focus is on the pilot and the route that the plane took. We heard this week that the plane dipped to an altitude of 4,000 feet or 5,000 feet apparently to avoid detection. Air force colonel has flown with special ops and flown Science Research craft for nasa. Colonel christen, where and how this plane was flown, suggest it was being flown opposed to auto pilot . I think people in the cockpit were manipulating the airplane. You can steer through the auto pilot or manually. Like you just said. A little of both, maybe. A little of both. Clearly they were flying around the land masses and trying to stay over the water. I think it is still unclear why they took that route. Did they have a problem with the aircraft or intentionally trying to evade radar. Im glad you brought that up. Im trying to give every benefit of the doubt to the pilots. Is this in itself suggestive of foul play . Could there be a mechanical reason of the route we shown the audience on that map, why that route was taken . I think going down in altitude and turning around and heading back toward land, that would talk to a problem with the aircraft. Rapid depressurization or an inflight fire. They needed to lose 25,000 feet of altitude so the passengers can breathe just with ambient air at that altitude. You want to perhaps turn the airplane around to the airport to accommodate that plane and land as equickly as possible. At some point, you would expect a mayday call to have been sounded, no . Thats an excellent point. You would want a mayday to sound. There are a couple of things. You have an emergency in your transponder or the radio is not working. If that is not working, there is no communication. This is what doesnt make sense. They turned around. If they did descent or was that data that is not accurate, they should have been talking if there is an aircraft emergency. That did not happen. Another basic question. Can a pilot skirt radar by altering his all ttitude or distance from land mass . We can chart this from satellite information and not from radar information. Right. It sounds like they were out of radar range and thats why that wasnt happening. It is clear that the transponder was turned off or disabled for some reason. That is the secondary target. The primary target is radar energy hitting the airplane and bouncing back to the antenna. That is a primary target. That is what they were not getting. If you go down in altitude because of curvature to the earth and go out to sea, you will have to be a certain distance away from antenna and altitude they will not detect you. Colonel, one final question if i might. Of what significance, if any, sir, the fact that the final voice heard was that of the pilot and not the copilot. Does that tell you anything about the dynamics within the cockpit . It sounded to me like business as usual. Very, very routine. If the captain is talking on the radio, on large aircraft, the captain is talking on the radio, that means the first officer is the one flying the aircraft. Then the captain is catching all of the radio signals. Thanks. Thats insightful. Colonel christensen, thanks. Kissing Congress Member on the ropes apologizing for his actions. And the man who made the pinger of flight 370 joins me. Does he believe the black box discovery is at hand . At od, whatever business youre in, thats the business were in. With Premium Service like one of the best ontime delivery records and a low claims ratio, we do whatever it takes to make your business our business. Od. Helping the world keep promises. Time for headlines redefined. Headlines that got the story half right. This is from the citizen from louisiana. Mccalister caught in extramarital encounter. This is advance mcallister. The kissing congressman. He was caught on video in an embrace with a congressional field office member. They are both married, but not to one another. A quinnipiac survey was released and it tested Voter Attitudes about members of congress misbehaving. How we view the infidelity and abuse of power. Here is what they found. Worse than infidelity or personal hypocrisy is official hypocrisy. Abuse of power. It occurred to me advance mcallister has each of these going. Hes is the headline i would put on the story. My headline, mcallister. Three strikes. Youre out. Number two comes from the New York Times yesterday. Gm places two engineers on leave in inquiry. It is true, General Motors suspended two engineers this week in connection with their investigation into the ignition default that ignition, i should say defect, which is linked to 13 deaths. One of the individuals approved a part change without cataloging a new serial number. It made it more difficult to uncover the defect. The other engineers, when asked in his deposition if General Motors made a business decision not to fix the ignition issuaei answered yes. It would cost 90 cents per car. Now in the First Quarter of this year, General Motors is about to get stung with 1. 3 billion in losses to cover these costs. My headline, penny wise and pound foolish. Headline number three, says the following. Limbaugh blasts colbert pick. Cbs has just declared war on the heartland of america. By now, you certainly know Stephen Colbert is going to replace David Letterman when he retires a year from now. Rush is saying this is a war being called against the heartland of america. I think there is more to the story. I think it is no coincidence back in 2010, Stephen Colbert and jon stewart had a massive rally right on the mall in washington. Their rally followed a glenn beck rally called restoring honor. An al sharpton rally called reclaiming the dream. You know what colberts was called . Rally to restore sanity. The point they made during the course of the rally was to single out the polarizing voice in the media including rush limbaugh. It is time for us to stop ceding the debate. Rally to restore sanity. The headline on this story should have been colbert to restore sanity at 11 30. Finally, i have a threefer for you. The new york post, shes out sick. From the usa today web site. First take, sebelius exits battered and blamed. And from the wall street journal, sebelius to exit amid the turmoil. Hhs secretary Kathleen Sebelius decided she will retire from that post. Does she deserve blame for the rollout . Does she deserve credit for the fact there are more than 7 million enrollees under the Affordable Care act . She certainly weathered a storm last fall during the disastrous rollout last fall. We just still cant tell. We dont know who the 7 million are. We dont know the relative mix with the sick and healthy. We dont know whether long term it will live up to its name. It is the Affordable Care act and will those premiums ultimately be affordable . Here is the headline i would put on this story. My headline sebelius legacy tbd. To be determined. How hard is the ocean search for flight 370 . Ill have a man who makes black box pingers and a man who finds them. Cmon, you want heartburn . When your favorite food starts a fight, fight back fast, with tums. Heartburn relief that neutralizes acid on contact. And goes to work in seconds. Tum, tum tum tum. Tums check the weather. Borrow teds wheelbarrow. Post big tomato pics. Buy a birdhouse for sparrows. Download gardening apps. 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You can try fixodent plus gum care. Thanks to its formula, your gums become one with your denture. This helps stop movement and helps prevent gum irritation so you can keep enjoying life. [ apple crunches ] fixodent. And forget it. The search area has narrowed as planes and ships scour for flight 370. Crews heard several pings over the past several weeks. The ocean with currents and terrains that make it tricky. Joining me now is anish patel. The maker of the actual pinger on the 370 black box. Joining us is fred hague. They m