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what can we do for you? and now, "bbc world news america." >> this is bbc "world news america." the pentagon orders a review of security after it found the man who killed 12 people at the washington navy yard was a military contractor. the amazing time lapse of the costa concordia 20 months after it ran aground. the damaged ship is hoisted up right. prince harry prepares his journey to the south pole by sleeping in a freezer.

welcome to our viewers on public television and around the globe. the u.s. navy ordered a review of security and military bases after 12 people were shot dead at the navy yard here in washington, d.c. the gun man was a former sailor her work as a defense contractor as ailor who worked defense contractor. how was someone with his background given access to what was meant to be a secure site? the defense secretary honored the 12 victims, all civilian workers of the naval hq. the police presence is still heavy. they are still looking for answers. >> we had officers who heroically went into a building, witnessing multiple casualties, and continued to pursue and engage a gunman who was

determined to kill as many people as possible. werely essential personnel allowed inside today. the 24 hours earlier, aaron alexis had entered, mass murder in his mind on his passes in order. -- mind, his passes in order. securityigh level of -- he had a high level of security. carhot out the tires of a because of his anger at the owner. he fired into a neighbor's home after a row. the police did not think it was worth prosecuting either case. he told friends he was suffering from posttraumatic stress. he heard voices and had panic attacks. >> i encouraged him every chance i could get. not wantbecause i did them to get discouraged. he got discouraged about something. gone andeally sad he's

he took 12 people with him. >> the nation's capital was devastated by a senseless act of violence. just a few short blocks from here. >> at the stadium close to the headquarters, a minute of silence. it has become a familiar ritual after another armed rampage. the emotion, only a few called for action. gun control is not back on the agenda. bbc news, washington. >> sum or on yesterday's shooting, i spoke with rick nelson, a former navy helicopter pilot. how important was that somebody with this kind of background, with a known record of gun violence, manages to get security clearance to an american military facility? question, nott only was he able to get secret clearance, but a badge to get

unfettered access to the military compound. you have worked in the navy, you of work in the white house national security. what's the procedure someone has to go to to get the kind of badge that would get them into the navy yard? >> two separate checks. the security clearance is a pretty arab background. they go out -- thorough backgro und. they go out and interview your friends and family. to get access to the base, you need a sponsor, someone who says they are your there -- that you are there to do work. fact that hee the had been reported to have shotguns at somebody's tires, shot a gun into a ceiling of his neighbor's, would this have been flagged up? >> we don't know at this juncture. it's a good question.

it is serious if that is the case. proper adjudication of his file, to make sure somebody dug this -- like this doesn't get this kind of access. >> the vast majority do not go out and do what mr. alexis did yesterday. how do we flagged better those that might do? >> it's a sensitive subject. there are various degrees of mental illness. not everyone who has a mental illness commits acts of violence. trying to figure out who those individuals are that will cross that line -- >> whether they might have a motive, for example? >> exactly. it is a near impossible task. >> you look at the state of the u.s. military today. military is relying more and more on these private contractors and subcontractors.

we have seen the case of edward snowden, a contractor who did not have the best background for the job he was doing, perhaps. are you concerned about that, yesterday? >> i'm concerned about a lot of things that happen with budget cuts for the military. righttration cuts are across the board. you don't get to pick and choose where you are going to cut. when you see those cuts take place, you don't know what the impact is going to be. it's difficult to take a direct correlation here. >> there are more and more contractors being used. thanks for a much for coming in. questionst of surrounding yesterday's awful shooting here in washington. nearly 24 hours, but now engineers in italy have succeeded in lifting the capsized costa concordia. this a year and a half after the cruise ship ran aground in italy.

remarkable and remarkably expensive salvage operation -- >> from dawn to dusk, and through the night, they worked at this complex of operations. 19 hours. until shortly before sunrise, the costa concordia was finally up right. this is now the view from the island. a floating palace, where once honeymoons and birthdays were celebrated. today, a twisted reminder of the 32 people who died. we saw someone's suitcase, we think. some curtains. and the bridge where the captain made his fateful decision. the first thing this morning, we found the salvage master, exhausted. >> i think everyone is very

pleased. it was a good challenge, and .t's not over yet at least it is as we planned it. >> this operation still has a long way to go. a believe there are two more bodies inside the ship, and want to recover those. they will put massive flotation tanks on the damaged sides of the ship. it will not be until next spring that they can bring her up from the depths until her away. >> relatives of the two missing arrived here, hoping they will be found. will now concordia finally give up all her secrets. matthew price, bbc news. >> if you take a look on our website, you will see that time lapse video. iraq say the car

bombings across baghdad has killed 16 people. officials say the deadliest attacks took place when a car bomb exploded on a commercial fleet and a northeastern suburb of the capital -- in the northeastern suburb of the capital, killing five people a you and human rights investigation -- people. a human rights investigation into atrocities and north korea. testimony of former inmates given to international investigators. cases included children imprisoned from birth, then starved. babebwe's president mugar vows to press ahead with a controversial program -- mugabe vows to press ahead with a controversial program. program will be pursued with renewed vigor. a session was boycotted by the opposition party.

the brazilian president said she has called off a state visit to washington amid revelations that the u.s. spied on her personal communications. dilma rousseff was scheduled to be here next month, a trip that would include a white house state dinner. relations between the two countries deteriorated shortly after the details of u.s. surveillance programs were leaked by nsa contractor edward snowden. i spoke about the station relationship with the council of the americas a short time ago. what is it that dilma rousseff is unhappy about? >> who doesn't like that the u.s. is spying on brazil. the u.s. seems to be spying on her personally. her own background is that she was a revolutionary fighter against the dictatorship in prison, tortured by the brazilian dictatorship in the 1960's in 1970's. the idea that a foreign power may be spying or doing things they probably should not, particularly one that claims to be her friend, is something that has caught the brazilians in a

way that they just would refer to not have that type of relationship. >> what were the americans looking for? >> it's unclear. it is pretty routine, to be honest, that the u.s. would be looking at communications among senior leaders for most countries. brazil is no exception. >> i tried to look around to see how many other leaders have called off a state visit of this nature. i could not find anyone in history. all the pomp and circumstance of what happens in these visits, and i'm not going to go -- she seems to be the first. >> i think it is a huge statement. if you look at the last time brazil had a statement, it was 1995. of their first ladies with them. they had a strong relationship. years, aast-forward 20 state visit the brazilians had

been actively pursuing. not only is it not the same type of warm personal meeting, it is not going to be a meeting at all. blow to american- brazilian relationship, or is this really about dilma rousseff 's own politics because she faces reelection next year? >> it is both. the business community in brazil does not care for it, but that's not her constituency. there are some political elements there. her poll ratings have been down. she does need something to build up her political standing. it does hurt the bilateral relationship. when presidents get together, it drives the agenda, it drives the bureaucracies to move forward to produce all the things they're working on for the last years. cooperation,how new initiatives. if you take off that meeting, you really undercut some of the other things the bureaucracies have been looking to do. it will have broad implications.

>> and implications in the short term as well. thank you. we received a statement from the brazilian government which says, the illegal practice of intercepting communications and data of citizens, business and members of the brazilian government constitutes a serious act which threatens national sovereignty and individual rights and which they say is incompatible with democratic coexistence between friendly countries. from foreign policy to domestic u.s.rns, the state of the economy -- as the u.s. federal reserve meets today and tomorrow, its key issue is when it will stop pumping money into the system to stimulate economic growth. indicators suggest the american better.is doing but with unemployment high, many worry about the fed turning off the tap. stephanie flanders reports for baltimore. >> it is big news for the whole

ofbal economy if the flood cheap money from the u.s. begins to dry up. america's central-bank cares about the rest of the world, but what it has to care most about is what is happening here. in america today, there is huge optimism about u.s. businesses. huge uncertainty about when that will filter through to wages and jobs. candlesapeake bay company is a good news story. they use to make all the candles in asia. now a third are made right here. with 62 people, we are able to produce one third of what they are producing with 1200 people. you can see the efficiency. you can also see how you might have a big rise in

production in america, and not have a very large increase of employment to go with it. >> it is intensive. >> they know all about tipping points in east baltimore. they have been losing people and jobs for decades. this is the arc, a preschool program for homeless children, the only one of its kind in the city. are more jobs being created in baltimore, they are not going to the moms here. do you feel that the government is getting better --economy is getting better? >> no. i'm at the bottom of the totem pole. i'm just a working person trying to make ends meet and take care of my kids. i don't see any of that. >> the unemployment rate has fallen to its lowest level in five years. 7.3% in the last few months.

that number would be close to 11% if the people who dropped out of the workforce would still be looking for jobs. there are fewer people working in america today than before the crisis. all of which explains the choice facing the auto reserve and why it is so difficult -- federal reserve and why it is so difficult. >> the impression you have is right. when you are here, you don't feel that it is recovered. the fed is doing unusual things it has never done before. it is nervous about that, too. >> the decision this week could take the u.s. central bank one step of the way back to normal. it doesn't want anyone to think america has got there yet. stephanie flanders, bbc news in baltimore. >> you're watching bbc world news america. still to come, how safe are america's nuclear weapons? a new book may give you cause for concern.

a search-and-rescue operation still underway after flash floods hit colorado. it is the largest airlift in the u.s. since hurricane katrina. the devastation caused by the flooding is on a massive scale. hundreds of people are still being plucked from their homes days after the flash floods hit. hundreds are still unaccounted for. the search-and-rescue is continuing. you fly over the area, spot the homes, and if there is people down there, you dropped and and make sure everybody is ok and bring out people who are ready to come out. the rain which hampered the relief effort has finally stopped. the scale and impact of what they are calling 100 year flood is becoming clearer. communities have been cut off. roads were swept away.

some people have to walk out to safety durin. in parts of colorado, twice the rain expected in a year fell in just a few days. at least 75 homes have been damaged, 1500 destroyed completely. >> it's a mess. everything is destroyed. shock.just in >> those who have been able to get back to their homes have a huge amount of cleaning up to do. >> we were able to get my wedding ring and videos of my kids. repairing the damage and getting people back into their homes is going to take months, if not years. finding them temporary housing is now the priority.

bbc news, los angeles. 12 years ago, the book "fast food nation" shocked many of us with its revolutions about how addictive fast food really is. and now another alarming subject, nuclear weapons. and control," he reveals the accidents and near misses that have taken place throughout america's atomic weapons history. he joined me to talk about these dangerous findings. how many near misses have there bombs thattomic might have caused disasters in this country? >> i don't know. the pentagon released a list of 32 broken arrows, which is their official list of dangerous nuclear accidents. >> that's a lot. >> i found there have been many more than that.

i got declassified under the freedom of information act a report that said that more than 1000 nuclear weapons have been involved in accidents of one kind or another. some were probably trivial. some really were not. there is no way to say for certain -- many more serious accidents have been reported, and many more than you would like to have happen. >> one is probably more than anybody would like to have happen. how close have we come to having a serious nuclear accident because -- incident because of an accident? to having come close american nuclear weapons detonated on american soil. someok tells the story at length of an accident in damascus, arkansas, involving the largest ballistic missile we ever built with the most powerful warhead that we ever put on a missile. this one warhead was more powerful, three times more powerful than all the bombs used

in the second world war, including both atomic bombs. that is the accident i write about at length, but there were others. >> the damascus incident was human error? >> yes. >> when you think of the kinds of things that can go wrong, and look at the countries today that have new their weapons, a lot of systems -- how nervous should we be? >> we should be seriously concerned. these are machines made by people. they are inherently flawed. one of the themes of the book is, we are much better at creating complex technologies that we are at managing them. in the case of the damascus accident, the most immediate cause was someone dropping a tool that pierced the skin of the missile and caused a fuel leak. it was not just human error. it was systemic problems.

it was an obsolete weapon that should have been taken out of service many years previously. there was understaffing, shortages of spare parts. you say what seems like a simple human error points to a much deeper problem. >> which country worries you most? >> right now, pakistan. all the revelations that snowden has been responsible for, the one that concerns me the most is that the american intelligence community knows very little about how pakistan is storing, maintaining, moving, deploying its weapons. when you have two nuclear states such as india and pakistan who have a border, who have very intense hatred and have a lot of nuclear weapons, something could happen deliberately. it could happen by accident. a weapon might be stolen. >> thanks very much for coming

in. a freezer is not the most obvious place to spend the night , especially perhaps for a prince. that is what prince harry did last night to help prepare for an upcoming journey. in november, he heads to the south pole. liz copper has the details. >> emerging shivering after 20 hours, prince harry and the other members of the team will be racing to the south pole. after a grueling training exercise, which finished at 7:00 this morning, how is he feeling? >> cold. >> it is camaraderie that has this team going so far. they bonded together in conditions that tested them to the limit. >> he's got the military training. this is second nature to him as well.

he is a very valuable member of the team. reached -58res have degrees in this freezer. it's a first-time prince harry and the team have encountered such extreme conditions. his teammates have amputated limbs after sustaining injuries in afghanistan. good totually quite learn. you notice the parts of your body where the haute -- heat seaks away immediately. >> the challenge will begin in late november, when the team will be united in reaching their ultimate goal, arriving together at the south pole. , bbc news. >> that would make me want to head straight for the sun.

real dedication there. that brings us to a close. check out your local listings. i'm katty kay. thanks for watching. >> make sense of international news at bbc.com/news. >> funding of this presentation is made possible by the freeman foundation of new york,stowe, vermont, and honolulu, newman's own foundation, giving all profits to charity and pursuing the common good for over 30 years, >> and unionnk. bank, our relationship managers work hard to understand the industry you operate in, working to nurture new ventures and help provide capital for key

strategic decisions. we offer expertise and tailored solutions in a wide range of industries. what can we do for you? >> "bbc world news" was presented by kcet, los angeles.

captioning sponsored by macneil/lehrer productions >> woodruff: the gunman who murdered 12 people at washington's navy yard showed signs of mental illness and complained of hearing voices, but was still able to keep his security clearance. >> ifill: plus, the story of families whose lives have been washed away by devastating floods in colorado. >> i actually saw the face of my house, my gut went to my feet. there was nothing salvageable. i don't even know how to describe it. >> woodruff: and we trek north-- far north-- where melting arctic ice has spurred a boom in shipping, but raised concerns about navigating uncharted waters. >> i think the surface of mars has been mapped better than our oceans have