mark strassmann in atlanta, mark, thank you so much. and turning overseas, a confrontation today between the two koreas. they fired artillery shells at each other after the north warned the south to stop military drills near their sea border. two south koreans were killed and 18 were wounded. the white house blames the north and says president obama is "outraged." late today, his national security team met to discuss how to respond. celia hatton has more on the clash between the koreas. >> reporter: residents on the south korean island of yeonpyeong ran for their lives as north and south korea exchanged artillery fire for an hour. dozens of shells rained down on the island and its fishing village near the disputed korean border. "it was like war, my house burned down" says this resident, one of 1,200 civilians evacuated from the now-empty island. it was the worst military confrontation between the koreas in decades. as soon as the shooting stopped a war of words began, with each country claiming the other fired the first shots. all this took place amid heightened tensions on the korean peninsula. north korea is in the process of passing power from the country's ailing leader kim jong il to his son, the inexperienced kim jong un. >> he's protecting his own regime, propping up his son for the future and trying to protect the regime of kim jong il, his father kim il sung and his son kim jong un for eternity. >> reporter: many believe that's why the north is being more provocative. in march, they torpedo a ship and killed 46 sailors. they unveiled their newest nuclear facility capable of enriching weapons-grade uranium. the sophistication of the facility was a surprise to visiting american scientists. >> i said oh, my god, they actually did what they said they were going to do. >> reporter: south korea's president, lee myung-bak, warned that the south won't tolerate attacks on civilians. as these confrontations escalate, so does the threat of a full-blown korean confrontation the world has tried to avoid. celia hatton, cbs news, beijing. >> couric: meanwhile, in afghanistan, after nine years of war, nato and afghan leaders felt the time was right to open a dialogue with the taliban. they even held secret meetings with an insurgent leader-- at least that's what they thought they did. here's chief white house correspondent chip reid with one incredible story. >> reporter: in recent months, u.s. and nato forces have provided by safe passage for taliban leaders from their hideouts in pakistan to kabul for preliminary talks with afghan leaders, including president hamid karzai. both sides hoped the talks might eventually lead to negotiations to end the war. but there's one major problem. sources say the top taliban official in the room-- mullah mohammed mansour was really an impostor. including one report, a lowly shopkeeper who received large sums of money from afghan officials to attend. president karzai today decided he never met with the man, calling the reports propaganda, but the top u.s. commander in afghanistan, who has encouraged talks with taliban leaders, said he wasn't surprised by reports of a fraud. >> there was skepticism about one of these all along and it may well be that that skepticism was well founded. >> reporter: theories of why the man posed as a taliban leader range from a simple get rich quick scheme to an elaborate deception by the taliban or even pakistan in retaliation for being cut out of the talks. >> the damage done is damage done to the credibility of the united states and the karzai government because they were in essence dealing with a con man. >> reporter: now, efforts to talk to the taliban are expected to continue, but this incident was a warning about how easy it is to get burned. katie? >> couric: chip reid at the white house, chip, thank you. in health news, an exciting development in the battle against aids. a new study finds truvada, a pill that treats h.i.v. infection, can also prevent the virus from spreading. researchers say giving truvada to high-risk men along with counseling and condom use reduced their risk of getting h.i.v. by an average of 44%. meanwhile, pope benedict says for the first time condoms are okay to protect against h.i.v. and other diseases. that historic statement is in a new book released today as the u.n. announced increased condom use has led to a 20% drop in new h.i.v. infections worldwide over the past decade. elaine quijano has more on the pope's new approach to aids. >> reporter: in kenya, where more than a million people are infected with h.i.v., residents cheered the pope's recent remarks that using condoms to prevent spreading h.i.v./aids could be a responsible choice. >> reporter: a top vatican official was careful to say the pope was tackling the issue of condoms as disease prevention, not birth control. in the book "light of the world" pope benedict says: >> what the pope says about condom use doesn't really represent a change in church teaching because the real ban on contraception is really for married couples. >> reporter: analysts say the church has never formally addressed the issue of contraception outside marriage, making the pope's comments especially important. >> what this does is it says, well, maybe if you have a different intention when using a condom, that's in a different moral category and we can maybe think differently about that. that's the new conversation that we will likely have. >> reporter: because up until this point, that wasn't even something that was publicly discussed as a possibility. >> not by the pope. >> reporter: given the aids crisis, critics have argued the church's disapproval of condom use was morally wrong. but now public health advocates worldwide are applauding the pope's comments, hoping a more open dialogue might save more lives. elaine quijano, cbs news, new york. >> couric: and coming up next, saving social security. is the answer raising the retirement age to almost 70? and later, springtime in london. where to go if you're invited to that royal wedding. by helping to keep blood platelets from sticking together and forming dangerous clots. ask your doctor if plavix is right for you. protection that helps save lives. [ female announcer ] certain genetic factors and some medicines, such as prilosec, reduce the effect of plavix leaving you at greater risk for heart attack and stroke. your doctor may use genetic tests to determine treatment. don't stop taking plavix without talking to your doctor as your risk of heart attack or stroke may increase. people with stomach ulcers or conditions that cause bleeding should not use plavix. taking plavix alone or with some other medicines, including aspirin, may increase bleeding risk, so tell your doctor when planning surgery. tell your doctor all medicines you take, including aspirin, especially if you've had a stroke. if fever, unexplained weakness or confusion develops, tell your doctor promptly. these may be signs of ttp, a rare but potentially life-threatening condition, reported sometimes less than 2 weeks after starting plavix. other rare but serious side effects may occur. reported sometimes less than 2 weeks after starting plavix. it's that time of year. time for campbell's green bean casserole. you'll find the recipe at campbellskitchen.com. campbell's.® it's amazing what soup can do.™ do you often experience the feeling of a dry mouth? it can be the side effect of many medications. dry mouth can be frustrating... and ignoring it can lead to... sipping water can help, but dentists recommend biotene. biotene moisturizes and helps supplement some of saliva's enzymes, providing soothing relief when you need it most. don't ignore dry mouth. look for biotene in your oral care section today. this has been medifacts for biotene. i love it. not wash. power wash. ok. whoa. 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[ female announcer ] excedrin. for life's headaches. >> couric: they can see the goalpost. the oldest of the baby boomers turn 65 next year and for many that mean retirement. as more boomers pack it in, the number of americans collecting social security retirement benefits is projected to double over the next 25 years to more than 76 million. the system won't be able to handle the strain without a major overhaul. tonight in partnership with "u.s.a. today," anthony mason continues our series "senior moment." >> reporter: social security pays out more than $700 billion a year, but the system is headed for a crisis. >> americans are living longer but they're retiring earlier and saving less. something in that equation has to give. >> reporter: with 70 million baby boomers headed towards retirement, the government is confronting a painful reality. >> we as a country have made promises we can't keep. >> reporter: erskine bowles and alan simpson, co-chairs of the president's bipartisan deficit commission, have proposed gradually raising the retirement age-- now 66-- to 69, igniting a debate on capitol hill. congress may argue over how to reform the system, but there's no debate where we're running out of time. under current projections, in just 27 years, social security won't have enough money coming in to pay out benefits to every one who is eligible. today, there are nearly three workers for each social security beneficiary. by 2035, there will be only 2.1. >> this social security measure... >> reporter: f.d.r. signed the social security act into law in 1935. >> what he wanted to do was to establish a principle that somehow if people had worked all their lives, we, the americans, owed them security. >> reporter: historian doris kearns goodwin says another intention was to get older workers to retire so younger workers could get jobs. >> it's ironic that today we're in the opposite direction in wanting the older people to work longer so that we can afford to keep paying them. >> social security was originally designed as insurance against poverty for people in old age. today social security is paying more and more benefits to people who are essentially middle aged and middle or high-income. >> reporter: in 1950, the typical retiree didn't claim social security until age 68. today the average claiming age is 63 when typically a retiree has another 20 years to live. do you think we have to raise the retirement age? >> i think it's one of the easier things to do to make this thing work. but we shouldn't do it on current seniors. >> reporter: wisconsin republican paul ryan will head the house budget committee in the next congress. >> after the retirement age reaches 67, what i would propose is to have the retirement age pegged to longevity. >> reporter: the increases would be phased in over decades. >> so for my generation the retirement age will be 67, for my kids 68, 69 down. they wouldn't reach 70 until the year 2103. >> reporter: nearly a century from now. the workers who'd have to worry about that have not even been born yet. a government study did raise a red flag last week, warning that raising the retirement age would hurt poorer workers the most and increase disability claims by those elderly unable to work. katie? >> couric: anthony, what about people who have very physical jobs and they have to retire earlier? >> reporter: most of these proposals would create a special category for them. the deficit commissions, for example, would create what they call a hardship exemption for those who are unable to work beyond 62. >> couric: and raising the retirement age alone is not going to solve all the problems with social security. >> reporter: hard to believe, but that's not enough. all these proposals essentially call for more sacrifices which likely mean a reduction in benefits for the wealthy as well as higher payroll taxes for the wealthy, too. >> couric: all right. anthony mason, thanks so much, anthony. when we come back, a place where turkeys rule the roost-- even during thanksgiving week. captioning sponsored by cbs ah, this is just what the eight layers needed. hey guys. sorry we're late. milk looks warm. finally got the whole gang together. maple brown sugar, strawberry delight, blueberry muffin. yeah, a little family reunion. 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[ female announcer ] mini-wheats® hot. keeps 'em full, keeps 'em focused. and the life you want to live. with rheumatoid arthritis, there's the life you live... fortunately there's enbrel, the #1 most doctor-prescribed biologic medicine for ra. enbrel can help relieve pain, stiffness, fatigue, and stop joint damage. because enbrel suppresses your immune system, it may lower your ability to fight infections. serious, sometimes fatal, events including infections, tuberculosis, lymphoma, and other cancers, and nervous system and blood disorders have occurred. before starting enbrel, your doctor should test you for tuberculosis. ask your doctor if you live or have lived in an area where certain fungal infections are common. don't start enbrel if you have an infection like the flu. tell your doctor if you're prone to infections, have cuts or sores, have had hepatitis b, have been treated for heart failure, or if, while on enbrel, you experience persistent fever, bruising, bleeding, or paleness. ask your rheumatologist if enbrel is right for you. and help bridge the gap between the life you live... and the life you want to live. >> couric: in texas, a catholic priest charged with sexually abusing a teenaged boy is now accused of trying to have the boy killed. john fiala was arrested after meeting with an undercover police officer last week. the police say a neighbor reported that fiala had offered him $5,000 to murder the alleged abused victim. meanwhile, a scare in the air today. a passenger on a southwest flight from burbank, california, to phoenix, found a fully loaded ammunition clip on the floor. the plane landed safely in phoenix but everyone had to be rescreened. an airline spokesman says someone in law enforcement accidentally dropped the clip during a prior flight. now, you'd figure a turkey would be too chicken to show its face in public during thanksgiving week. but here in new york city of all places, 100 wild turkeys have taken over a neighborhood on staten island. they walk where they want when they want, staring down drivers. if anyone had thoughts of serving one on thursday, forget it. they're protected by law. and still ahead, william and kate will make history in a church that has seen quite a lot of it. of it. this holiday, do you really want to cut corners by using a broth with msg? >ç swanson chicken broth has no added msg. so for a perfect holiday meal, the secret is swanson, 100% natural chicken broth. stuffing. the side dish that makes people take sides. take a stand at greatstuffingdebate.com. she starts at dawn and so does her back pain.om. that's two pills for a four hour drive. the drive is done. so it's a day of games and two more pills. the games are over, her pain is back, that's two more pills. and when she's finally home, but hang on, just two aleve can keep back pain away all day with fewer pills than tylenol. this is rachel, who chose aleve and two pills for a day free of pain. ♪ and get the all day pain relief of aleve in liquid gels. ♪ if you live for performance, upgrade to castrol edge advanced synthetic oil. with eight times better wear protection than mobil 1. castrol edge. it's more than just oil. it's liquid engineering. you don't get 100% daily value of any vitamins. unless you do this. but total is the cereal that gives you 100% daily value of 11 essential vitamins and minerals and crunchy oat clusters. total. are you getting 100%? [ water pouring ] beat your worst flu symptoms. new theraflu max d [ punches ] contains the most powerful medicine allowable without a prescription to fight your worst flu symptoms. theraflu max d. serious power. why it was put there in the first place. next on cbs 5 the bay area in for a deep >> couric: finally tonight, the date is set. friday, april 29, the feast of st. catherine. the place? westminster abbey. as markeports, it will be a wedding fit for a future king and his bride-- and 2,000 of their closest friends. >> reporter: unlike her granddaughter in law to be, the queen was not checking out the wedding facilities at westminster abbey when she attended a church of england function there today. it was kate middleton who had provided a major wedding location hint when she visited last week. but now it's official. the invitation-- perhaps like this one-- can go out. william and kate will join the long list of royals who have used the abbey for nine weddings, 38 coronations, and 17 funerals over a thousand years. the queen herself was married here to the then-phillip mountbatten. >> side by side they appear, heading the procession down the knave. >> reporter: and william's been here before, too. once at his uncle prince andrew's failed marriage to sarah ferguson. that's him as a child behind the then-happy couple. and that's him at his mother princess diana's abbey funeral when he was just 15.