for "nightline," sharyn alfonsi, abc news, new york. >> our thanks to sharyn alfonsi for that. >>> andxt, is it possible that spiritual nirvana and a hyper-toned tush can be achieved in one sitting? well, we meet people that swear by it. l that overnight shipping. that must cost a fortune. it sure does. well, if it doesn't have to get there overnight, you can save a lot with priority mail flat rate envelopes. one flat rate to any state, just $4.95. that's cool and all... but it ain't my money. i seriously do not care... so, you don't care what anyone says, you want to save this company money! that's exactly what i was saying. hmmm... priority mail flat rate envelopes, just $4.95 only from the postal service. a simpler way to ship. [ door closes, silence ] [ male announcer ] i know what you're thinking. "leather-trimmed command center, "almost 300 horsepower, "infiniti surround sound, "seating for seven -- wait. this is a minivan?" makes you almost want to have kids. [ child screams ] [ male announcer ] almost. the new 2011 dodge grand caravan. now get $2,000 cash allowance or 0% financ

so, tonight, sharyn alfonsi on the three secrets to finding the cheapest gas. and what's not a secret tonight? the holiday traffic. she is stuck in it, right here on new york's west side highway so she's calling in by phone. if you can hear us, sharyn, take it away. >> reporter: well, david, i have to tell you, this hardly feels like the beginning of a relaxes weekend. the exodus has begun. we've been in a crawl trying to get out of the city. at one point, drivers were turning off their engines trying to save gas. we wondered, if you're going to buy gas, what's the best way to do it cheaply? and it turns out, there are a few tricks. we surveyed more than 5,000 gas stations and asked the experts. how can you ease the shock to your wallet? first, fill up on friday. while gas stations will add a penny here or there all week, it turns out most gas stations raise their prices the most steeply on saturdays. so, friday night fill-ups are your best bet. second? think big. mega-club stores, like sam's club, costco and b.j.'s consistently have the lowest prices. on avera

and sharyn alfonsi has more. >> reporter: it's a simple blood test. and while most of us could handle this, could you stomach the results? the test will tell you how long you'll likely live. how? well, it turns out your gray hair or even the wrinkles on your face are not the best indicators of how well you're aging. rather, it's something called telomeres. telomeres are the tips of your chromosomes. you're born with them. as you age, they shorten. this blood test actually measures them. if you have shorter than normal telomeres for someone your age, you're aging faster than normal and will have a shorter life. shorter telomeres are often found in people with heart disease, obesity, alzheimer's. >> it does not give you an expiration date. that doesn't mean you're going to die at 80. >> reporter: the test cost about $700. but do people really want to know how long they'll live? would you want to know? >> no. i just feel it's fate. and what is going to happen is going to happen. >> i don't want to know. >> reporter: what if it's you only had a week left

. >> and sharyn alfonsi sat down with dr. phil. >> reporter: and again, dr. phil is not saying, you've got to quit your job and go climb mt. revest. just find one thing in your life, hobby, volunteering, something you can be passionate about. >> the thing that will light up your world. thank you, sharyn. and tomorrow night, suze orman will share the most important thing she thinks you should do right now for the next 25 years for your financial health. >>> and, coming up, a major new warning tonight about the health of young americans. up, a new concern tonight about the health of young americans. ♪ could that have also inspired its 556 horsepower supercharged engine? ♪ the all-new cadillac cts-v coupe. we don't just make luxury cars, we make cadillacs. a body at rest tends to stay at rest... while a body in motion tends to stay in motion. staying active can actually ease arthritis symptoms. but if you have arthritis, staying active can be difficult. prescription celebrex can help relieve arthritis pain so your body can stay in motion. because just one 200mg

alfonsi. >> millions of kleenex all across the country next week. sharynlara joins "the mob wives" and ra ralph macchio joins us live. ♪ ♪ [ female announcer ] nutri-grain -- one good decision... ♪ ♪ ...can lead to another. ♪ ♪ ♪ ♪ with real fruit, more of the whole grains your body needs, and a good source of fiber. nutri-grain can help you eat better all day. i've had asthma for 11 years... ...but my symptoms kept coming back... ...kept coming back. then i found out advair helps prevent symptoms from happening in the first place. advair is for asthma that's not well controlled on a long-term asthma medicine, such as an inhaled corticosteroid. advair will not replace a rescue inhaler for sudden symptoms. advair contains salmeterol which increases the risk of death from asthma problems and may increase the risk of hospitalization in children and adolescents. advair is not for people whose asthma is well controlled with a long-term asthma control medicine like an inhaled corticosteroid. once your asthma is well controlled your doctor will decide if you can

sharyn alfonsi, abc news new york. >> yeah, which is really great basic advice.t oprah has been telling people about for years. >> oh, yeah but you think about it too, dr. phil is one in a cast of people she helped put on the map, discover, further their career. dr. phil, suze orman, rosie o'donnell, rachael ray, nate berkas, she put a lot of folks out there and launched their careers and not to mention all the authors she made a lot of money for through the book club. extraordinary career. >> very good at spotting talent. things people were excellent at. in fact, dr. phil came on board to sort of help her through the trial in texas about the beef ranchers. >> that's right, yeah. >> that's how they met and he was counseling her and giving her advice how to get through the whole experience. boom, here he is. i believe she sold him his syndication which is why he is doing so incredibly well from his own show. a great gift from her as well. >> she had the midas touch. really incredible. now it will be impressive to see now that the show is behind her and a chance to

sharyn alfonsi. >> i may do that.y want to spend your money differently. get your will together. if you're not going to be around too long. i don't know. interesting to know. >> sell your stuff, go to hawaii. fiji. >> worse ways to go. >>> your tuesday forecast. another wet day along the east coast. messy day here. >> lots of rain. >> showers and thunderstorms from the carolinas to new england. rainy in cleveland. cincinnati and detroit. also rain from seattle down to san diego. up to a foot of snow in the sierra range. rockies and cascades. >> mostly 60s along the pacific coast. 83 degrees in phoenix. fargo warms up to 72. minneapolis 68. chicago 60. 67 here in new york. 75 baltimore. 85 in miami. >>> president obama says welcoming the uconn huskies to the white house was a bittersweet moment. having the ncaa champions there reminded him that his playoff bracket had opinion a big bust -- him and a lot of folks. the president has a lot of company because uconn finished the regular season in ninth place. >> thanks, uco

here is sharyn alfonsi. ♪ >> reporter: it's the dress that left the whole world in awe. >> lace top sating and it's a full skirt. >> reporter: and now every soon-to-be bride will be able to buy a dress just like it. minutes after we got our first glimpse -- >> grace kelly waist. grace kelly plea. >> reporter: a sketch inspired by the original takes form. >> yes lace. >> a little bit of lace goes over the skirt. >> that's it. >> reporter: michelle and henry roth are designers who sell exclusively for kleinfeld bridal salon. >> prince harry. >> reporter: but now kleinfeld and the roths are working on what will surely be one of their hottest gown ever. an inspired replica of that amazing kate middleton wedding gown. >> she walks out, we all went awe. you said -- >> grace kelly. that was the immediate reaction. >> and i said extraordinary, simplicity with striking impact. >> reporter: in the workspace the pattern starts to show a gun in t -- a gown in the make. it's 10:10 a.m. >> four hour, ten minutes. >> reporter: and already got -- >> already got the basics of it down. >> reporter: the rot

sharyn alfonsi with a preview. >> reporter: she'll get final word, facing the man who kidnapped her fromlong months. we all remember her story, just 14 years old when she was kidnapped from the bedroom she shared with her little sister. today, elizabeth is 23, poised and holds her head high as she relives the horror she survived. elizabeth smart says that she hopes to deliver a message of hope to other victims of today's sentencing. >> i'm not exactly sure what i'm going to say yet. and so i guess we'll just see when the time comes. >> reporter: her attorneys and family have no doubt she's up to the task. her detailed testimony against the kidnapper helped convict him. she told the jury that after he kidnapped her from her bedroom he held her captive, drugged her, threatened to killed her and repeatedly sexually assaulted her. she told oprah about he ordeal. >> there was a knife at my back. he threatened with either killing me or my family or someone i love. >> reporter: smart's kidnapping captivated the country. nine months after she was taken, she was rescued, spotted on the side of th

sharyn alfonsi. the frenzy behind replicating that dress. >> exactly. it's really something.ch she wore in her engagement portrait. >> oh, that dress. >> after she wore it, it sold out. it normally sells for $300. people are selling these on ebay for $1,600. designers say women want kate's look. we were with the top bridal designers as they rush to get the replica out. it's the dress that left the whole world in aw. >> nice top satin skirt. interesting. it's a full skirt. >> reporter: soon, every bride will be able to buy a dress just like it. minuteses after we got our first glimpse. >> grace kelly waist. sleeves are differently. >> a sketch, inspired by the original takes form. >> a little bit of lace goes over it. >> that looks good. >> that's it. >> michelle and henry roth are designers that sell exclusively for kleinfeld bridal salon. prince harry? now, the kleinfelds and the rosses are making the replica of the kate middleton wedding gown. we all said ah. you said -- >> grace kelly. that was the immediate reaction. >> i said extraordinary, simplicity, with striking impa