welcome to "news4 this week." >> hello. today we're going to show you some of the most interesting local stories making news this week. among them, the cavity killer. a new way to help prevent tooth decay without even picking up your toothbrush. lemonade out of lemons? the special way some local children are helping their father, who has cancer. they are envied by many. how you can get armed like first lady michelle obama. and summer is gone but it isn't forgotten. we'll he the various ways washingtonians spent their summer season. first today a really rough start

to one couple's happily ever after story. what began as a romantic hike for two sweet hearts in great falls, maryland, ended with a rescue caught on tape. michael flynn has their story. >> reporter: a dramatic view of the daring helicopter rescue. the victim is a woman who just fell down some rocks along the jag cliffs on the billy goat trail. it was an unforgettable end to a big day in this woman's life. just moments before she fell, her boyfriend popped the question. >> she was hiking on a trail with her son and fiance. at that time, he was not her fiance. he actually proposed on the trail. >> reporter: the almost five-mile trail wines along the potomac river in maryland near the old angler's inn. the woman's rescue was a major effort. rescue teams arrived in boats, then had to scale more than 100 feet up a rocky cliff to get to the victim. because of fears of possible back or neck injuries, rescuers decided she should be air lifted

out. >> she said she was terrified on the way out. but she was able to give me some smiles and she was really relieved that she was okay. >> reporter: rescue workers said she told them she had been walking along the rocky cliffs with her new fiancee and son when she slipped, falling about five feet. she landed on her chest and was having trouble breathing. they say her injuries are not life threatening and she is doing well, and her husband to be has already impressed the rescue teams. >> it was an opportune time for her fiancee to show how much he cared. even though we provided medical care and we treated her, he comforted her by giving her a kiss before she went in the helicopter. i though that was a good one for him. >> reporter: in potomac, maryland, michael flynn, news4. >> it is a reminder of how dangerous great falls should be and that folks should always be careful when they're out there on the rocks. in the stig, it has been a bumpy ride for many passengers

and now the transit agency is going to look into whether passenger should have to pay a little more to smoothhings out in the future. derek ward has more on the possible plans to raise fares again. r:>> rteor mette is preparing to framework for the fiscal 2011 budget. it is not that far down the line and neither is the possible fare increase. >> i wouldn't like that very much. >> reporter: some of the reasons include rise in labor and maintenance costs. rising costs associate with has not capped transit and declik revenue. a factor into an expect shortfall of nearly $100 million. there are also costs associated with safety equipment changes and upgrades in the wake of the recent metro crash and some near misses. the last time metro increased fares was back in 2008. parking and rail fees were hiked. now the system does project a 1% increase in ridership over the coming year. still not enough to offset rising costs. it may be time to go back to the well. >> they probably need that money

to be able to operate. i understand. nobody likes to see fares go up. >> i don't really know if it will improve or make their image worse. i'll keep on riding. >> reporter: news4. >> any fare hikes won't likely come in the next year. the general manager will present a budget to the board in december. in arlington this week, it was a big moment for one high school, with the president's message for students across the country. president obama spoke at wakefield high, taking his stay in school message directly mo kids. the president told children that quitting school would be the same as letting their country down. not all students in our area saw the president's speech. after some parents and conservative groups protested, but these students at lee high school in fairfax county did see it. >> every single one of you has something to offer. and you have a responsibility to yourself to discover what that is.

that's the opportunity an education can provide. >> every day you go home after school and your parents are on your case, trying to push you to do your best. but it is not very often that the president of the united states comes on television and speaking directly to the students. i think that was something great. >> the president did not touch on any hot button issues like health care reform and he kept the message short. the speech was only about 20 minutes long. several kids in alexandria are shining examples of what it means to work hard. they recently spent the last days of their summer vacation selling lemonade. it was to raise money for a charity that helped their father who is battling brain cancer. megan mcgrath has their story. >> reporter: they were enthusiastic and persistent, and no, you weren't seeing things. these kids were selling legal made the by the side of the road. they will been therell night. all in the name of a very special cause. >> all for charity. >> reporter: their dad, bruce hamilton has been battling a

brain tumor. his children, 10-year-old jake and 12-year-old abbey are donating their lemonade profits to an organization they say has given a lot to their father. >> we hope it will help him. and they did help him. so we wanted to donate to them. >> reporter: their goal, to raise $100. the kids along with their friend taylor manned the stand all through the night. >> pretty much, we camped out. there is a tent. we had a fair going for like eight hours, we had a fire going. we had tons of people came by. >> i think the nighttime was better than the day a little bit. because we got a lot of tips. >> the idea for a lemonade stand actually came from their father. three years ago when he was diagnosed with cancer. he wanted to give the kids a project to distract them from the difficulties of his illness. dad is proud.

>> i'm really impressed with how they are learning that even though they're younger than the average citizen or what not, they really are kind of pulling people together. >> reporter: megan mcgrath, news4. >> those kids on the corner of ramsey and braddock road raised more than $500 for their cause. still to come on news4, why one of the city's most famed and treasured landmarks is in for badly needed renovation. and we'll discover a location offering fresh

if you are wondering where the jobs are, they're right here in the district. the federal government will hire more than 270,000 new workers over the next three years. that according to a survey by the nonprofit group partnership for public service. they say the top fields are medical and public health, with the biggest demand for nurses and doctors. the government has job openings in every sector, both here in the u.s. and abroad. nearly a third of the government's current employees expected to retire over the next fve years.yosecan tcharheer u yoedcan search the federal openings online at usajobs.gov. while the city may or may not be known for its wealth of jobs, it is definitely known for its monuments. the lincoln memorial is one of

the most popular tourist sights in the country with the sweeping views of the nation's capital. if you look really closely, the reflecting pool and walkways are basically falling apart. now there is a new plan to repair the area. tomherwd tells us about that. >> reporter: the lincoln memorial has one of the best views in washington, of washington. tourists by the millions flock here for lifetime photos and memories to take home. >> gorgeous! >> i hear it is even nicer at night. >> reporter: the lincoln memorial is one of the most majestic monuments in monumental washington. don't loo too carefully at the ground beneat your feet. there is mud and crumbling concrete and grass growing out of the cracks. overall, not very pretty. we haven't even mentioned the reflecting pool. it looks more like a polluted lake than a national treasure that it is intended to be. >> did you notice? >> yeah.

we were talking about how nasty the water was. >> with this being the nation's capital, it should be pristine. >> reporter: the national capital planning commission is reviewing national park service plans to spend millions of dollars to restore the reflecting pool area and make it more pedestrian friendly, with wider, nicer walkways, and yes, a cleaner reflecting pool. >> i think this is a great opportunity to improve one of the most iconic structures in washington. >> reporter: the major makeover likely will close off the area to tourists and take many months to complete. but some criticize the plans as too little without considering what the mall area could be. >> what we're doing now is going to spend millions of dollars to preserve the status quo. clean it up but to preserve the status quo, rather than thinking about how the reflecting pool can both be restored to e way it used to be, which included ice skating and playing with toys. >> reporter: tom sherwood, news4, washington. coming up, more on a

in news4 your alth now, there is a new way to prevent cavities without ever picking up your tooth brush. here's the story. >> reporter: afraid of drilling? afraid of fillings? joe carmen had 32 reasons to avoid the dentist's chair. >> pit if dental health starts to slide, you're certainly in for a lot of pain and discomfort as you try to correct it. >> i'm going to use a swab to test the plaque in your moutz. >> reporter: in his 56 years, he only had four cavities. he hope brushing and flossing every day can keep it that way but his dentist says that may not be enough. >> there are 400 different type of bacteria that can be in your mouth. some of those cause gum disease. some of them are positive effects with digestion.

the others are negative that cause decay. >> reporter: the fairfax dentist dr. gary weiss said some people naturall have higher levels of decay causing bacteria making them more prone to cavities. brushing and flossing may not be enough. the best way to avoid those fits of pain, prevention. >> this is giving as you chance to treat the disease process so we're being a preventive entity rather than strict lay patch and fix sort of thing. >> reporter: white started off patients with the carry-free system. a personal approach to preventing cavities. he swabs inside the patient's mouth to test how much bacteria is present. if there is too much, he'll prescribe a special mouth wash specific to that patient. it keep bacteria from growing in the mouth. >> it really needs to be impressed on the patient that this has to be something they work with for the rest of their lives. i would make it akin to a diabetic being treated with

insulin. >> reporter: weiss says patients need to rinse with the mouth wash twice a day for one minute. they shouldn't eat or drink for 30 minutes afterwards. >> we'll do the testing here. >> reporter: after a few week, the bacteria level are tested again and should be lower. >> they see they're winning the battle. they know then they have a quantitative, a number to look. a. >> reporter: jim carmen has been using it for a few weeks. he is hoping it will keep him out of the dentist's chair and away from the drill. >> i'm beginning the second half of my life. i hope it is early in the second half but i would like my teeth to last as long as i do. >> reporter: news4. a contest that the health and human services department in the district h introduced to us a rapping doctor. he is sending a message like no other, helping to prevent the spread of swine flu. ♪ i bring prevention, dr. clark here i come to make your head numb ♪ >> reporter: his performance goes beyond the doctor's office.

he recently perform at a train station to try to reach out to the public. he writes his own music about a variety of health-related issues in an effort to keep people healthy. he is one of the top ten finalists in the contest. if he wins, he gets $2,500, and his video will play as a public service announcement. respecting your body is key to staying healthy, and respecting the earth can also help. and that's why it pays to buy local produce wherever possible. and there is onetl leit market in kensington, maryland, that oufrz everything you need. in going green, wendy shows us how the shop is taking food back to its roots. >> reporter: in a small shopping center off the beaten path in kensington, you'll find the suburban trading company. it is kind of a green hybrid, part market, part cafe, part bakery, all created with our local farmers in mind. >> people don't understand what

we are, which is interesting. and i'm not sure how to explain it. >> reporter: allison opened the place a year ago with her son andre. she is a baker. he is a chef. they know the benefits of buying local. >> it takes guts, you know. >> reporter: come hungry. they offer salad, soups, sandwiches. you can take out or enjoy it in the small cafe area and don't leave without dessert. allison uses local butter, milk and eggs to make her pastries, her skoenz, and her pies are so well known, she sells almost 200 of them on weekends at the kensington farmer's market. suburban trading is also a green grocer, a case of fresh local produce lines one wall. the refrigerator is filled with bottles of organic milk from trickling spring creamery in pennsylvania, and a blue box at the door awaits the empties. it is around noon on a tuesday, and jean broderick, a familiarer from howard county, has wrifd a

cooler full of fruits, vegetabl and eggs. as she weighs and parcels out the black berrs, she extols the virtues of the eggs. >> never have they been caged. no antibiotics, no hormones. >> she even has pictures of the cows that provide their organic grass fed beef. >> the animals are raised as they should be on a farm in a pasture, humanely treated. >> reporter: despite the recession, she says business has been good for this first year. and customers seem to be embracing this new food movement. >> this is how weley. we are very committed to this. >> reporter: they ar also committed to local artists. pictures are proud and the mural makes you feel like you're traveling down a country road. like farmland, suburban trading gives you open space, room to breathe. the owners want it to feel

comfortable and homey. a place to sit a spell with a pastry and an iced tea and wait for the day's harvest. news4. first lady michelle obama ants to create a farmer's n ihwetmartnoest washington. the firsn from therter pioss fr hty tolo c c vermont avenue bdurayay between 1:00 and 8:00 m.p. mrs. obama says the farmer's market would be a win-win for residents in the state official critics say closing vermont avenue during rush hour would create more traffic headaches. mrs. obama said residents would have access to healthy food and local farmers would have a place to sell their food. meanwhile, the first lady's personal trainer is spilling the secret about how she gets those perfectly sculpted arms. first, mrs. obama gets her muscles warmed up with an intense cardio session such as aaerobics, running or indoor cycling. then she grabs a bar connected

to a pulley. next she picks up light weights in each arm to tone the front arm muscles. the biceps. she said small change to her diet has helped her keep her weight down, including cutting down on sugary drinks and processed foods. up

how quickly it ce and goes. though the season is unofficially over, it is not forgotten. pat collins has some thoughts on the summer that has passed. >> reporter: it seem like just yesterday, we celebrated memorial day. now, ball game. summer's in our rear view mirror. at least we have some memories. >> something i've done this surgerier. cliff jumping. >> it was really 21. >> you jumped off? >> 25 feet.

no parachute, into the river. >> i went to china. >> you went to china? >> yes. >> what did you like most? >> the great wall. >> is it great? >> it's huge. enormous. gargantuan. >> what is the most exciting thing you've done this summer? >> i wt to ocean city. i got the t-shirt and i got taffy. >> good summer for you, huh? >> very big. ♪ on the road again >> tomorrow, no more easy rider. reality check. regular rush. the aaa's trifecta of traffic trouble for tuesday morning. tomorrow morning. third worst place to be? eastbound on i-66. second worst place? the outer loop of the beltway between new hampshire road. number one worst place to be?

crossing the 11th street bridge, trying to get on to the southeast southwest express way. even if you make it to work on time tomorrow morning, you're not out of the woods. >> there is an interesting phenomenon now. the evening rush hour is even worse than the morning rush hour. ♪ i've been taking care of business every day ♪ >> it would be inappropriate on this labor day not to recognize the people who are working. >> i find it very ironic that we're working on labor day. >> is it hard to work when everybody else is off? >> no. i'm going to the beach in a week and i need the money. >> so long, summer. we'll not soon forget your warm rays, your beach days, and we know soon there will be frost and darkness. but the promise of another summer will help us survive those long winter nights.

i'm pat collins, news4, washington. >> so long summer. that's all for "news4 this week." thanks for joining us. have a great weekend.