captioned by the national captioning institute --www.ncicap.org-- >> drivers who passed through

speed cameras zones on a regular basis know when to slow down, but now montgomery county has another way to catch you speeding. >> brad bell has what some call a double crack down. >> fixed location speed cameras have been in the county long enough that most people know where they are and how to defeat them. >> they slam the brakes and zoom off. >> is easy to prove the phenomenon at virtually any speed camera trap. >> i put the radar gun 38 miles per hour, slowing down to 30. >> and as cars leave they accelerate. that minivan is 43. with fines paid and the decrease the chief of police announced a new strategy to defeat that practice, using more mobile speed cameras. >> when we have a fixed pool camera where everybody slows

down, we will put the mobile camera a quarter mile down the road. when they decide to speed back up they may in fact get caught. >> it is not an entirely popular idea. the chief claims the program is about safety, not revenue but most wonder about that. >> i wish the ticket was not so high. >> since they know the new mobile cameras will be lurking a new strategy. >> have to be more careful. >> in response to criticism the police chief said they will try to expand those safety zones. the dulles rail project is in jeopardy based on a bill passed by the virginia general assembly banning the use of state money for projects -- they have already offered contracts a bonus for using labor -- union

labor. there are urging the airport authority to reconsider that decision. >> jon baker made an appeal this last week to maryland lawmakers to allow for a casino to be built in his county. he testified before the senate committee, backing a plan to build the facility with slots and table games at the national harbor. currently, a casino is prohibited from being built in prince george's county. there is a profanity band at d.c. council meetings. the council passed the measure without debate tuesday. kwame brown pushed for the resolution after a shouting match between councilmembers marion barry and another council member that contained indecent language. if a member breaks the rules brown has the authority to warn or remove the member from the meeting. >> 7 on your side with a warning for all women. that is a new groundbreaking study about our number-one killer heart attacks.

researchers found symptoms are different in women and are more likely to die than men. jennifer donelan reports on the life-saving details. >> this woman was just 43, and she felt a tingling in her arm. it went away in under two minutes. she still wanted the hospital. >> i don't have high cholesterol or high blood pressure. and the tinkling came back three more times. she was at home every time from the hospital. then it started again. >> this time i was having severe pain in my chest. i said i am not leaving. they started treating me like i was having mental problems. >> she was not losing her mind, it was a warning that something was wrong with her heart. a doctor finally agreed to take her to the catheter labs, or they put the camera and an artery in her groin to her heart. >> there was later urgency.

the doctor said, thank god you listen to your body and not to us, because this would have killed you. i had a 90% blockage. >> a study of heart attack patients said that women are less likely to have chest pains, 90% of the age of 45. women are less likely to get immediate treatment and more likely to die. women systems can't -- symptoms can be a typical including shortness of breath, weakness, fatigue, heavy sweating and knowledge. >> at a group of symptoms come on suddenly or are more severe than before. >> ultimately they will die if they did not follow what. >> other a typical signs women should look for, upper body pain like back pain and shoulder pain. the woman said she did not take no for an answer because her father had a quadruple bypass just four months before she felt a tingling in her arm. good thing she listened to her body. >> still to come, a ground

breaking on the national mall for a new smithsonian museum. plus, they are part of the fight on the war on terror, military dogs trained for the front lines. >> steve rudin and the belfort furniture weather center the wind finally settling down. the forecast coming out.

>> we know that the strains of combat way on servicemen and women but what about the military dogs? the demand on military dogs is greater than ever, and that can affect their mental health similar to humans. this for leggett warrior, back home after being on the front lines of the war on terror. >> you never know if he will remember it. >> he and his original handler were a team that few could match. >> they had a closer bond. them that they were deployed together in 2010. during a mission sergeant kramer stepped on an explosive device. >> ultimately, she gave her life. >> amazingly, the dog was not harmed physically, but was sent back to fort belvoir to be examined. >> things are different. >> it is hard on them just like

people. the military experts say at least 5% of dogs to go through traumatic combat experiences end up timid like this. >> he wants to do his job but it is not going to work. and the troubling behavior is consistent with k9 posttraumatic stress disorder. watch as this dog shies away with his tail tucked and ears back. the best this german shepherd barks out uncontrolled be. each of these highly trained dogs developed ptsd after long- term exposure. some dogs take months to recover. others never bounce back. for jopa, coming home without

charging kramer was not easy. >> for the first couple of weeks, he was not able to do that. but that it took time, but he eventually bond with his new handler. they could be deployed together, and wholey says he believes that the dog is prepared if duty calls again. >> we train we patrol. i trust him he trusts me, and helps me go home. >> dr. burkhardt says about half of the word dogs diagnosed with post-traumatic stress syndrome go back to military service or the others are adopted out. to see more pictures of military dogs, go to wjla.com. >> earlier this week, president obama, the first lady, and former first lady laura bush took part in the groundbreaking ceremony for the smithsonian museum for african american history. it will be built between the washington monument and the

national museum of american history. much of the exhibit space will be below ground and will feature oritems like michael jackson's hat and the tuskegee airmen trainer. they hoped to open the doors of the museum in 2015. >> straight ahead, it seems like a new phobia is announced every month. now there is one involving yo buying this juicer online was unbelievable. what a bargain!

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>> let's get another check of the weather. >> today it will be the coolest and windiest of the days. tomorrow, monday and tuesday will only get better. the skies had cleared nicely, the wind has settled down. snow showers earlier today only lasted about 15, 20 minutes, quickly dissipating. 47 at reagan national was the high, below average. normally the high as about 50 degrees. look at the record, would feel nice 84, 1930. the temperature at this hour, 37 degrees, feels like 28, the wind better than that was wind gusts of 45. out of the west, northwest at 15 now. george washington university 36 degrees. next stop, temple hills maryland 32. finally, across the area,

holding in the upper 20's, lower, middle 30's, dropping a few degrees. winchester 29, 30. culpeper looking at 36. the colder air called that colder air, off to the north and west the upper peninsula of michigan, northern wisconsin minnesota, achill there will not reach us. we will have this mild centre the next couple days. a series of storm systems that will eventually move through. the weak cold front will arrive late monday, bringing rain. better chance of rain late tuesday and wednesday. lake effect snow streaming across pennsylvania, ohio western maryland. some snow showers made it here earlier in the day. the future-cast skies clearing very nicely. lots of sunshine and the forecast morrow. as we move through the day but monday clouds increase during the midday hours. the evening, mostly cloudy skies as the weak frontal system moves

through. once this moves out, the skies clear again tuesday. followed by another storm system that will bring widespread showers, rain showers wednesday. the forecast overnight temperatures fall into the upper 20's. both 30's, mainly clear skies. tomorrow 48-53, the wind out of the south at 5-10. the extended outlook looks good. near 60 monday and tuesday. cloudy skies, showers wednesday warming back into the 50's thursday. holding in the 50's next weekend. meteorological spring arrives thursday. >> we have had an easy winter. >> 2 inches of snow at reagan national. >> compared with last year? >> it was a lot more. >> sorry to put you on the spot, steve. >> cell phones have become a

very important part of most people's lives so much so that many have anxiety attacks if they do not have them near. >> another phobia, and the numbers of people who suffer are staggering. that>> i was gone to take the blue line to the red line. >> she says she would be lost without her cell phone. >> i use it for my back, pay my bills, check e-mail. we have used the metro map several times. >> i feel with ross still, and it has been about four months. >> it affects 53% and to the senate, 66% of those surveyed in 2012. this woman worries that she always needs to be worried to call her daughter. babbitt is a stress factor. it is a stress knowing she can connect at any time.

>> some are glad to give up their cells. the mine is connected to my work email. i have enough of that during the day. >> 70% of women always want their cell phone. 61% of men. men are more likely to toastte at least 2. >> it saved my life. i pulled out the cell phone called 911, and through a satellite, they came in rescued me. >> rebecca cooper, abc 7 news. >> a couple more numbers, it will not surprise you to learn that people between the ages of 18 and 34 are the most likely to have this anxiety. the second-largest group to feel this way those 55 and older. >> still to come --

>> jennifer anniston makes

>> jennifer anniston has a new comedy this weekend. >> arch campbell reviews "wanderlust." >> jennifer anniston, just for the fun of it, and her new comedy "wanderlust."

jennifer anniston and paul rudd stumble into and out of the world. they find a commune that looks good act three few knocks. >> two weeks. >> things go from bad to worse. it rises above what you would expect, three stars r-rating just for the fun of it. "act of valor" uses actual navy personnel to tell a story. it is compelling, three stars. and tyler perry plays a rich guy who gains insight into how the other half struggles and "good deeds."

have a nice weekend. i'm arch campbell, abc 7 entertainment. >> they're covering the oscars. >> live reports tomorrow.