. >> the auditorium at the center, they have a one of a kind performance by aerosmith joe perry.the national institute of health out there. >> i play the guitar since i was in high school, but i never had the chance to play with a genuine rock god. >> reporter: and rudy, professor of neurology at harvard university. all of this had is in an effort to raise awareness about the importance of scientific research and give science a cooler image so more young people will choose it as a career. >> you need to get rid of this for putting you out there or in that period. >> reporter: joe perry says he alwaysed wanted to be a marine biologist. the band gets better with years of rehearsing and the study of science is the same way. >> you can get that feeling, that's the real feeling of satisfaction, energy, and that adrenaline rush from being scientists as well as being a rock star. >> reporter: the rock stars of science campaign stresses the continued funding for biomedical research. so scientists, they can find treatments and cures for diseases like alzheimers, cancer, and hiv aids. ther

." >> reporter: the auditorium at the capitol visitors center had a one of a kind performance by joe perry. >> i played the guitar since i was in high school but never had a chance to play with a genuine rock god. >> reporter: and this professor of neurology at harvard university. all of this is an effort to raise awareness about the importance of scientific research and to give science a cooler image so more young people will choose it as a career. >> joe perry said he always wanted to be a marine biologist before he became a guitarist. he say the band gets better with years of rehearsing and the study of science is the same way. >> you can get a feeling of satisfaction and energy and that adrenaline rush from being a scientist as well as being a rock star. >> reporter: the rock stars of science campaign stresses continued funding for biomedical research so scientists can find treatments and cures for diseases like alzheimer's, cancer and hiv aids. >> rather than the end of the road this is actually the beginning. >> reporter: peggy fox, 9 news now and wusa9.com. >>> to see a complete int

today at the capitol visitors cemter, they will shear the stage with joe perry of aerosmith for an affairience. i love that. >> i do too. isn't that great? >> they are rock stars in their own right and their own world. they make a huge difference if all of our lives. >> absolutely. >> interesting take on how to dothat. >> good of joe perry to take part in that. >> awesome. >> it will be sticky out there for them. >> it will be sticky outside. since last hour, our humidity level has risen. so be prepared if you are heading outside. and here is a look at our weather headlines. we've got a little bit of an unsettled pattern so there is a chance of showers a little bit later today. you might want to grab the umbrella before you leave the house. just fair warning on that. we have a cold front going to move through and that is what we're watching very closely. the days ahead, we'll seat temperatures tax awe dip. we've been above seasonal. nowhere where we should be considering we've already officially entered fall. an unset ltd weekend is what we're watching as well -- an unsettled weekend is w

cal perry covering the visit of joe biden there. appreciate it, cal. thanks. >>> the battle over health care reforms. could a compromise be brewing? a bipartisanship group of senators, the so-called gang of six, is expected to unveil a negotiated measure tomorrow. democrat max baucus, chairman of the finance committee, says there will be, quote, significant bipartisan support. negotiators have shaved down the cost of the bill to $880 billion over ten years. baucus says the full finance committee is set to begin debate on the proposal next week. the finance committee is, of course, a critical hurdle. if the bill is approved there, it can then be taken up by the full house and senate. >>> the issue of health care reform has stirred a lot of passion and fueled quite a few tea party protests. >> we're on our way to washington -- >> but has a small minority of these protesters turned to race baiting? we'll take a closer look and you can judge for yourself. the health care debate also has stirred up deep passion on capitol hill, as you would imagine. and as

we're going to talk to our cal perry in just a couple of minutes. as you know, the vice president, joeical leaders. he is also meeting with u.s. military, with troops. this was an unannounced visit. his third trip to the country. and we're just getting information now that four mortars have landed in the protected green zone in baghdad very near the u.s. embassy. we will continue to follow developments in the story. we will talk to our cal perry in just a couple of moments. >>> another one of our top stories -- we do have cal right now. and is cal on the phone, or is he with us from the -- okay. let's get to cal perry. live with us from our bureau in baghdad. cal, what do you know about this? >> reporter: well, it was just literally about ten minutes ago we heard four separate explosions. the interior ministry is confirming indirect fire. indirect fire can either mortars, it can mean rockets. they are saying that they landed in the international zone. unclear where in the international zone at this point. we have some sources telling us near to a hotel in the green zone. it's not clear

was fired into the green zone or near it on the very day vice president joe biden was making a surprise visit to baghdad. our cal perryhe heard four loud booms. no word on casualties or damage. it's not clear where biden was when this happened. government offices, u.s. and british embassies and parliament are inside that heavily protected green zone. >>> the transit authority is sorting out why a commuter train ran into a barricade at very slow speeds. none of the injuries are life threatening. a transit spokesman said the train was moving slowly and overshot the platform and collided with a rubber bumper. the engineer admits he misjudged the distance and will submit to routine drug and alcohol testing. >>> police don't expect to make an arrest in the killing of annie le who was found dead on sunday after missing for five days. the medical examiner could release how she died and say that le's killing was not a random act and no students are believed to be involved. students held a candlelight vigil in her honor last night. >> she was as good of a human being as you ever hoped to meet. that this horrible tragedy happen