back here in the mid-atlantic states, clerp and dry and gorgeous weather.s we look at numbers, in the 90s and mid-80s. specifically am columbia we're at 86. as you look at the hour by hour forecast down through the 70s and the 60s by early tomorrow morning. enjoy that cooloff because the hotter weather is on the way. we got those details straight ahead. >>> a shooting on a city street is caught on surveillance camera. what happened to the victim. and a car goes through a crowd of people. we're going to let you be the people on whether or not the driver was too old. >>> a shooting in philadelphia is caught on camera. you can see the victim walking down the street when an suv pulse up and shoots. the passenger gets out and starts firing more rounds. fortunately, the victim was only grazed in the shoulder. the police do not have suspects. >>> a 100-year-old driver is behind the wheel when the car lungedveral people were hurt. several people were taken to the hospital but everyone is expected to survive. >>> did los angeles police use excessive force in this si

and number three is that we increase the clerps of the preon form that we get rid of it. and we get to a point when the level of the preon form is low enough. we don't have to get it to zero but we need to get if down fairly far in some people, and then at that point, the normal clearance mechanisms take over in the brain. we can think about this in a very different way than we did initially one is i think the therapies can work for a few weeks or a few months. they can be short term. they don't need to be years, and if we have to go back and re-treat somebody, that's fine. so you spoke about-- anne spoke about the diagnosis of huntington's disease and having a genetic test for this. i think in all these disease we're going to need very good imaging techniques, and we saw this with stanley's demonstration of what goes on in the parkinson's disease in the flora dopa scan. we need to be able to follow these proteins. we have to look at the precursor form. we have to look at the preons when they're small aggregates and then look at the large aggregates, the fibers. so this i