by this tragedy. [ applause ] i feel so good all of the time about seeing these lives change. now we re going to be able to change a lot more. again, you can see the entire extreme makeover home edition episode featuring cnn here low dan wallruth on sunday. if you know another amazing person like dan making a difference in your community, let us know at cnnheroes.com. it s your chance to choose the news. we will tell you about three stories, and you vote for the one you want to see if detail in our next hour. here are your choices. it was the tragedy that changed the face of nascar. ten years ago after it the death of dale earnhardt, a look at how it affected the racing world. also, congresswoman gabrielle giffords battling back from a