for behind the scenes photos or if you want to get involved in making a difference around the world, you can go to cnn.com/impact or cnn.com/amfix. all of the interviews, by the way, from "big stars, big giving" this year will live on impact your world, our partners in the project this year. the interesting thing, i asked ed norton, why do you do it? you've got a busy job already. and he said, you know, beyond feeling a responsibility to give back because i have a voice, it is fun for me. he said some of the most interesting people i've met in the world, some of the most incredible adventures i've had over the years have been through these charitable projects. and so he really does believe in it, but also thinks it's a lot of fun. >> good for him. who's up tomorrow? >> tomorrow is julianne moore, and we sat down in new york a couple of weeks ago. it's interesting, it was something about her childhood and the way she was raised, she was an army brat, she moved