i'm steve weissman, back to you in new york. >>> in australia, thousands of people have been captured on camera baring it all for the sake of art. >> and we mean it all. about 52 baring souls of all shapes and sizes and ages stripped down to nothing on the steps of the sidney opera house. they spent about an hour getting into position. >> it was fantastic. there were so many people here, when they said, you can take your clothes off, everybody stoot up and said, airport. >> it was organized by american artist spencer tunic who is known for nude pictures in public places. we couldn't zoom in on anything too tight there. >> that's right. >>> up next, the stories we're following, including the secretary of state, how the u.s. is helping chile. >>> and jay's big return, while conan finds a new way to entertain his fans. robin. i am a wife. i am a mom... i do remember sitting down with my boys, and i'm like, "oh, promise mommy you'll never ever pick up a cigarette." and brian looked at me at eight years old and said, "promise me you'll quit." i had to quit. ♪ my doctor gave me a prescripti