the object of male fantasies during the height of her "charlie angel's" fame and her son are with ryan o'neal wound up in rehab a dozen of times. >> this was a band room. but that's a loose, maybe too loose, way of living. >> did you ever feel you failed as a parent? >> sure, of course. i'm a failed parent. >> we don't yet know why sage sta lo died but we'll find out. >> our thanks there. and just ahead, he's mormon, gay and he says he's been happily married to his wife for ten years. how's that? he tells us, next. down here, folks measure commitment by what's getting done. the twenty billion dollars bp committed has helped fund economic and environmental recovery. long-term, bp's made a five hundred million dollar commitment to support scientists studying the environment. and the gulf is open for business - the beaches are beautiful, the seafood is delicious. and just ahead, he's mormon, the progress continues... and just ahead, he's mormon, to seeing this through. 'red >>> "nightline" continues from new york city with cynthia mcfadden. >>> well, it sounds like a set of contradictions. how c