SAN FRANCISCO - Kids in California may have to give up their Oreos, if a lawsuit filed by a San Francisco public interest lawyer is successful. The lawsuit, filed last week in Marin County superior court, seeks a ban on the black and white cookies, arguing the trans fats that make the filling creamy and the cookie crisp are too dangerous for children to eat. Stephen Joseph said he filed the suit against Nabisco, the maker of Oreos, after reading articles that said the artificial fat is hidden in most packaged food, though consumers have no way of knowing. The...