SAN FRANCISCO (Reuters) - A roommate-finding site cannot require users to disclose their sexual orientation, a U.S. appeals court ruled on Thursday, in the latest skirmish over whether anti-discrimination rules apply to the Web. The U.S. 9th Circuit Court of Appeals said Roommates.com, which obliges users to list their sexual orientation, was different than Internet sites where people can volunteer or withhold personal information. To inquire electronically about sexual orientation would not be different from asking people in person or by telephone if they were black or Jewish before conducting business, the panel said in an 8-3 ruling that partly...