Riverside -- Two 16-year-old girls who were expelled from a private Lutheran high school because they were suspected of being lesbians have sued the school for invasion of privacy and discrimination. The lawsuit, filed last week in Riverside County Superior Court, seeks the girls' re-enrollment at the tiny California Lutheran High School, unspecified damages and an injunction barring the school from excluding gays and lesbians. The suit could be a test case in the state on whether religious schools can deny enrollment to gays and lesbians, said Richard Ackerman, a lawyer who is president of Temecula's Pro-Family Center, which focuses...