A Contra Costa County school was educating seventh-graders about Islam, not indoctrinating them, in role-playing sessions in which students used Muslim names and recited language from prayers, a federal appeals court ruled Thursday. The Ninth U.S. Circuit Court of Appeals rejected a lawsuit by two Christian students and their parents, who accused the Byron Union School District of unconstitutionally endorsing a religious practice. "The Islam program activities were not overt religious exercises that raise Establishment Clause concerns,'' the three-judge panel said, referring to the First Amendment ban on government sanctioning a religion. During the history course at Excelsior School in...