The small southern California city of Temecula made headlines across the US when its school board banned critical race theory and attempted to purge elementary school textbooks that reference gay rights icon Harvey Milk. The vicious fight over curricula in Temecula is one of several playing out in cities across the country, as conservatives seek to reshape how racism, gender and history are taught in American schools. Now, it may also have implications for schools across California. On Wednesday, a group of parents, students, teachers and a union sued the Temecula valley school district, alleging the critical race theory ban...