Update: A case number was incorrectly cited in the ninth paragraph. A correction has been made. Also, a comment from Gary S. McCaleb was added to the 18th and 19th paragraphs.A federal judge has struck a blow against parents who object to their children sharing school restrooms and locker rooms with their transgender classmates.In a written opinion last week, U.S. District Judge Jorge L. Alonso declined to issue a preliminary injunction that would block transgender students at the Palatine-based Township High School …