A police officer who maintains he was forced to resign for taking part in an inquiry into a superior’s alleged wrongdoing has stated a claim for a violation of his right to free speech, a federal judge held.In a written opinion this week, U.S. District Judge John Robert Blakey did not rule on the merits of Anthony Miller’s First Amendment claim against Ryan Block and Adam Davenport.Block is the village president and Davenport is the chief of police of Kirkland, a town in DeKalb County about 70 miles northwest …