LEXINGTON, Ky. (AP) — A teenager is suing her school district for barring her from the prom last spring because she was wearing a dress styled as a large Confederate battle flag. The lawsuit filed Monday in U.S. District Court claims the Greenup County district and administrators violated Jacqueline Duty's First Amendment right to free speech and her right to celebrate her heritage at predominantly white Russell High School's prom May 1. She also is suing for defamation, false imprisonment and assault. "Her only dance for her senior prom was on the sidewalk to a song playing on the radio,"...