AIKEN - Nick Hurshman looked forward to his 14th birthday party and a chance to see friends, most of whom he had known since kindergarten. So Nick invited about a dozen of his buddies from St. Mary Help of Christians Catholic School. Only three showed up. The others said their parents wouldn't let them come. After the October party, Nick went home and cried. That's the price Nick and his parents, Dennis and Regina Hurshman, say they have been paying since September when they sued St. Mary's and the Diocese of Charleston. Their lawsuit alleges a white teacher singled out...