longtime confidant Roger Stone just days before he was to report to prison. It is part of a broader effort to undo the results of an investigation that for years has shadowed his administration and yielded criminal charges against a half dozen associates.[TRENDING: Puppy pried from gator’s mouth doing OK | Florida Rep says Trump should pardon himself | 15-year-old girl dies after overdosing]The action voids the criminal case against Flynn just as a federal judge was weighing, skeptically, whether to grant a Justice Department request to dismiss the prosecution despite Flynn’s own guilty plea to lying to the FBI about his Russia contacts.The move, coming as Trump winds down his single term, is likely to energize supporters who have taken up.