ELECTION 2002Libertarian loses ballot ruling, will try again in U.S. court Monday By BRYAN LONGAtlanta Journal-Constitution Staff Writer The Libertarians have one last chance to put Wayne Parker's name on the 11th Congressional District ballot. On Friday, Parker lost his case in Fulton Superior Court, but he will try again Monday morning in U.S. District Court in Atlanta. Parker turned in roughly 18,000 signatures --- almost twice the number needed for third-party candidates to get on the ballot. In mid-September the Secretary of State's office said more than 8,400 signatures were not valid and Parker would not be a candidate....