Nation: FBI passes off Jimmy Hoffa case to Michigan authoritiesThe Associated PressDETROIT (March 29, 2002 9:30 p.m. EST) - The FBI announced Friday it will refer its findings in the nearly 27-year-old disappearance of former Teamsters President James R. Hoffa to local prosecutors for possible state charges. No federal charges will be filed for now, though they may if more information is uncovered, said Special Agent Dawn Clenney of the FBI's Detroit office. "The FBI will continue the investigation of the Hoffa case. We will run down every lead as we have in the past," Clenney said. "We think there...