Nov 02, 2001 — When voters go to the polls on Tuesday, many will see a re-run of contests decided in fall primaries--or in party caucases. More and more candidates who lose primary bids are choosing to run again in the general election. Some change parties. Others leave their old parties to run as independents. As Brian Mann reports, some observers think shifting candidates offer voters more choices. Critics say the practice blurs the line between political parties.