Former Green party presidential candidate Ralph Nader appeared in St. Paul Tuesday, pledging to continue his challenge to the two-party system and big money in politics. He said the situation in Florida could lead to promising election reforms around the country. But he said the system, from campaign finance to media coverage, will likely remain hostile to third parties. However, a standing-room crowd of supporters attended his talk at St. Thomas University, and said his presidential run laid the groundwork for change. Minnesota PUblic Radio's Amy Radil reports.