Al Franken's 2008 United States Senate election opponent had previously been a member of which political party before becoming a Republican?
Norm Coleman Norman Bertram Coleman Jr., (born August 17, 1949) is an American lobbyist, lawyer and politician. He served as a U.S. Senator from Minnesota from 2003 until 2009. Before that, he was mayor of Saint Paul, Minnesota from 1994 to 2002. Previously a member of the Democratic–Farmer–Labor Party (DFL), Coleman became a Republican in 1996. Coleman was elected to the Senate in 2002 and served one term, losing his 2008 reelection bid by 312 votes (out of over 3 million cast).
Warren Rudman Warren Bruce Rudman (May 18, 1930November 19, 2012) was an American attorney and Republican politician who served as United States Senator from New Hampshire between 1980 and 1993. He was known as a moderate centrist, to such an extent that President Clinton approached him in 1994 about replacing departing Treasury Secretary Lloyd Bentsen in Clinton's cabinet, an offer that Rudman declined.