Coleman campaigned in 2002 for the United States Senate, after being persuaded by Karl Rove to channel his electoral efforts from a second race for governor to a race for the senate seat against incumbent Senator Paul Wellstone. He was elected to the U.S. Senate in 2002, narrowly defeating former Vice President and former U.S. Senator Walter Mondale (D-MN), who entered the race as the Democratic candidate after Senator Wellstone died in a plane crash on October 25, 2002. Polls had shown Coleman to be in statistical dead heat with Senator Wellstone.<6>
http://en.wikipedia.org/wiki/Norm_Coleman#2002_Senate_electionColeman began his illustrious career as a Democrat, elected mayor of St. Paul MN in 1993. After becoming a Republican, he was somehow re-elected mayor in 1997. Jesse (the body) Ventura beat him for Governor in 1998.
http://en.wikipedia.org/wiki/Norm_ColemanLiving in a neighboring state, I have regarded him as equivalent to a slime-mold for years. His personal charisma became legendary after wide internet distribution of intimate photographs of his cosmetic dental improvements, so we saw much more than anybody should have to see of Norm Coleman's toothery, Before and After.