In 2000, Nelson won the election for U.S. Senator from Florida, defeating then-Representative Bill McCollum, the Republican candidate. The election was to replace retiring Republican Senator Connie Mack. In 2006 he was reelected to the Senate with 60% of the vote. | In 2000, Nelson won the election for U.S. Senator from Florida, defeating then-Representative Bill McCollum, the Republican candidate. The election was to replace retiring Republican Senator Connie Mack. In 2006 he was reelected to the Senate with 60% of the vote. |