Original sentence: His seat is up in 2006, and many names have been floating around as to who will be challenging him on the Democratic side.In 1994, he faced no serious opposition, and in 2000, he ran without opposition.Some speculation has come up as to whether or not he will be able to maintain his seat in the Senate
Edited sentence: In 1994, he defeated Democratic opponent Rep.Kyl faces no credible opposition for re-election in 2006 at this time.Sam Coppersmith by a large margin, and in 2000, he ran without opposition