Republican Deb Fischer, a member of the Nebraska Legislature, has a healthy lead in polls for the Senate seat of retiring Ben Nelson over Democrat Bob Kerrey, the former senator trying to make a comeback after a decade in New York. (Associated Press)

Republican Deb Fischer, a member of the Nebraska Legislature, has a healthy lead in polls for the Senate seat of retiring Ben Nelson over Democrat Bob Kerrey, the former senator trying to make a comeback after a decade in New York. (Associated Press)