What would disqualify a person from being eligible for public office? There are some thins the general public would agree on. Participation in corporate fraud - yes. Admission of belief that black people should not hold office - yes. So, can you justify the "rightness" of being a "one-issue" voter?
When we bought our dog at the Humane Society, I picked up a brochure on the laws of Minnesota concerning animals. Statute 343.2, subdivision 1 says, "No person shall . . . unjustifiably injure, maim, mutilate or kill any animal." Subdivision 7 says, "No person shall willfully instigate or in any way further any act of cruelty to any animal." The penalty: "A person who fails to comply with any provision of this section is guilty of a misdemeanor."This must-read article on "one-issue" voting can be found here.