Seth Masket does a Q&A on the entry of vampires into the horserace. A snippet:
[Q:] How do you think immortality would influence a vampire’s political platform or view on issues?
[A:] This would have to have a huge effect, since immortality makes irrelevant so many of the major policy issues we deal with, from health care to Social Security to war. Even if a vampire were sympathetic to mortals' concerns over these issues, it would be hard for him to convince many people that he shares their interests.