Normally, I avoid Internet political quizzes, but Electoral Compass USA accurately pronounced me compatible with Mitt Romney1:
source: calculated via Electoral Compass
Not that my support helps Mitt. . .
The quiz also revealed the candidate with the least commonality: Senator Obama. No surprise there--eHarmony probably matches him with my ex wife.
1 The divergence on gun control reflects Romney's support for the now-expired "assault weapons ban", which was both thoroughly vague and over-broad with respect to semi-automatic weapons.