I'd say there's also a nonnegligible group of people who support gay marriage (as in they want it to be available on an abstract level, or would prefer to live in a society that allowed it- perhaps because they are gay themselves) but feel they are obligated not to vote for it because the act of voting for it would be sinful.
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Congratulations to SuperNiceDog, Guru Winner, who was smart enough to pick
your 7 time champion, Link.