Neo-Neocon has some thoughts on mixed marriages. "It's not the type of mix you might think", she writes. "This is a case of a woman who's a diehard Obama supporter married to a McCain guy. This sort of split isn't unusual for them; they nearly always disagree on politics." Read the whole thing, including this addendum:

I'll add that I think the death knell for a politically mixed marriage is when one partner or the other--or perhaps both--begins to consider that those on the other side are not just mistaken but are in fact evil.