anon you need to determine where politics falls in your long term life plans. can you raise your children with someone that has leftist ideals (post-MOAB).
if you are core conservative and she is core left its going to be harder to get her to flip. Granted a lot of things on the horizon, if this is something that you care deeply about in addition to her–wait it out for the hammer to drop see how she reacts and you have your answer.