Marvin Olasky participates here in some inter-Christian ideological discussions on political "single mindedness." A difficult issue, but one worth considering. His article is here

The judicial theories of the more liberal leaning ideologues are frightening. It may well be that the single issue for voters ought to be a support for the Constitution, as properly understood. I really think a vote for Kerry was a vote against the Constitution, because his intellectual presuppositions destabilize the document as a basis for a country's law. And that pretty much sinks America's heart.