Every so often, someone decides that the world is too corrupt to reform. And they start a political party. Sometimes this makes sense. More often, though, it's just foolishness, and bad stewardship to boot. And for Christians today, that's exactly where things stand. Third party advocates will sputter and fume at this. They'll talk about conscience, as though there are no issues of conscience concerning the second-order consequences of their actions when they help a leftist win. They'll pontificate about how God could sovereignly raise up an army of believers for their new party, as if He cannot do the...