I think there is a sad lack of thought being put into what even constitutes a mission.
I’m not calling one party sinless any more than God declared Judah sinless because Israel was worse.
Still there is a problem with the underlying model. Caesar isn’t anybody’s godfather. The church got a little but gave away a lot by means of embracing Caesar. The inevitable intrigue busted it up (first the Catholic/Orthodox split, and then the Protestant departure from the Catholic church). I would venture that the proliferation of denominations was necessary, however, to teach churches that they can’t unite around any model that vies for state support.
I am less concerned about how godly a president is and more concerned with how godly churches are. Until Christ comes and sorts out this mess personally — I’d rather have government be unbelievers that confess they are unbelievers and don’t try to carry on government like believers — than government by believers who try to carry things that are specifically Christian into the government sphere.
Good and valid points.