I guess that whatever Lincoln did, then, is fair for Bush to do. Why doesn't he invade a "blue" state or two and burn them down for supporting treasonable people like, oh, Hillary Clinton?
"All the laws but one," and all that.
</sarc>
If you watch Fox News (drudgingly I do from time to time) and listen to some of the more ardent party supporters, I gather that's about the jist of it.