The adjective “Orwellian” can be overused in our political discourse. But how else to describe a situation in which the federal government abdicates its responsibility to secure the nation’s wide-open border and then, when a state steps up to help stanch the bleeding, is told by that same federal government to stop — and, for good measure, that its efforts to help secure the border via a new razor-wire barrier will be undone? There really is only one apt word: “Orwellian.” On Monday, the Supreme Court voted 5-4 — with moderate Chief Justice John Roberts and center-right Justice Amy Coney Barre…