In King v. Burwell, Chief Justice John Roberts did the Obama administration a bigger favor than he realized. Writing for a himself and five colleagues, Roberts blessed the administration’s expansion of the Affordable Care Act’s individual mandate, employer mandate, and premium subsidies in the 34 states that refused to establish exchanges — even though the majority, to say nothing of the three dissenters, recognized that expansion was in direct conflict with “the most natural reading of the pertinent statutory phrase.”