 And so what they try to do is to curb it back in. And the basic intuition that explains all of this stuff treated an administrative agency like it's a trial court. And that means it gets deference on facts. It gets some deference on mixed questions of facts and law, like what counts as a particular amino acid, one of Kagan's favorite. No deference whatsoever on a legal question. And so if you do the plain meaning of the statute, it's pretty clear that these guys have to learn what's going on in the organic statutes in order to get things right.