justice kolea, which took chevron, which nobody understood, to include this two-step rule d turned it into what we now know and late in life he came to regret that decision. what we make tt lesson about humility? i do think reconsidering particularly a methodology error isarof judicial humility. i do think if you ok at the justice scalia perez opinion, one of the things he said most clearly and said all along with r decision in chevron with heedless of section 706. if you're looking for a special justification to overturn an opinion i ink it's got to be at the top of the list. >> thank you. >> justice kavanaugh ? >> a couple questions, first on skidmore i want to say how thought about it. yotell me whether this is wrong. that itrespects contemra is -- contempones and consistent interpretations as evidence of the proper original meaning of the statute because that is common sense in statutory interpretation more generally. if it was contemporaneous and consistent it is more likely to be correct. at is with respect, buthe word deference, i would not have used there. >> i think you have