the 1984 decision that is the chevron case and follow-up decision from last year. arlington versus fcc offered by justice schedulia. and regulators are allowed to use interpretations when there is confusion in the statute. the confusion is whether or not the exchanges can be established and funded by the federal government. >> the challengers to the white house would say it is the plain language of it. and you want to know what congress intended go to the the the guy, johnathon grubber, the economist that wrote the law and he publicly said and i looked at it on line. that it we intended for only individuals with state exchanges to get subsidies because it was our idea to force those states to go to it exchanges. they didn't do. it and so if they want to know what congress intended, don't you look no it further than gruber? >> no, the supreme court will