text:  a 6-3 opinion and it looks like there's gonna be a serious clawback of that federal agency power, if not completely overturning this earlier case Chevron from 1984 that gave them so much power. It says, we have given the required courts, we've had them defer to permissible agency interpretations even when a reviewing court reads the statute differently. In this case, as we consider whether that doctrine should be overruled,