Roberts has the opinion overruling the 1984 case setting forth a standard in which courts give federal agencies deference to their reasonable interpretations of ambiguous laws. The decision gives more power to the courts to strike down agency actions. www.supremecourt.gov/opinions/23p...
Roberts, overruling Chevron with incredible and unearned hubris: "Perhaps most fundamentally, Chevron’s presumption is misguided because agencies have no special competence in resolving statutory ambiguities. Courts do."