The Supreme Court eliminated so-called "Chevron deference" more than a year ago. Hatched from the 1984 Chevron v. Natural Resources Defense Council ruling, the doctrine held that courts should defer to agency interpretations of the laws authorizing their activities if the language was ambiguous.

Over four decades, this misguided doctrine had warped the balance of power in our government, transforming agency staff from mere executors of the law into quasi-legislators. Thankfully, in last year’s Loper Bright Enterprises v. Raimondo decision, the court restored some sanity, ruling that federal judges were no longer required to defer to federal agency interpretations of law.

To say Chevron blurred the constitutional separation of powers would be an understatement. It required judges — those who hold the exclusive authority of legal interpretation — to effectively shrug and........

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