Judicial Legitimacy Quotes
Judicial Review is the principle which allows a court—judges—to declare an act of the legislature or the executive improper and unlawful. It is a standard principle of American government yet it was not explicitly stated in the Constitution. Hence to some, there is a question about the legitimacy of Judicial Review itself. Many nations do not have it. Many people think it is the most important aspect of a democratic society as it provides a check on both the executive and the legislature.
He served on a Supreme Court that was as close to political as any had ever been. Hence his great concern.
Senator Wynden floor speech saying the Biden Administration should ignore the abortion rulings of the court when they disagree with it. See linked quotes for related comments.