Judicial Review: Key Concepts (Intro)

The federal judiciary, especially the Supreme Court, has repeatedly intervened in divisive domestic public policy issues.
Most dramatic interventions involve invalidating Acts of Congress or state laws as unconstitutional.
Such invalidations are historically hard to reverse: only a constitutional amendment can undo them; amendments are very difficult and rare.
Judicial review is not expressly granted in the Constitution; supporters infer the power from the Constitution being the supreme law and from Chief Justice Marshall's assertion in Marbury v. Madison that, in the judicial branch, it is the duty to say what the law is.

Marbury v. Madison established the power of judicial review, though the Constitution does not explicitly grant it.
The case concerned delivery of commissions to judges and whether the Judiciary Act of 1789 expanded the Court’s original jurisdiction beyond the Constitution; the Court held that expansion was unconstitutional.
Marshall’s decision is seen as a strategic constitutional maneuver: it empowered the courts to invalidate legislation without directly defying Congress or the President.
Marbury did not resolve the broader scope of judicial power; it settled the existence of judicial review rather than its comprehensive limits.
The idea of the judiciary as a separate, potentially powerful branch stands in tension with Hamilton’s view of the judiciary as the "least dangerous branch" of government.

Critics claim the courts, by interpreting the Constitution, effectively substitute their policy judgments for those of elected representatives, creating a de facto lawmaking body—an unconstitutional "superlegislature."
Defenders argue that judicial rulings give effect to constitutional guarantees (even if implicit) and protect rights from majoritarian excesses; judges are guardians of constitutional ideals.
The debate often centers on whether the system should be more "self-restrained" or allow broader constitutional interpretation to safeguard rights.
Historically, support and opposition to judicial power have not aligned neatly with liberal-conservative labels; party or ideology does not fully predict views on judicial power.

Judges are appointed rather than elected and serve for life ("on good behavior"), with strong protections against legislative retaliation.
This independence creates substantial political power, prompting arguments for judicial self-restraint.
The central question is whether unelected judges should determine major public-policy outcomes.

The volume seeks principled grounds for judging the proper scope of judicial authority.
The question of how much power to entrust to unelected judges remains central to constitutional democracy.
The purpose is to assess the legitimacy and limits of judicial action in resolving controversial policy disputes.

Marbury is often cited as establishing judicial review, but it did not resolve all questions about scope; its immediate practical effect was procedural.
The case helped inaugurate a central, enduring role for the judiciary in shaping public policy across issues like abortion, affirmative action, prison conditions, and school finance.
The expansion of judicial power is a lasting legacy of Marbury; whether this trend is appropriate depends on principled judgment about constitutional guarantees and democratic accountability.
Today’s concerns echo the original debate: how much power should unelected judges wield in a constitutional democracy?