- Courses
- Constitutional Law
- Activity 5
Judicial Review
Why it Matters
Judicial review is the foundation of constitutional law: the power of courts to say what the Constitution means and to strike down laws or actions that violate it. Without this power the Constitution would be just words on paper; with it, the courts become active players in the balance of power among the branches and between government and the people. Nearly every major case in this course depends on it, whether Congress passes a law, the President issues an order, or a state limits individual rights. Once you understand where this power comes from, how it works, and what its limits are, you’ll have a clearer view of how courts shape American law and politics.
Current Context
On June 30, 2026, the Court in Trump v. Barbara struck down Executive Order 14160 and held that children born in the United States to parents unlawfully or temporarily present are citizens at birth under the Fourteenth Amendment’s Citizenship Clause. Chief Justice Roberts wrote for a divided Court, with Justice Kavanaugh reaching the same result on statutory grounds; the National Constitution Center’s coverage walks through the opinions, and the National Immigration Forum’s explainer maps the practical effects. An Article III court nullified a sitting President’s executive order and the order fell, which is Marbury’s premise operating at full strength 223 years after Marshall asserted it.
Key Concepts
Judicial Review
The power of courts to determine whether a law or government action is constitutional. It is nowhere stated expressly in the Constitution’s text, which is why Marbury’s argument for it matters so much.
Marbury v. Madison
The 1803 case in which Chief Justice Marshall established judicial review while declining to order the relief Marbury sought. It is both a landmark of constitutional reasoning and a masterclass in institutional strategy.
Justiciability
The set of doctrines, including standing, ripeness, and mootness, that determine whether a court can hear a case at all. These doctrines are the self-imposed limits on judicial power.
Judicial Supremacy
The idea that the Supreme Court has the final authority on interpreting the Constitution, binding the other branches and the states. Cooper v. Aaron is its strongest statement.
Departmentalism
The competing view that each branch of government can interpret the Constitution for itself within its own sphere. The tension between departmentalism and judicial supremacy resurfaces whenever a President or state resists a court order.
Resources
- US Constitution (Constitution Annotated) (Article III is the starting point; note what it says about judicial power and what it conspicuously does not say about judicial review.)
- Marbury v. Madison (1803) (The origin of judicial review; read Marshall’s reasoning directly rather than through summaries.)
- Federalist No. 78 (Alexander Hamilton) (Hamilton’s defense of judicial independence and of courts interpreting the Constitution, written before Marbury made it law.)
- Cooper v. Aaron (1958) (Reaffirms that Supreme Court interpretations of the Constitution bind the states; the high-water mark of judicial supremacy.)
- United States v. Nixon (1974) (Judicial review in action as a check on the President himself.)
- Walsh, K. C. (2017). Originalist Law Reform, Judicial Departmentalism, and Justice Scalia. 84 U. Chi. L. Rev. 2311 (A modern scholarly case for departmentalism, for the debate in Part 3.)
- Post, R., & Siegel, R. (2004). Popular Constitutionalism, Departmentalism, and Judicial Supremacy. 92 Calif. L. Rev. 1027 (The other side of the scholarly debate over who gets the final word.)
What to Do
This activity helps you understand both the origins and the implications of judicial review. You will use AI to dig into landmark cases, explore competing theories of who interprets the Constitution, and reflect on how judicial review operates in practice, verifying the AI’s account against the primary sources above.
Part 1: Analyze the Origins
Use the Case Reasoning Tutor to break down Marbury v. Madison, focusing on how Chief Justice Marshall establishes judicial review both legally and strategically. Then run the Marbury Logic Auditor and check its reconstruction of Marshall’s argument against the actual opinion at the Google Scholar link. Read Federalist No. 78 alongside this work to see how Hamilton envisioned the judicial role before Marbury existed.
Part 2: Explore Its Use and Reach
Pick one or two cases where judicial review was used to challenge executive or legislative power (Cooper, Nixon, or another of your choice). Use the Case Reasoning Tutor to explore how courts assert this power in practice and how the other branches respond, and verify the key holdings against the opinions themselves.
Part 3: Debate the Boundaries
Use the Modern Controversy Tracker to explore the live debate over judicial supremacy versus departmentalism. Ask it to find a current controversy, such as executive resistance to court orders or state defiance, and explain how it tests the limits of judicial power. Skim the Walsh and Post & Siegel articles so you can tell whether the AI’s framing of the two positions is fair.
Part 4: Write Your Post
Write a 400–600 word post addressing what you learned about the power and limits of judicial review, which case or moment stood out to you and why, and whether you think courts should have the final say on constitutional questions. Include two AI excerpts, one from the Case Reasoning Tutor and one from the Modern Controversy Tracker, and reflect briefly on how useful each was.
Part 5: Share Chat Link
Include one AI chat link with a 1–2 sentence explanation of what the conversation shows and why you chose to share it.
Suggested AI Prompts
Use these prompts as a starting point, then adjust them to fit your goal. Strong prompting develops through trial, revision, and testing. It’s a foundational skill that grows into more advanced AI work such as context engineering and agent-based workflows.
The Case Reasoning Tutor
You are a constitutional law tutor helping me understand the principle of judicial review. Start by asking me for a case name. Then explain how the case establishes or uses judicial review. Walk through the facts, reasoning, opinions, and lasting significance in clear, structured steps. Make sure to highlight how the court justified its authority to interpret the Constitution, and distinguish clearly between what the opinion actually holds and what later cases or commentators have made of it.
Role assignment plus a step-by-step structure keeps the explanation organized around the reasoning rather than trivia. The closing instruction to separate holding from reputation targets the most common error in AI case summaries: attributing to the opinion things it never said.
The Marbury Logic Auditor
You are a legal logician. Reconstruct Chief Justice Marshall’s argument for judicial review in Marbury v. Madison as a numbered chain of premises leading to the conclusion that courts may refuse to enforce unconstitutional statutes. For each premise, note whether it comes from the Constitution’s text, from the nature of written constitutions, or from the judicial function. Then identify the single premise you consider most vulnerable to attack and present the strongest historical or logical objection to it, drawing on the departmentalist tradition where relevant. Flag any step where you are uncertain whether Marshall actually made the argument or whether it is a later reconstruction, so I can verify against the opinion itself.
Decomposition into numbered premises exposes the skeleton of an argument that flowing prose conceals, and the self-critique instruction pushes the model past summary into evaluation. The uncertainty flag builds verification in: you confirm the reconstruction against the real opinion rather than trusting the model’s memory of it.
The Modern Controversy Tracker
You are an AI researcher tasked with connecting judicial review to today’s constitutional debates. Start by asking me for a historical case (for example Marbury, Cooper, or Nixon). Then use current sources from your web search tool to show how that principle is being tested or challenged today, such as executive resistance to court orders, state defiance of federal rulings, or proposals to limit the courts. Explain the controversy, the connection to the historical case, and why it matters to the balance of powers as of today. Present the judicial supremacy and departmentalist readings of the controversy side by side rather than picking a winner, and cite your sources so I can verify the events actually occurred as described.
Requiring live search plus citations keeps the model out of its weakest zone, recent events recalled from memory, and the side-by-side framing instruction counteracts the tendency to collapse a contested question into one confident answer. Verify at least one cited source before using the material in your post.