Marbury v. Madison: How Much Power Does the Supreme Court Have?
Legislative, Executive, and Judicial—three equal branches of government… right? Not at first. Haley Proctor, Associate Professor of Law at Notre Dame, explains how Marbury v. Madison (1803) redefined judicial authority and transformed the role of the Supreme Court.

Now Playing: 1 of 4
The 10 Most Important Supreme Court Cases

Marbury v. Madison: How Much Power Does the Supreme Court Have?
5-Minute Videos • Haley Proctor

McCulloch v. Maryland: The Birth of Big Government
5-Minute Videos • John Yoo

Lochner v. New York: Opening Pandora's Box
5-Minute Videos • Robert George

Dred Scott v. Sandford: A Slave's Fight for Freedom
5-Minute Videos • Janice Rogers Brown