In the seminal case Marbury v. Madison, the Supreme Court decided that Marbury’s commission was valid and the new administration’s unwillingness to honor it violated a “vested legal right.” ...

Marshall initially held that Marbury should get his judgeship, and the writ of mandamus was the proper procedure to secure his commission. Federalists applauded that part of the opinion.

Activist judges are increasingly abusing their position to thwart the president’s actions on a nationwide level.

Marbury v. Madison, the case that established the courts’ power to review the law, explained Donald Trump is testing one of the most foundational cases in American constitutional law.

Madison, in which the Supreme Court established the principle that the courts are the final arbiters of the law. Here are some questions and answers about the judiciary's role in American government.

President Donald Trump is pressing the boundary between the executive and judicial branches. He may be headed to a test of a key case in U.S. constitutional law.