Originally Posted by
Downtime
Its granted by the fact that they have original jurisdiction over disputes involving the federal government. So if you say XYZ law is unconstitutional and sue the feds someone has to settle it. That’s the courts. It’s been how things have operated since 1806. 214 years of precedent.
No on is disputing this. But one doesn't need to "interpret" the Constitution in order to decide if an action fits within it. The document means exactly what it meant at the time it was written down.