The Supreme Court is taking up an appeal from Alabama, which wants to put to death a man who lower federal courts found is intellectually disabled and shielded from execution.

The Supreme Court is considering whether President Trump should be able to fire the head of the Federal Trade Commission and other independent agencies without cause. We discuss why Congress created these independent agencies in the first place and the broader impact of the court eroding the 90-year-old precedent that protects them from presidential politics.