Un nuovo episodio di Planet Money, il podcast di economia di NPR.

President Donald Trump has been loudly critical of Federal Reserve Chair Jerome Powell for years now. Since January, the President has accused him of playing politics by keeping interest rates high. Trump has also threatened to oust Powell — which would mark an extraordinary shift away from the independence of the central bank.

Today on the show, three Indicators: a short history of the Federal Reserve and why it’s insulated from day-to-day politics; how the Fed amassed a ton of power in recent years; and a Trump executive order that took some of that power away.