The White House is exploring every avenue of executive power to get what President Trump wants from the Federal Reserve: lower interest rates.

President Donald Trump has escalated his pressure campaign against Federal Reserve Chair Jerome Powell, leaving the door open to ousting him for “fraud,” he said last week. That raises questions about what would happen if Trump actually tires to fire the central bank leader.

Trump and the Trump administration have increasingly turned their fire on Powell and his leadership of the central bank.