Trump has threatened to fire Fed Chair Jerome Powell, challenging the Fed's independence. Experts say he's not the first president to target the central bank, but he's the most public and aggressive.

The U.S. Federal Reserve's independence is under threat from mounting political interference, according to a clear majority of economists polled by Reuters, although no one expects a July interest rate cut despite a recent divergence in views among policymakers.

Trump has criticized Powell for months because the chair has kept the short-term interest rate the Fed controls at 4.3% this year, after cutting it three times last year. Powell says the Fed wants to see how the economy responds to Trump’s sweeping tariffs on imports, which Powell says could push up inflation.