"Honestly, I really mean this," Trump insisted after hounding the Fed for years. "I want Kevin to be totally independent."

Never before has a chair of the US Federal Reserve been so controversial. Who is Kevin Warsh? Can he preserve the Fed's independence, or will he become Donald Trump's puppet?

Never before has a chair of the US Federal Reserve been so controversial. Who is Kevin Warsh? Can he preserve the Fed's independence, or will he become Donald Trump's puppet?

President Donald Trump urged newly minted Federal Reserve Chairman Kevin Warsh on Friday to operate "independently."