“The bill would severely impair the Federal Reserve’s ability to carry out its congressional mandate and would be a grave mistake, detrimental to the economy and the American people.”Janet Yellen’s demands that we don’t politicize monetary policy.So, she responded to a bill aimed to boost transparency and accountability at the Fed, how else? By politicizing the Federal Reserve and monetary policy.The Fed Chair opposes a law that would force the central bank to set its interest rate policy based on a mathematical rule.