Visit this url link below in the Federal Reserve website and read the entire transcript of the speech given given by the Fed's Chair Janet Yellen on October 20, 2017 at the National Economics Club regarding the US monetary policy perspective in the context of the major challenges in the decade ahead that the Fed is facing. After highlighting her key points on nonconventional monetary policy measures, critically give her key recommendations for monetary policy to cope up with future challenges by the Fed to fine tune the economy in the face of possible crisis like the during great recession of 2008.