Thomas Barkin, Richmond Fed President, reacts to US January CPI data. Stephen Stanley, Santander US Capital Markets Chief US Economist, says the latest inflation print came in 'as expected' but 'could have been worse.' Kenneth Rogoff, Harvard Professor of Economics & Public Policy & Former Chief Economist at the International Monetary Fund, says we could see interest rates at 6%. David Rosenberg, Rosenberg Research Founder & President, says today's data gives the Fed a green light to go in March.