Olivier Blanchard, Former IMF Chief Economist, says the Fed is going to have a hard time slowing inflation. Vincent Reinhart, Dreyfus and Mellon Chief Economist, says the Great Moderation is over. Savita Subramanian, BofA Securities Equity and Quant Strategist, says energy is investable again. Alina Polyakova, Center for European Policy Analysis President & CEO, says Putin may advance further into Europe if he takes Ukraine. Elsa Lignos, RBC Global Head of FX Strategy, says there are big obstacles to de-dollarization.