Ernest Moniz, Former U.S. Energy Secretary, says Russia will soon find buyers for its discounted oil. Nouriel Roubini, Roubini Macro Associates CEO & TheBoomBust Co-CEO, says the Fed's dot plot is not realistic. Megan Greene, says monetary policy divergence among central banks is impossible to maintain over a period of time. Seema Shah, Principal Global Investors Chief Strategist, doesn't expect much more upside for equities from here.