Ruud Dobber, AstraZeneca U.S. President, says the company's Covid-19 vaccine is safe and effective. Heather Boushey, U.S. Council of Economic Advisers Member, says this economic crisis isn't over. Bob Michele, JPMorgan Asset Management CIO, Managing Director and Head of GFICC, thinks we've seen the first steps for the Fed tightening monetary policy. Robert Hormats, Tiedemann Advisors Managing Director, says the U.S. may ramp up pressure on China. Lara Rhame, FS Investments Chief U.S. Economist, says it would be a mistake to assume the U.S. can sustain growth at these astronomic levels.