Martin Feldstein, Harvard University George F. Baker Professor of Economics, says now is the time for tax reform because the politics are right. Henry Olsen, EPPC Senior Fellow, says President Trump needs to recover his populist mojo. Matt Hornbach, Morgan Stanley Global Head of Interest Rates Strategy, says it's time for the next bond market phase. Michael Chui, McKinsey & Co. Senior Fellow, says there is enough work for people to do, even with the increased use of robots.