Alan Greenspan, former chairman of the U.S. Federal Reserve and president and founder of Greenspan Associates, speaks during a Bloomberg Television interview in Washington, D.C., U.S., on Monday, June 27, 2016. Greenspan discussed the state of the European Union and Eurozone with the prospect of a second Scottish referendum and his call to get Greece out of the Eurozone. Photographer: Andrew Harrer/Bloomberg via Getty Images