The Holocaust is a cautionary tale about social engineering based on race. In a multicultural society care should be taken to not elevate or denigrate based on race. Where possible we should correct mistakes but emphasis today and tomorrow ought to be on equality and opportunity. If we see ourselves as JFK said "Our most basic common link is that we all inhabit this planet. We all breathe the same air. We all cherish our children's future. And we are all mortal." To focus on the "struggle against the common enemies of man: tyranny, poverty, disease and war itself."