On a planet driven by suspicion of the other, have we ever had such a rich mix of the world’s population gathered in a single nation? Can we achieve harmony? Can we ensure that every group has equal access to opportunity? Can we show the world that this country, built partly on the backs of black slaves, can nurture and sustain a society that embraces all? Over a century ago W.E.B. DuBois declared that race was the central issue of his time. Sadly his statement is equally true today. To build an America in which people of many races and cultures live together as a single nation, we must create a cultural common ground. Our nation’s educational institutions must embrace the cultures of all Americans. And that is just what you have done h...