Bobo, Harvard??s W.E.B. Du Bois Professor of the Social Sciences, struck at the canard that Africa was a continent that had not contributed much to world culture. ??This is one of the places,?? he said of the center, ??correcting the deep error of that assumption.?? Introducing the first medalist, Patrick apologized on behalf of Jarrett, a key White House player in President Obama??s domestic agen