Here's the title of the book in question: Out of America: A Black Man
Confronts Africa

And the author: Keith Richburg (He was Washington Post Reporter stationed
in Africa)

And how to buy it:
http://www.amazon.com/gp/product/015...lance&n=283155

And the Google Search String I used:
http://www.google.com/search?sourcei...frica+Reporter

A quote that sums up his feelings:

"Mr Richburg, who is now working for the Washington Post in Hong Kong, says
he is not condoning the evil of slavery, but insists that condemning it
should not blind blacks to the fact that good has emerged from it..."