ACCRA, Ghana (AP) - The year was 1966 and a 7-year-old boy named John Dramani Mahama was standing by the door of his boarding school, wondering why his father wasn't there to fetch him. The Easter holiday was approaching, classes were done, and everyone else had left. But as Mahama would relate in a memoir, his father didn't show up. He was in jail and Ghana was in the throes of a coup d'etat, das...