|Throughout the booms and busts of his Fort Worth oil empire and during his brother’s notorious murder trial, Kenneth W. Davis Jr. largely kept to himself. At 89, he still does. He puts in full workdays at his small downtown office, with drapes drawn against the North Texas sun. He usually dines at an exclusive club across the street, often alone, using distinctive silverware set aside just for him.
Davis has long shut out politics, too. He remembers voting only three times – for Eisenhower, Goldwater and Reagan. Yet last...|