Giant corporations today are seldom headed by someone whose name is on the building, since hardly anybody has a moniker like Exxon, Primerica or Unisys. But at Ford, Detroit's fastest moving automaker, the fourth generation of a family dynasty is moving up. Last week the company elevated two young executives to its board of directors: Edsel B. Ford II, 39, and William Clay Ford Jr., 30, both great-grandsons of the founder. Edsel II is general sales manager of the Lincoln-Mercury division, and William Jr. heads Ford's operations in Switzerland.
The two cousins, who deny any rivalry, will have to struggle if...