El Salvador: Castro, Si; Yanqui, Si

Names like Cabot and MacArthur are certainly American. Even Labouisse and Poullada or Reinhardt and Riddleberger do not seem very out of place on the roster of U.S. ambassadors, but the newest name in the diplomatic ranks will have them goggling. Last week President Johnson appointed as the U.S. Ambassador to El Salvador a man named Raul Castro.

Well, no, it wasn't that Raul Castro —he's still waiting 90 miles off Florida. This Raul Castro, 48, is a Tucson, Ariz., superior court judge who was born in Mexico, became a U.S. citizen and...