Dr. Francisco Castillo Nájera, Mexico's Ambassador to the U.S. and a good chess player, was playing the biggest diplomatic game of his career. On the international chessboard in Washington were some powerful piecesoil, silver, the Good Neighbor policy. One afternoon last week, at an hour usually sacred to siesta, Chess Player Castillo Nájera played all his pieces and played them well.
> First move was silver. When the Cárdenas Administration grabbed U.S.-owned oil properties in 1938, the U.S. quit direct buying of Mexican silver. In Secretary Morgenthau's office Mexico's Finance Minister Eduardo Suárez...