A cartoon in Argentina's Mercado magazine last week listed the prevailing "exchange rates" for kidnaped diplomats: "Eight guerrillas for one Japanese consul; eleven political prisoners for one ambassador; 15 terrorists for one general; twelve Maoists for a minister." The tactic of the diplomatic kidnaping, however, has aroused more alarm than amusement in chancelleries around the world. Last week two more potentially deadly incidents took place.
In the Dominican Republic, six smartly uniformed guerrillas seized a U.S. air attaché, Lieut. Colonel Donald J. Crowley, 47, from the very polo field in Santo Domingo...