LONDON – Eight years ago this week, after 200,000 unnecessary deaths, 40,000 “disappearances” and 440 decimated villages, peace formally came to the last redoubt of the Central American war zone, Guatemala. Put it up there with Rwanda, Cambodia, ex-Yugoslavia and today the Congo, as one of the great killing fields of the “post-war” world. The violence never reached the crescendo it did in neighboring El Salvador, nor did as many people just “disappear” as happened in Chile and Argentina, nor did the war stretch on and on as long as in Peru and Colombia, but no country in Latin America came near Guatemala for long-term systematic assassination and torture. Before my first trip to this heart-torn country in 1980 I went for a briefing in London from the secretary-general of Amnesty International. I had asked him to point me in the direction of the worst country on their books and...