A couple of days ago I received an email from one of my correspondents, Shirley C. to be specific, and therein was a list of countries with murder rates greater than the U.S. Quite a few there were. But my curiosity was piqued, and I was sucked into another paroxysm of impulsive number crunching. Well, something to that effect. Here are the results. First, there’s my reconstruction, reordering and summarizing of the murder rates from various regions of the world: A couple of minutes’ scrutiny of the table makes it obvious that the highest murder rates are in sub-Sahara Africa...