In Mark Twain's delightful story, The Adventures Of Huckleberry Finn, the following incident occurs. Huck and his friend are talking. His friend, Buck, wants to kill someone. Huck wonders what this person had ever done to get his friend so agitated. Finally, the reason comes out. "Why, nothing -- only it's on account of the feud." Huck is still puzzled, "What's a feud?" His friend cannot believe that Huck is so stupid not to know what a feud is; hence he goes on to explain. A feud begins with two men who have a quarrel, and then one man kills the other man. Then the dead man's brother kills his murderer, and that sets off a chain reaction. Soon the cousins get in the act too. Eventually, everyone is killed off and that is the end of the feud. Of course, as Buck adds, "... it's kind of slow…