Happy New Year! As you read this, you already know the winners of the Iowa caucuses, but, as I write it, those caucuses are still a week away. So, using this column to make Iowa predictions would be rather foolish, don't you think? Instead, let me offer a system for evaluating the candidates' messages and how those messages affect their chances for success. And, since this is very subjective exercise, don't take my word for it... play along at home. ...