We don't teach our children the lessons of Aesop's fables much any more. "The Cat in the Hat" and Sesame Street's wisdom have taken their place. But there's one fable I learned as a boy at my mother's knee sitting around an open fireplace that I believe is pertinent to this debate on homeland security that has so divided this Senate along party lines. It goes like this: A certain man had several sons who were always quarreling with one another, and, try as he might, he could not get them to live together in harmony. So, he was determined...