Now that the tabloid feeding frenzy has abated somewhat, it's time for a cooler look at the furor over former Gov. Arnold Schwarzenegger's fathering a child by one of his household workers. A few pundits have tried to make the connection between his marital betrayal and his failings as governor, but one has nothing to do with the other. Illicit sex involving political figures is nothing new and, as we know now, was rampant even among the nation's founders. More recently, we have seen scandals involving Bill Clinton, Eliot Spitzer, Strom Thurmond, Mark Sanford and John Edwards, to name but...