"They were together early in their professional lives, as federal prosecutors working on corruption cases and later when they were engaged in private practice at the same firm, where they shared a fondness for practical jokes. Then the careers of the two lawyers took off, and after one of them, Rudolph W. Giuliani, was elected the 107th mayor of New York , he went to the apartment of the other, Michael B. Mukasey, by then a federal judge, for a private swearing-in ceremony on New Year's Eve." (Free Reg. Req.) These two are proof that the old saying "It's not what you know but who you know" is surely the rule in government.