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<p>You also have to consider the future potential of the job. Let’s face it. Arne Duncan, simply by virtue of having been the CEO of the Chicago Public schools, can earn an extremely lucrative living as a consultant. For example, he could almost certainly get a top job in the Public Sector practice at McKinsey or the other top consulting firms, or start his own consultancy. The mere fact that he was the CEO of CPS is going to attract plenty of client interest.</p>