Imam Feisal Abdul Rauf has achieved fame and notoriety in America based on his effort to build a mosque at a Ground Zero site that sustained damage from the attack. If we take him at his word, that his intention is build bridges not to aggravate tensions, then his rise illustrates the Peter Principle. The 1969 bestselling book The Peter Principle contends that people get promoted at work until they finally are assigned a job they cannot grow into, resulting in competent people eventually becoming incompetent as they rise, ironically, to a position of failure. Readily available data suggests this...