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Mary Ann Akers And Paul Kane Thursday, August 14, 2008; Page A15 Detroit's embattled mayor, Kwame Kilpatrick, a superdelegate to the Democratic National Convention, is holding out the possibility that he'll actually be able to go to Denver this month. In other words, the "hip-hop mayor" could get a new nickname: the Most Unwanted Man at the convention. (Besides maybe John Edwards...