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John Mahama nickname na Mr. Dumsor, dum-sor meaning off-on for di local Twi language. Dem give am Mr. Dumsor sake of di electricity shortage wey worry Ghana during im first term for office and dis describe di regular off and on of ligt. Mahama imsef joke about dis name too.John Maham dem borm en into a political tradition dating back to de countrys First Republic. Mahama and Late Jerry Rawlings na political associates. 