Six days to the January 7 swearing-in of Ghana's President-elect, John Dramani Mahama, 11 heads of state including President Goodluck Jonathan, have confirmed their participation in the historic event.Six days to the January 7 swearing-in of Ghana's President-elect, John Dramani Mahama, 11 heads of state including President Goodluck Jonathan, have confirmed their participation in the historic event.