Nigeria's new president will have to live up to his name, as he takes over in murky circumstancesWEARING the wide-brimmed hat favoured by tribal chiefs in his corner of Nigeria, Goodluck Jonathan this week assumed office as the country’s acting president. In a televised address to his 150m people, the erstwhile vice-president said that the “circumstances” that had led to his promotion were “uncommon, sober and reflective”.