The continent’s most populous country faces savage terrorist violence, endemic corruption and economic uncertainly. If it succeeds in managing the largely peaceful transfer of power via the ballot box it will send a message of good news to the rest of the world Nigeria has a new president-elect, and at the time of going to press the transition from Goodluck Jonathan, who has ruled for the last four years, to the former military head of state, Muhammadu Buhari, was proving mostly peaceful. The Islamist Boko Haram terrorists, who have murdered 13,000 people in the last six years, were reportedly being driven back for the first time by the Nigerian army, helped by forces from Chad, Cameroon and Niger. And while there were accounts of reprisals by Christians against Muslims in the Musl