Nigeria ’s president-elect, Muhammadu Buhari, did not smile while making his acceptance speech on Wednesday — understandably, as terrorism and corruption were his main talking points. A day after piling up substantial vote totals against the incumbent president, Mr. Buhari, a former general who once rose to power in a military coup, further consolidated something extraordinary for Nigeria: the peaceful passing of power from one political party to another through the ballot box. The country is now a democratic nation like others, Mr. Buhari suggested Wednesday, both in his words and in the fact that the democratic process had worked well enough that he could give the speech at all. But in his […]