Nigeria, July 18 -- As it so often tends to be with people who have headed a country, Muhammadu Buhari's strongest sentiments lie in the hearts of the millions he once led. They stretch far into the years when he rallied supporters under the umbrellas of different parties, losing each time to his and their dismay, to those days when he finally ascended to the highest office in 2015. It is sobering now that he had unwittingly implied the same when, in the famous line of his inaugural speech, he said, "I belong to everybody and I belong to nobody." My thoughts here resonate strongly with this line as it easily forms a template by which we can easily assess his presidential years. That and the mantra of "Change," upon which his party rode to...