Nigeria, Feb. 11 -- Yusuf Buhari, son of Nigeria's former president, Muhammadu Buhari, recently offered a rare glimpse into what it truly feels like to live on the inner edges of power and then suddenly outside it. His account, tracing the journey from the moment his father was declared winner of the presidential election to the quiet days after leaving office, carries an emotional weight that lingers long after one reads it. I found myself noticing how many people reacted with a resigned whisper, "such is life." Indeed, Yusuf did not reveal anything radically new, yet his reflection confirmed what many of us have long imagined about leadership in this part of the world: that disappointment, unmet expectations, and even accusations of be...