The Abacha in Tinubu, by Iduh Onah There is an old and uneasy ghost that still haunts Nigeria’s Aso Rock Presidential Villa – a spectre dressed in camouflage, perfumed with decrees, fear, and the stale arrogance of unchecked authority. It is the ghost of General Sani Abacha, the military ruler who transformed Nigeria into a graveyard of dissent, where opposition figures vanished into prison cells, journalists learned the price of truth, and democracy itself was placed under military detention. For the two decades and eight years since Abacha died (on June...