By Sheriff Folarin, Professor of International Relations, Covenant University The traditional leadership and redeemer posture of Nigeria in Africa has, in recent years, been put into question. Issues like corruption and infrastructural decay have held the country down from playing a leadership role in Africa. As have transitions from one poor leadership to another. A visionary leadership is lacking while public institutions are weak, inept and compromised. Decades of political patronage and nepotism have seen a corrosion of quality and…

The US and the African Development Bank have fallen out over allegations of corruption against the bank's Nigerian head, writes former BBC Africa Business editor Larry Madowo. Akinwumi Adesina is a sharp dresser known for his expensive tailored suits, immaculate white shirts and an endless supply of colourful bow ties. But the clean public persona of the 60-year-old president of the African Development Bank (AfDB) is now being questioned after a string of corruption and abuse of office allegations from his own staff spilled into the open. Mr Adesina has denied all the allegations. The board of governors of the 55-year-old institution met on Tuesday to discuss whether to bring in an outside investigator into the allegations concerning the Nigerian's conduct just days after the US rejected an initial inquiry that cleared him. The prospects of an independent probe comes only three months before he was expected to be re-elected unopposed at its annual general meeting in August. US at odds with Africa The 20-point allegations of "impunity and bad governance" from unnamed employees have exposed a rift between Mr Adesina and ordinary staff. The "Group of Concerned Staff Members of the AfDB" claimed that Mr Adesina has used the…