Nigerian Finance Minister Ngozi Okonjo-Iweala is battling to reform one of the world's most corrupt nations without support from the shadowy "godfathers" who wield power from behind the scenes.
The demise of Air Nigeria, grounded by debt and safety concerns, leaves the country with just four domestic carriers operating scheduled flights, a blow for efforts to develop the country's economy.
Unevenly managed reform of the cocoa sector in the world's top grower may cause chaos in its exports likely to push up prices of the chocolate ingredient.
World's top cocoa grower must turn its back on factional conflict if it wants to meet its growth targets and gain emerging market status by 2020, World Bank President Jim Yong Kim said at the end of a two-day visit.