Nigeria relies almost exclusively on its energy sector for export earnings and 75 percent of federal government revenue, Graeber writes, but a long record of corruption, militancy and banditry has clouded Nigeria's oil prospects.
Observers say that Nigeria's security forces are rounding up large numbers of young men under dubious claims they are insurgents. Many are never seen again.
A deadly and well-coordinated attack by Boko Haram on a military compound and prison in northern Nigeria this week follows 'unprecedented' April attack that killed some 200 people.
'Things Fall Apart' author Chinua Achebe wrote his first book in 1958 and won awards for his work that included the Man Booker International Prize.
Malian officials say militants have given up their 4x4 vehicles, making them vulnerable to French air operations. Reuters journalists north of Bamako saw French and Malian flags hung side by side and one national paper ran a headline today: 'Thank you France, thank you Francois Hollande.' Still, it is early days.
Western nations and international agencies admire the reform efforts of Nigeria's new finance minister. But Ngozi Okonjo-Iweala faces daunting challenges in cleaning up embedded corruption.