The leadership void caused by the illness of Nigerian President Umaru Yar’adua could lead to domestic upheaval and a succession crisis, writes CFR’s John Campbell.

Africa’s most populous country is holding tight elections amid a fierce insurgency and plummeting oil revenues. There are concerns that the vote could trigger a new round of instability, writes CFR’s…

A state of emergency in Nigeria’s northeast signals that Islamist violence and the government’s brutal response have rendered the region ungovernable, says CFR’s John Campbell.

Venezuela’s stepped-up efforts to develop nuclear power and tighten its bonds with Iran require a firm but deft diplomatic response from the Obama administration, write CFR’s Joel Hirst and Jonathan …

The events convulsing the Middle East should prompt supplier states to place a moratorium on most nuclear cooperation with the region and devise long-term plans for better safeguarding major nuclear …