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.

International efforts have helped reduce the number of Afghan provinces growing opium poppies. But CFR’s George Gavrilis says the drug trade continues to flourish, requiring broader counternarcotics …

Nigerian President Jonathan’s mishandling of the aftermath of a lethal car-bomb incident could spell heightened regional tensions in the lead-up to elections early next year, 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 …