As a journalist, book author, and sometime adviser with frequent visits to Afghanistan between 2002 and 2015, I offer this distillation of lessons that we might learn from the United States’ longest …

A new compilation of data gives insight into the African Islamist insurgency’s reach, tactics, and evolution. It reveals a far higher victim count than previous estimates.

The pandemic is exacerbating a decline of democracy across sub-Saharan Africa. To combat the trend, the United States and other partners should commit to the painstaking work of bolstering democratic…

The resurgence of separatism in Nigeria—a consequence of the federal government’s failure to provide security in the face of multiple threats—is stirring memories of the country’s deadly civil war.