Where the two presidents’ war of words will end is anybody’s guess. But if it continues, it could threaten the crucial operational help that Ukraine still gets from the United States. By Kim Barker A ...

Weak governance, poverty, and climate stress have allowed jihadist groups to establish a foothold across the Sahel, with the Liptako-Gourma borderlands of Burkina Faso, Mali, and Niger now accounting ...