Twenty-five years after September 11, al-Qaeda endures not as the centralized force that once reshaped history, but as a dispersed constellation of regional franchises — each rooted in local grievances, each sustained by the economics of violence rather than the grand ideological vision that first animated the organization. The counterterrorism campaigns of two decades have hollowed out the core, yet the branches in the Sahel, Somalia, Yemen, and Afghanistan persist precisely where states are weakest and communities most fractured. What remains is a quieter, more patient threat — harder to see