U.S. experts say any new approach to bringing stability to Afghanistan must be regional in scope. Saudi Arabia, with historic ties to the Taliban and Afghan Pashtuns, could hold a principle seat at t…

Experts warn there is slim hope to control this area given its long history of resisting intervention.

The contentious border between Pakistan and Afghanistan remains a site of major conflict, and houses some of the world’s most dangerous militants.

U.S. and Western military officials are calling on Iran to help stabilize Afghanistan, but historic tensions and allegations of arming militants raise doubts about Tehran’s intent.