At a time when the world is focused on repairing the Islamic State’s damage to the Iraq-Syria border, another key international boundary between Afghanistan and Pakistan faces increasing pressure from jihadism. In fact, the Afghanistan-Pakistan frontier is where transnational jihadism took root nearly two generations ago. It is also the battlespace for the longest war in American history, which started in 2001. Though it has been overshadowed by events in the Middle East since the 2011 uprisings, the jihadist war in Southwest Asia is likely to preoccupy the United States for many years to come.
Located at the crossroads of the Middle East, Central Asia and South Asia, Afghanistan has historically been a conduit for different powers pushing into different directions.
The jihadist conflict on the Afghan-Pakistani border is just the latest form of warfare in an area that has experienced conflict for centuries.
In the here and now, conflict in Afghanistan is onc