Following the Western drawdown in Afghanistan, the global and regional security landscapes will change dramatically. Al Qaeda, the Afghan Taliban, and their allies, who are still posing a threat to the U.S.-led coalition, are poised to return to Afghanistan. Further, the mujahidin in the tribal areas of Pakistan may once again draw the support of pools of fighters. Scholars from the countries discussed use their own on-the-ground experience to explain the post 2014 key strategic decisions that face policymakers in Afghanistan, the United States, and the region. These diverse perspectives help...