The al-Qa'ida (AQ) core, under the direction of Ayman al-Zawahiri, has been significantly degraded as a result of ongoing worldwide efforts against the organization. Usama bin Laden's death was the most important milestone in the fight against AQ, but there have been other successes dozens of senior AQ leaders have been removed from the fight in the Afghanistan-Pakistan region. Ilyas Kashmiri, one of the most capable AQ operatives in South Asia, and...