its core in Pakistan has been degraded by years of CIA
drone strikes — is now experiencing renewed strength
through its affiliates, led by al Qaeda in the Arabian
Peninsula (AQAP) in Yemen and the Nusra Front in Syria.
Clapper called the two groups al Qaeda's "most capable"
affiliates in his House testimony Thursday..."
http://www.nbcnews.com/news/world/al-qaeda-makes-comeback-n526006
