score: 2, Security, 2015-09-15 04:05:44, published by CNN
After a prolonged spell of silence, al Qaeda leader Ayman al-Zawahiri has come alive with a series of audio messages. And they're raising a few eyebrows because -- in two separate messages -- al-Zawahiri has extended an olive branch to ISIS, even while describing ISIS leader Abu Bakr al-Baghdadi's "... [additional details]
