Is Zawahiri History?

"Report says attack may have killed al-Zawahiri" from WND reports that Osama bin Laden's Number Two mastermind Ayman al-Zawahiri may have been killed in a Predator airstrike in Pakistan on July 28th, according to Stratfor - and that there may be a government announcement soon about the event.  Apparently the hit was made on a madrassa used as a training camp. 

"Analysis: Reports of Zawahiri’s death are based on suspect sources" by Bill Roggio

"Pakistani Taliban denies Zawahri dead or hurt" from Reuters