The jihadist threat is outliving its global leaders

The killing of al Qaeda deputy leader Abdullah Ahmed Abdullah, which multiple current and former U.S. officials have attributed to a team of Israeli agents, according to the Associated Press, was a big blow to the top tier of America’s decades-long terrorist enemy. A long-standing member of al Qaeda’s senior leadership who had been in Iran since 2003, his death was yet another victory in a US-led counterterrorism campaign that in recent months…