Al-Zawahiri's Legacy, Part 2: Will the al Qaeda Leader's Vision Outlive Him?

Editor's Note: This column is the second of two-part series that explores the legacy of al Qaeda leader Ayman al-Zawahiri, who was recently killed in a U.S. drone strike in Kabul. The first part, we discussed the slain leader's ideological background and his role in taking the jihadist fight directly to the United States and other Western countries. In the second part, we look at al-Zawahiri's struggles to implement this ''far enemy'' strategy and whether his successor will be able to return al Qaeda to its former prominence....