The death of al-Qaeda leader Ayman al-Zawahiri in a US drone strike in the Afghan capital Kabul has sparked curiosity about who can now take command of the terrorist organization. Sayf al-Adl, born in Egypt, is the most likely candidate. He is the sole survivor of a group of five al-Qaida veterans named in the past as al-Zawahiri's deputy, and he is now touted as the most likely successor. Share on WhatsAppShare on Telegram But there might be a problem. Al-Adl is believed to be currently living under restrictions in Iran — a country that al-Qaeda considers a staunch enemy....