The killing of longtime al-Qaeda leader Ayman al-Zawahiri could accelerate a trend that has been consistently emerging in recent years—the factionalization and regionalization of the global jihadist movement. To survive, al-Qaeda adopted a franchising strategy which led it to expand worldwide and establish regional branches in the Levant, North Africa, …

Advances in Iran’s nuclear program have heightened concerns that it could develop a nuclear bomb in a matter of weeks. Israel views a nuclear-armed Iran as an existential threat and has signaled it would take aggressive military action to destroy Iran’s nuclear weapons program if it passes the nuclear threshold. …

What do we know about Zawahiri’s death? On 2 August, U.S. President Joe Biden announced that the U.S. had killed al-Qaeda leader Ayman al-Zawahiri in Kabul on the morning of 31 July. The U.S. said it had discovered that Zawahiri had returned to the Afghan capital with his family in …