The killing of Hassan Nasrallah is just the capstone on Israel’s highly successful campaign against the Shia terrorist group Hezbollah in Lebanon. In addition to the group’s chief, six others have been killed in the last week of airstrikes by the Israel Defence Forces (IDF) at targets in Beirut and the Bekaa Valley in southern Lebanon. They were among the most senior members, largely responsible for Hezbollah’s growth into a significant part of Iran’s muscular regional enf