In the coming hours, five days will have passed since the assassination of Hezbollah's secretary-general, Hassan Nasrallah, and the beginning of Israel’s war on Lebanon. It has been customary for the resistance in Lebanon to be adept at absorbing the shocks it has faced over the past decades, but this time, it may be experiencing its greatest shock of all. Having said that, there is no doubt that a new leadership—regardless of organizational procedures—is currently managing the battle. This is clearly evident in the performance on the battlefield, which has entailed regained control and a resumption of rocket launches and operations along the southern...