Hezbollah chief Hassan Nasrallah is dead, along with several other senior leaders. But Hezbollah says it will continue the fight. And despite the setbacks, it's demonstrated its capabilities to Israeli troops. The Israeli military has confirmed the killing of several soldiers since a ground operation in Lebanon began on Tuesday. So, is Hezbollah prepared for a long battle with Israel? And how will it face discontent among Lebanese civilians at the prospect of another war?