After exchanging fireplace, Israel and Iran are each committing to cease assaults towards each other. But Iran issued a key caveat: Israel should additionally cease its assaults on Hezbollah, its Lebanese proxy in southern Lebanon. That’s a non-starter for Israel, which is vowing to intensify assaults in southern Lebanon. But Iran’s new crimson line displays a core half of its technique. NCS’s Jeremy Diamond examines why Lebanon might decide the future of this battle.