U.S.-Iran negotiations collapsed over the weekend, but Israel's refusal to accept a Lebanon ceasefire threatens to unravel the entire truce. New York Times journalists explain why Netanyahu views Hezbollah's destruction as non-negotiable and how this divergence between American and Israeli interests could reignite regional war. Israel rejected the ceasefire agreement because it included Lebanon, where Netanyahu had promised to eliminate Hezbollah as a threat to northern Israeli communities.