President Trump has repeatedly said that the United States and Iran were coming close to a deal to end the war. It is not clear that they are actually any closer at the moment.
Washington and Tehran would need to defend any potential deal as a win for their side. And each has a leader whose approach to talks is vexing mediators.
Iran’s leaders want to show they are serious about defending their Hezbollah allies in Lebanon and maintaining the regional balance of power, analysts say.