Expectations for the upcoming talks between the United States and Iran in Pakistan are understandably modest. There is even a risk that the meeting won’t take place at all.Yet, paradoxically, the failure of the talks may still shift the situation in a positive direction. Indeed, the true measure of the ceasefire’s success may not be whether it yields a lasting accord with Iran. It may lie instead in what it forestalls: Even in the absence of a durable deal, Washington may have found a way to avoid going back into a futile war.Tehran’s reaction to the talks has been ambivalent. The government has cast the ceasefire as a victory, projecting strength at home and abroad. But many voices close to the security establishment are less sanguine, warning that Iran may have sacrificed momentum and weakened its deterrent posture by settling for anything short of a complete and immediate end to hostilities.Still, whatever the internal debate, there is little dispute about one point: The ceasefire, as it stands, reflects Iran’s terms more than America’s.Let us consider what the ceasefire entails. The negotiations will proceed on the basis of Tehran’s 10-point proposal, not US President Donald Trump’s 15-point plan for Iranian capitulation. As part of this, Iran will reta …