Bangladesh, April 16 -- For decades, Irans relationship with its Arab Gulf neighbors has been defined by mutual suspicion, regional competition, and geopolitical rivalry. Yet in an era marked by Israels increasingly aggressive behavior, Washingtons unwavering support for Tel Aviv, and shifting alliances across the Middle East, a new window for rapprochement between Tehran and the Arab Gulf states has opened-one that hinges not solely on nuclear enrichment or sanctions, but on the future of Palestine.

Unlike the 2015 negotiations that led to the Joint Comprehensive Plan of Action (JCPOA), todays nuclear talks between Iran and the United States, mediated in Muscat, Oman, include a broader and more consequential agenda. According to Mohamme...