A warning by former Russian President Dmitry Medvedev has reinforced Gulf states’ fears that reopening the Strait of Hormuz may be the most Iran-U.S. talks can deliver, short of the wider de-escalation they see as essential. Officials and analysts are expecting the next round of negotiations in Islamabad to focus less on Iran’s missiles and proxies and more on uranium enrichment limits and how to manage Tehran’s leverage over the world’s most critical oil shipping route. Gulf