To understand where talks on ending the war between the US and Iran currently stand, all we can confidently assume is that Donald Trump’s pronouncements offer no guide. The US president said an agreement had been “largely negotiated” on May 23. That proposal would have reopened the Strait of Hormuz in exchange for sanctions relief and the unfreezing of Iranian assets. But it would not have immediately extracted concessions on Iran’s nuclear activities and ballistic missile capabilities. In resp