J.D. Vance said on Sunday that the US and Iran had failed to reach an agreement after marathon negotiations in the Pakistani capital Islamabad.“We have been at it now for 21 hours, and we’ve had a number of substantive discussions with the Iranians. That’s the good news”, the US vice-president told a press conference. “[The] bad news is that we have not reached an agreement, and I think that’s bad news for Iran, much more than that, it’s bad news for the United States of America.”He left, not...