EVEN as threats and missiles continue to fly across the Gulf, the US and Iran are attempting to keep the negotiation process alive so that the ceasefire remains intact. Both sides have traded fire over the past few days, raising fears that the truce was headed for a premature and violent end. Yet on Saturday, delegations from the US and Iran were in Oman for ‘technical’ talks — in the midst of President Donald Trump’s rambling and threatening social media posts.