Donald Trump likes to issue ultimatums, even if they don't end up being enforced. The US president issued one such deadline at the beginning of April, putting massive pressure on Iran, before announcing a 14-day ceasefire just as the time was about to run out. This deadline too has passed without a result, and was again extended. It is worth noting that the most recent agreement contains no specific end-date. Trump now says the US will hold off on attacking Iran until it has submitted a new proposal for ending the conflict and the discussion of this has been concluded "one way or the other." The US Navy will, however, continue to blockade Iranian ports. Three scenarios, between peace and war: What will happen next? The 14-day ceasefire did enable the first direct negotiations between the US and Iran in almost a decade, but so far a lack of trust on both sides has precluded another round of talks .…