If a deal to bring the United States and Iran back into compliance with a 2015 nuclear accord is not done "very soon" the window of opportunity will close, Ireland's foreign minister, a facilitator of the talks, said on Wednesday.
"This really needs to be done very soon for it to succeed. Otherwise I think we will simply have missed the sweet spot for agreement ... and that would be a tragedy really," Simon Coveney said in a talk at Dublin's Institute of International and European Affairs think tank.
