The Sanctions Paradox: US Iran Nuclear Tensions Escalate in Vienna The annual conference at the UN's nuclear agency headquarters in Vienna has long been a forum for diplomatic niceties, but this year's event was marred by a stark reminder of the deepening divide between Washington and Tehran.
Iran's nuclear chief, Mohammad Eslami, was blocked from attending the gathering, with US Energy Secretary Chris Wright citing sanctions as the reason.
Beneath the surface of this explanation lies a more complex web of intrigue.