Bangladesh, May 14 -- In a fresh wave of pressure diplomacy, US President Donald Trump has issued a stark warning to Tehran: accept Washingtons terms for reviving the Iran nuclear deal or face the collapse of its vital oil industry. Speaking at the Saudi-US Investment Forum in Riyadh on May 13, Trump made clear that his administration, if reinstated in office, would not shy away from aggressive economic warfare to force Iran back to the negotiating table on American terms.

“If Irans leadership rejects this olive branch we will have no choice but to inflict massive maximum pressure, drive Iranian oil exports to zero,” Trump said in front of regional investors and diplomats. He portrayed his former sanctions regime as a success...