President Donald Trump’s hardened stance on a multinational nuclear deal between Iran and six major powers will not have much impact on global oil prices, Iranian Oil Minister Bijan Zanganeh told state TV on Sunday. FILE PHOTO: A gas flare on an oil production platform in the Soroush oil fields is seen alongside an Iranian flag in the Gulf July 25, 2005. REUTERS/Raheb Homavandi/File Photo Trump refused on Friday to formally certify that Tehran was complying with the 2015 accord even though international inspectors say it is. He warned he might ultimately terminate the agreement.