Joe Macaron, a fellow at the Arab Center Washington DC, said announcing a resignation on Instagram is “unconventional and unprecedented” for an Iranian official. “It seems… Zarif submitted his resignation letter and went on social media before either Rouhani and Khamenei [can] react to this resignation, which might mean that Zarif is locked in a fight with hardliners on what directions should the Iranian foreign policy take amidst growing US pressure on its economy,” Macaron told MEE via email. “We are yet to know the full story behind this resignation, but it seems to reflect heated debates in Tehran around the foreign policy challenges facing the Iranian regime.” Click here to read the full article.