Has Iran’s position on Syria begun to change? This is a crucial question, as Iran’s tone toward military action against Syria has altered from being threatening throughout years of supporting Bashar al-Assad, to becoming much milder. It appears as though the issues around the chemical weapons instigated this change; the Iranian President, Hassan Rouhani, strongly criticised the use of chemical weapons in a post on Twitter, and his successive tweets supported the forcible prevention of their use.