Michael Singh quoted in Financial Times article, “US hits Iran with sanctions on metals sectors”
"The US has said it would it impose sanctions on Iran’s iron, steel, aluminum and copper sectors, which the White House said were Tehran’s 'largest non-petroleum-related source of export revenue'... "Mike Singh, a senior fellow at the Washington Institute in Washington, said the move represented a 'continuation of the "maximum pressure" campaign.' 'It targets a remaining source of export revenue for Iran, and a source of employment for Iranians, so this may add significantly to the economic pressure on Iran,' said [...]