Iran has arrested almost 40 teachers nationwide before and since May 1 protests, Human Watch Rights has said, calling for their release. Quoting the reformist Emtedad news website, the watchdog said that as of May 1 Iranian authorities had arrested 38 teachers. “At least 17 of them are still detained, including Mohammad Habibi, the Iranian Teachers Trade Association’s (ITTA) spokesperson, the watchdog reported on Thursday. It said the arrests came after the Coordinating Council of the Iranian Cultural Teachers Associations called for a nationwide protest on May 1 — on the eve of National Teac…