The nuclear deal signed between Iran and major world powers in 2015 — officially known as the Joint Comprehensive Plan of Action (JCPOA) — was imposed only on Iran and not on any other countries across the world and it would be “hypocrisy” for the United Nations (UN) if the international body complained about Tehran’s scale-back measures taken in response to Washington’s unilateral withdrawal from the landmark accord last year, says a US political analyst.