Even as western sanctions are lifted in response to Iran’s dismantling crucial, large-scale elements of its nuclear facilities, critics continue to believe that Iran is preparing to cheat on the nuclear deal, is increasing its support of proxies such as Hezbollah in Lebanon and the Houthis in Yemen, and is bent on achieving regional hegemony. But instead of taking Khamenei at his word, observers should focus on concrete actions rather than rhetoric that is meant largely for domestic consumption. This is especially critical in light of Iran’s upcoming elections, which will likely bring even...