U.S.-Iran Tensions and Implications for U.S. Policy [Updated September 23, 2019] [open pdf - 1 MB] From the Document: "Since May 2019, U.S.-Iran tensions have escalated significantly, but have stopped short of erupting into armed conflict. Since May 2019, U.S.-Iran tensions have escalated. The Trump Administration, following its 2018 withdrawal from the 2015 multilateral nuclear agreement with Iran (Joint Comprehensive Plan of Action, JCPOA), has taken several steps in its campaign of applying