This report discusses the how the exchange of threats between members of the governments of Iran and the United States, have again raised the specter of an interruption of shipping through the Strait of Hormuz. The Strait is a key waterway for the transit of oil and natural gas to world markets. The report also discusses the possibility of Congress to consider legislation regarding sanctions on Iran.

This report discusses Iran's national security policy. Some experts forecast that Iran's foreign and defense policies might shift after international sanctions were eased in January 2016 in accordance with the July 2015 multilateral nuclear agreement with Iran (Joint Comprehensive Plan of Action, JCPOA).

This report focuses on the United States' relationship with Iran and how the Obama Administration is handling prior administration's economic sanctions against Iran. The Obama Administration's policy approach toward Iran has contrasted with the Bush Administration's by attempting to couple the imposition of sanctions to an active and direct U.S. effort to negotiate with Iran on the nuclear issue. That approach was not initially altered because of the Iranian dispute over its June 12, 2009, elections.

This report focuses on the United States' relationship with Iran and how the Obama Administration is handling prior administration's economic sanctions against Iran. The Obama Administration's policy approach toward Iran has contrasted with the Bush Administration's by attempting to couple the imposition of sanctions to an active and direct U.S. effort to negotiate with Iran on the nuclear issue. That approach was not initially altered because of the Iranian dispute over its June 12, 2009, elections. However, with subsequent negotiations yielding no firm Iranian agreement to compromise, since early 2010 the Administration has focused on achieving the imposition of additional U.N., U.S., and allied country sanctions whose cumulative effect would be to compel it to accept a nuclear bargain.