Middle East

The Middle East is undergoing a transformative moment where the old order is vanishing and a new one is beginning to take shape. Wars in Gaza and Iran, the evolution of terrorist groups like Hamas and Hezbollah, and the fall of Bashar al Assad have dramatically changed the region, leading to unprecedented conflict and alliances in the midst of changing economies and energy flows. CSIS experts grapple with these fast-moving developments and explore questions surrounding issues such as geopolitics and geostrategy, governance, counterterrorism, economics, and water security.

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Photo: Giuseppe Cacace/AFP/Getty Images; AFP/Getty Images

Photo: Giuseppe Cacace/AFP/Getty Images; AFP/Getty Images

Iran and the Emerging Security Order in the Middle East

The war with Iran has reshaped the Middle East, exposing the limits of U.S. power and raising questions about the future of regional security. As the old order unravels, Tehran may emerge with greater influence in a more multipolar region.

Commentary by Vali Nasr — September 14, 2026

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Experts


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Jon Alterman
Zbigniew Brzezinski Chair in Global Security and Geostrategy
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Seth G. Jones
President, Defense and Security Department; Harold Brown Chair
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Daniel Byman
Director, Warfare, Irregular Threats, and Terrorism Program
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Will Todman
Chief of Staff, Geopolitics and Foreign Policy Department; and Senior Fellow, Middle East Program
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Douglas Comstock
Fellow for Satellite Imagery Analysis and Open-Source Intelligence, iDeas Lab
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Masha Kotkin
Fellow, Energy Security and Climate Change Program