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Geopolitics

NATO 3.0: A Tagline in Search of a Concept

In the News
Lawfare
Ariane Tabatabai

"Implementing NATO 3.0 in any meaningful sense requires the administration to name the threat that the alliance exists to deter," Council Vice President of Research for Security and Defense Ariane Tabatabai and John Drennan write.

NATO and US flags wave in the wind outside NATO headquarters in Brussels
Virginia Mayo / AP
US Foreign Policy

Beyond Defense Spending: What's at Stake for NATO in Ankara

Analysis
by Coauthors

Ahead of the 2026 NATO Summit, Council experts examine deeper fractures over threat perception, alliance trust, and Washington's commitment.

NATO Secretary General Mark Rutte speaks after a meeting of NATO defense ministers at NATO headquarters in Brussels
Virginia Mayo / AP
Global Politics

In Iran, America's Military Readiness Takes a Costly Hit

Analysis
by Ariane Tabatabai

From Venezuela to the Middle East, the Trump administration has not hesitated to use force. But even the world’s most powerful military has its limits.

Military hardware is paraded in Washington to commemorate the Memorial Day, Monday, May 25, 2026, coinciding with the nation's 250th anniversary celebrations.
Jose Luis Magana / AP
Geopolitics

Israel and Iran Halt Fire amid Standoff over Lebanon

In the News
CNN
Leslie Vinjamuri

The recent strikes could complicate US efforts to negotiate a deal with Tehran, Council President and CEO Leslie Vinjamuri tells CNN. "This sort of escalatory violence, if there's a return to that, it gets that much more difficult."

Leslie Vinjamuri speaks with a CNN journalist Geopolitics

Ceasefire Under Strain: Where US-Iran Peace Talks Stand

In the News
WTTW
Ariane Tabatabai

Ariane Tabatabai, the Council's vice president of research for security and defense, joins Chicago Tonight to discuss the latest on the war, Iran's nuclear program, and more.

Ariane Tabatabai on Chicago Tonight Geopolitics

Trump, Europe, and the Russia-Ukraine War

In the News
CNN
Leslie Vinjamuri

"Momentum should be on Ukraine's side, if only Europe and the United States could collaborate effectively to really take advantage of this moment," Council President and CEO Leslie Vinjamuri tells CNN International.

Leslie Vinjamuri speaks with a CNN journalist Geopolitics

Is the US Entering a New Era of Global Power?

Podcast
Deep Dish on Global Affairs Podcast

Former Pentagon official Michèle Flournoy breaks down how America’s changing defense strategy could reshape the global order and US power.

Soldiers
Aaron Favila / AP
Geopolitics

Will the War Change Iran's Way of War?

In the News
Lawfare
Ariane Tabatabai

"This war has allowed Iran to test its strategy and operational capabilities, giving the regime an opportunity to adjust them to strengthen its resistance capacity," Ariane Tabatabai, Council senior fellow on the Middle East, and Madison Rinder write.

troops stand while attending a maneuver in northwestern Iran
Iranian Revolutionary Guard's Ground Force via AP
Geopolitics

What We Know About the Status of a US-Iran Deal

In the News
NPR
Ariane Tabatabai

"The picture that is being painted . . . is one where the United States is giving a lot more to Iran and is receiving a lot less in return," Ariane Tabatabai, Council senior fellow on the Middle East, tells NPR.

A woman walks past an anti-US mural painted on the wall of the former US embassy in Tehran
Vahid Salemi / AP
US Foreign Policy

AI Data Center Push is Fueling New Nuclear Threat

In the News
Salon
Rachel Bronson

"There is a lesson that keeps arriving in new and more violent forms: Energy security is national security," writes Council Lester Crown Senior Nonresident Fellow Rachel Bronson.

Ukrainian emergency workers wearing radiation protection suits attend training in Zaporizhzhia, Ukraine.
Andriy Andriyenko / AP
Geopolitics