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Defense and Security

The Norm Against Territorial Conquest Is in Its Death Throes

In the News
World Politics Review
Paul Poast

The norm against territorial conquest has underpinned the post-World War II rules-based order—but it seems to be weakening, Paul Poast writes.

Soldiers hold a Russian flag in Crimea
Vadim Ghirda / AP
Defense and Security

US-China Trade War, Tariff Whiplash, Iran Talks

Video Series
World Review with Ivo Daalder

Prashant Rao, Liz Sly, and Giles Whittell join Ivo Daalder to discuss the week's top news stories.

Chinese President Xi Jinping gestures during the opening session of the National People's Congress at the Great Hall of the People in Beijing, China on March 5, 2025.
Ng Han Guan / AP
Defense and Security

Signalgate Blows Up, Turkey in Crisis, Vance Visits Greenland

Video Series
World Review with Ivo Daalder

Steven Erlanger, Matt Kaminski, and Nahal Toosi join Ivo Daalder to discuss the week's top news stories.

Defense Secretary Pete Hegseth does a television interview outside the White House on March 21, 2025.
Jacquelyn Martin / AP
Defense and Security

What Signalgate Really Tells Us

In the News
Politico
Ivo H. Daalder

"Apparently, the US military is for hire, even if there has been no request for its services. And if you want us — you have to pay," Ivo Daalder writes.

The Signal app is shown on a mobile phone
Jeff Chiu / AP
US Foreign Policy

Signal Chat Shakes Washington

In the News
France 24
Ivo H. Daalder

Ivo Daalder weighs in on members of the Trump administration using the Signal app to discuss plans for a military operation.

Signal app on a smartphone is seen on a mobile device screen
Kiichiro Sato / AP
US Foreign Policy

86 Percent Blame Putin for Russia-Ukraine War: Survey

In the News
The Hill
Coauthors

A new Chicago Council-Ipsos poll sheds light on American attitudes toward the Russia-Ukraine war.

Russian President Vladimir Putin addresses a meeting
Alexander Nemenov / Pool via AP
Public Opinion

On Concessions to Russia, Trump and Americans Are on Different Pages

In the News
Washington Post
Coauthors

"It seems Americans might not be as inclined toward peace at any cost as Trump is," Aaron Blake writes, citing new Council-Ipsos polling.

President Donald Trump meets with Ukrainian President Volodymyr Zelenskyy in the Oval Office
Mystyslav Chernov / AP
Public Opinion

Would Americans Go to War Against China?

In the News
Foreign Affairs
Paul Poast

Nonresident Fellow Paul Poast, Alexandra Chinchilla, and Dan Reiter explore how a divided US public thinks about conflict.

Chinese soldiers march to their post outside the Great Hall of the People in Beijing
Vincent Thian / AP
US Foreign Policy

Trump Has His Eyes on a Bigger Prize than the US-Ukraine Mineral Deal

In the News
World Politics Review
Paul Poast

Trump desperately wants to be seen as the one who ends the war in Ukraine and thinks the mineral agreement will help him do that, Paul Poast argues.

President Donald Trump meets with Ukraine's President Volodymyr Zelenskyy at Trump Tower
Julia Demaree Nikhinson / AP
US Foreign Policy

Israel-Hama Ceasefire Set to End This Weekend

In the News
Fox 32 Chicago
Cécile Shea

Cécile Shea weighs in on what's next for Gaza and peace negotiations moving forward.

Cecile Shea on Fox 32 Chicago Defense and Security