The memorandum of understanding that the United States and Iran signed in June has fallen apart. The deal was meant to halt fighting, open the Strait of Hormuz, and create a 60-day window for further ...

Despite some allegations that Anthropic’s warnings about Mythos simply constituted marketing, leading commercial software companies given early access to the model have corroborated Anthropic’s claim.

A. WESS MITCHELL is Principal and Co-Founder of the Marathon Initiative. He served as U.S. Assistant Secretary of State for Europe and Eurasia from 2017 to 2019 and is the author of The Grand Strategy ...

When hostile central governments threaten cities directly, municipal leaders can contest the worst overreaches. Mayors can use municipal resources to restrict or defy the predatory actions of a ...

Beijing’s wait-and-see approach to the war and unwillingness to use its leverage over Tehran to contain the conflict have disabused Gulf Arab states of any lingering expectation that China could ...

Although the Iranian people and armed forces have defended their country against two nuclear-armed powers, they still see the conflict as one imposed on them, a clash that they were never eager to ...

At no point during its history did Pakistan meet these criteria. It was a nuclear-armed country on the fringes of the Western order, associated more often with regional instability than with conflict ...

In 2025, Chinese leader Xi Jinping tried to capitalize on U.S. belligerence toward Europe by promoting China as the responsible great-power alternative. In a message sent to mark the 50th anniversary ...

But the episode—together with Trump’s repeated talk of incorporating Canada as “the 51st state”—has spurred NATO allies in the Arctic region to step up their security activities. Canada pledged $28 ...

DARON ACEMOGLU is Institute Professor at the Massachusetts Institute of Technology, where he has taught since 1993. One of the world’s most frequently cited economists, he was awarded the Nobel Prize ...

The Pentagon is broken, but Congress can fix it.

Following the back-to-back state visits to China in May by U.S. President Donald Trump and Russian President Vladimir Putin, many U.S. and European commentators noted that the summit meetings yielded ...