International Security & Defense

Stephen Walt's analysis of the morality of the war in Ukraine includes the following reasoning: But I wish hardliners would acknowledge that their uncompromising approach to the war could do more harm to Ukraine in the long run. Not because that is what hardliners want, but because that is what their policy recommendations may produce.

The modern representative democracy was the best form of government that mid-18th-century technology could conceive of. The 21st century is a different place scientifically, technically and socially. Should we rethink the ways we govern ourselves?

Stephen Walt analyzes why Prigozhin's mutiny against Putin did not change anyone's mind.

Calder Walton recounts how Russia and China are using their intelligence agencies to reverse the outcome of the Cold War

Stephen Walt argues that when states are in trouble and worried that they might suffer a setback, they toss their principles aside and do what they think it takes to win.

A key constructive-use case for artificial intelligence in democratic processes is to serve as discussion moderator and consensus builder.

The Washington Declaration signed by U.S. President Joe Biden and South Korean President Yoon Suk-yeol yesterday should be a ringing reminder of one of the greatest achievements of U.S. national security strategy: its decadeslong success in preventing the proliferation of nuclear weapons. The agreement strengthened nuclear deterrence coordination between the two allies and offered a greater sense of assurance that South Korea falls under the U.S. nuclear umbrella.

A.I. could bolster democracy instead of undermining it - if there were an A.I. system developed by government and available to all citizens, argue Bruce Schneier, Henry Farrell, and Nathan Sanders.

If China attempts reunification with Taiwan, how will the US meet its obligations to defend it? Two visiting fellows and officers of the US Air Force insist that the US must improve its preparedness for a new type of conflict.

Stephen Walt argues for greater foreign-policy restraint by the United States: U.S. foreign policy would be more successful if it did less but did the vital things well.