A speech that may well define Biden’s presidency

The president’s surprise visit sent a message to Moscow—and to European leaders.

No U.S. president since Reagan has used such forceful language against Russia.

American and European leaders’ profound lack of imagination has brought the world to the brink of war.

Ukraine’s fate will be decided not by combat power alone, but by either side’s ability to employ effective logistics to sustain that combat power.

Too many Republicans who know better are serving as mouthpieces for the Kremlin.

Ahead of the presidential election, the campaigns themselves have become combatants in the information war. That’s exactly what Russia wants.

As fighting continues around Ukraine’s capital, five experts on the city reflect on the places that mean the most to them.

A centuries-long tradition of authoritarian rule and disregard for individual rights underpins Vladimir Putin’s imperial project.

Centering U.S. foreign policy on this principle is destabilizing abroad and divisive at home.