An outdated view of warfare helps explain why the U.S. was slow to supply long-range missiles.

Indiscriminate violence reveals Putin’s powerlessness to overcome Ukrainian resistance.

Forecasting a conclusion to an unpredictable conflict

Kyiv’s success against Moscow forces us to reexamine our assumptions about what it means to be powerful.

Critics of U.S. foreign policy from both ends of the ideological spectrum have found common cause in supporting Russia’s invasion of Ukraine.

Once U.S. money starts flowing again, the dynamics of the war will change.

Pressure on Russia’s Jewish institutions has stoked fears of retaliation over Israel’s support for Ukraine. The reality is more complex.

Frustrated by Berlin’s robust response to his invasion of Ukraine, the Russian leader is seeking allies who could disrupt the consensus.

Aid to Ukrainian forces is achieving more than the long U.S. intervention in Afghanistan did.

The West faces a simple choice: reduce aid to Ukraine and deliver Russia a victory, or else finish the job it has begun.