MICHAEL KIMMAGE is Professor of History at the Catholic University of America. He is the author of Collisions: The Origins of the War in Ukraine and the New Global Instability.

President Trump and NATO Secretary General Mark Rutte have given Vladimir Putin something to help focus his mind. The July 14 announcement of a new NATO-backed weapons corridor into Ukraine, routed ...

Sitting in the Oval Office with NATO Secretary-General Mark Rutte, and apparently fed up with being slow-walked by Russian President Vladimir Putin, Trump threatened the Kremlin with tough tariffs if ...

New developments Tuesday reinforced the idea that President Donald Trump has significantly shifted his view of the Ukraine ...

It’s important to remember how we got to this point. Trump proposed a peace deal heavily tilted in Russia’s favor—one that ...

His hearing provides senators with the first opportunity to grill Waltz over mistakenly adding a journalist to a private ...

Mike Waltz told lawmakers Tuesday at his confirmation hearing to be U.S. ambassador to the United Nations that he plans to ...

Miracles, evidently, do happen. President Donald Trump just announced that the United States will supply Ukraine with ...

In some ways, the U.S. vacillation has a bigger impact than the lack of the weapons themselves, the officials said. A single ...

On Russia, Trump is amazingly conventional, following in the well-worn path of George W. Bush, Barack Obama and Joe Biden, ...

U.S. Secretary of State Marco Rubio said Thursday that the U.S. and Russia have exchanged new ideas for Ukraine peace talks ...

As Russia continues to intensify its onslaught on Ukraine more than three years into the full-scale invasion, Kyiv faces a new challenge – keeping its Western allies, namely the new U.S.