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.

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

Moscow is projecting confidence in the face of President Trump’s new hardline stance on Ukraine, but Russia’s teetering economy tells a different story. -While officials like Dmitry Medvedev publicly ...

President Donald Trump’s nominee for U.S. ambassador to the United Nations is facing questioning from lawmakers for the first time since he was ousted as national security adviser.

President Donald Trump’s nominee for U.S. ambassador to the United Nations will face questioning from lawmakers for the first time since he was ousted as national security adviser.

But his frustration with Putin has grown. Last week, the president said the United States was taking “a lot of bullshit” from ...

President Trump said he is “disappointed” in Russian President Vladimir Putin after threatening Moscow with sanctions over its war with Ukraine, but added that he is not “done with him.” ...

“Putin will not negotiate as a loser,” one of his longtime associates tells TIME by phone from Moscow. “He knows that winners ...

Trump's threat against Russia runs parallel to a Senate-led effort to pass crippling sanctions on countries that buy Russian ...

U.S. President Donald Trump repeatedly said during his campaign he would be able to end the war between Russia and Ukraine ...