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 ...

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

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 will face questioning from lawmakers for the first time since he was ousted as national security adviser.

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

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

“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 ...

Donald Trump's recent posts about Russian President Vladimir Putin have been mocked by RT, a state-controlled media outlet.