MICHAEL KIMMAGE is Professor of History at the Catholic University of America. He is the author of Collisions: The Origins of ...

Back-channel contacts, direct diplomacy and a multibillion-dollar weapons deal helped align the U.S. and Europe on arming Ukraine.

Pentagon officials said details were still being worked out, and experts doubted Mr. Trump’s threat of huge tariffs for ...

The Kremlin said on Tuesday that U.S. President Donald Trump's recent statements, including a threat of sanctions on buyers ...