Whether you support or oppose Donald Trump's ideas and policies, does anyone know the basis for his decisions and what level of analysis supports both?

Former Ukraine aid critics now back Trump's strategy requiring European funding for weapons to Kyiv after the president ...

The West is waging a full-scale war against Russia, and Moscow should respond in full, former Russian president Dmitry Medvedev has said.Mr Medvedev, now deputy chairman of Russia's Security Council, ...

European leaders are trying to parse President Donald Trump's announcement this week that America would supply arms to Ukraine via NATO, with Europe picking up the bill. Many details remain unclear, ...

So Trump will sell weapons to NATO to supply Ukraine, and if Russia does not yield in 50 days, Trump promises another 100% tariff on all Russian goods.

Former Russian President Dmitry Medvedev said on Thursday that Russia had no plans to attack NATO or Europe but, if the West ...

Despite the changes in warfare, Russian forces retain the ascendancy and are making slow but steady advances in the east and ...

A humanitarian program for Ukrainians fleeing the conflict with Russia is on pause, and it's not clear if the Trump ...

Senate Majority Leader John Thune says Republicans will vote on a Russia sanctions bill once Trump approves it, as pressure ...

France will not participate in a new initiative allowing European countries to purchase American weapons for Ukraine, according to French officials familiar with the matter.

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.