Don Bacon (R-Neb.) is none too pleased with President Trump’s approach to negotiations meant to end Russia’s three-year-old invasion of Ukraine — and he doesn’t care who knows it.

Russian President Vladimir Putin said Thursday that he agrees in principle with a U.S. proposal for a 30-day ceasefire in Ukraine, but that the terms need to be worked out, and he emphasized that ...

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official ...