Trump affirmed that the U.S. would back European security guarantees but stopped short of committing U.S. troops to a collective effort to prevent Moscow from reinvading its neighbor.

During Ukrainian President Volodymyr Zelensky’s visit to the White House on Monday, he spoke with a familiar figure – a right-wing reporter who had famously called out his choice of attire during Zele...

"The question of territories is something we will leave between me and Putin."