President Trump’s admiration for President Vladimir Putin of Russia has been endlessly dissected, but the American leader’s policy shifts since taking office again could have profound effects.

“We have zero intelligence that Putin is interested in a real peace deal right now,” one of the congressional officials said. Putin is sending representatives to Saudi Arabia for ...

Putin of Russia, characterizing it as the beginning of a negotiation to end the war in Ukraine. It was the first confirmed conversation between the two men during Mr. Trump’s second term ...