New developments Tuesday reinforced the idea that President Donald Trump has significantly shifted his view of the Ukraine war.

Russian officials and commentators have shown little indication that Moscow is about to change course under new pressure.

Matthew Whitaker, U.S. Ambassador to NATO, joins CNBC's 'Squawk Box' to discuss the push for Russian sanctions, what to expect from today's meeting between President Trump and NATO Secretary-General Mark Rutte,

Donald Trump’s remarks on Ukraine on Monday were far from the biggest announcement the US president could have made.

Trump was speaking to reporters about Russian President Vladimir Putin when a cameraman spotted his hand and zoomed in for a closer look. White House Press Secretary Karoline Leavitt told the Daily Beast that the bruise is due to the president’s serial handshaking.