Vladimir Putin has for years unsuccessfully tried to oust Ukrainian President Volodymyr Zelenskyy. Now those efforts are being entertained by U.S. officials.

Then on Friday, he berated Zelenskyy during an explosive Oval Office meeting."Vladimir Putin couldn't be happier," McMaster, who is a CBS News contributor and author of "At War with Ourselves: My Tour of Duty in the Trump White House,

A spat between President Donald Trump and Ukrainian President Volodymyr Zelenskyy has come as a windfall for the Kremlin, raising Moscow's hopes for a halt in the U.S. assistance to Kyiv even as Russian troops seek to extend their gains in Ukraine.

A deal to end the war between Ukraine and Russia “is still very, very far away,” Ukrainian President Volodymyr Zelenskyysaid during a briefing Sunday, adding that he expects to keep receiving American support despite his recent fraught relations with U.

France’s prime minister has torn into U.S. President Donald Trump’s Oval Office thrashing of Ukrainian President Volodymyr Zelenskyy by calling it a staggering show of “brutality.”

A president just disrespected America in the Oval Office. It wasn’t Zelenskyy.” That was the verdict of the editorial team at the Kyiv Independent, one of Ukraine’s leading media outlets, on a remarkable spat in the Oval Office that played out on Feb.

A spokesman for Russian President Vladimir Putin praised President Trump's turn away from support for Ukraine's defense against Russia's invasion.

President Donald Trump and Ukrainian President Volodymyr Zelenskyy were meeting at the White House Friday after a war of words over peace negotiations and an abrupt reversal of American policy toward Vladimir Putin and Russia.

President Donald Trump criticized his former national security advisor and said the U.S. government should spend less time worrying about Russian President Vladimir Putin.