Trump said he and the Russian leader spoke last week about what they see as the problems with mail-in voting. Since then, Trump has pushed again for the U.S. to end the practice.

Fiona Hill, who served as a Russia analyst on the National Security Council during Donald Trump ’s first term in office, said Sunday on CBS that Vladimir Putin’s decision to push baseless claims against mail-in voting during his summit with the U.S. president is a glaring “manipulation” tactic.

President Trump was joined in the Oval Office on Monday by Ukrainian President Volodymyr Zelenskyy and European leaders, just days after a face-to-face summit with Russian President Vladimir Putin.

For more than a decade, the industrial heartland of eastern Ukraine has been the focal point of intense battles and diplomatic disputes between Kyiv and the Kremlin. Now it could be on the table in peace talks with the United States.

Vladimir Putin hasn't made "a single concession" with respect to ending his war against Ukraine, retired Gen. Jack Keane said.

Gen. Jack Keane, Ret. 4-star Army general, explains why Russian President Vladimir Putin invaded Ukraine and what his objectives are on 'America Reports.'

"The Federalist" CEO Sean Davis appeared on FNC's "The Will Cain Show" on Monday and reacted to Ukrainian President Volodymyr Zelensky's meeting with President Donald Trump at the White House. WILL CAIN,