A Ukrainian lawmaker told CBS News on Wednesday that President Trump should not approach peacemaking efforts with Russia like a business deal , saying the American leader must "understand he cannot trade with Putin" as the "aggressor" in the war, which is nearing its four-year mark.

Lisa Yasko, a member of Ukraine's parliament from the same party as President Volodymyr Zelenskyy, spoke with CBS News after high-level talks in Moscow between Putin and U.S. special envoy Steve Witkoff failed to yield any breakthroughs .

Yasko said that was largely due to Putin's lukewarm interest in achieving peace.

"[Putin] was smiling so much at this meeting with Witkoff, but absolutely this is not about the peace itself," she said. "He's interested in showing that he's geopolitically active ...

See Full Page