The call, scheduled for Tuesday, will be the first known conversation between the two leaders since Mr. Putin laid out numerous conditions for a cease-fire with Ukraine.

"I'll be speaking to President Putin on Tuesday. A lot of work's been done over the weekend," Trump told reporters on Air Force One during a late flight back to the Washington area from Florida. "We want to see if we can bring that war to an end.

I will be speaking to President Putin on Tuesday,” Trump said. "A lot of work's been done over the weekend. We want to see if we can bring that war to an end.” Although Russia failed in its initial goal to topple Ukraine with its invasion three years ago,