Ukrainian President Volodymyr Zelenskyy has warned that Friday's meeting between President Donald Trump and Russian President Vladimir Putin "will not achieve anything."

President Donald Trump is scheduled to meet face-to-face with Russian President Vladimir Putin in Alaska. The White House is calling it an early step in what could be a much longer process to end the war in Ukraine.

The US-Russia summit lets Putin get back to the top table of international diplomacy and thumb his nose at critics. Here’s what else he stands to gain.