Donald Trump was not. When the leaders of Russia and the United States shook hands on stage after failing to reach a deal at their Alaska summit, President Trump had a look on his face that his four predecessors might have recognized after their own encounters with the former KGB agent who has defied the world in his determination to rebuild an empire.

Ukrainian President Volodymyr Zelenskiy, speaking in Brussels on Sunday, said the current front lines in his country's war against Russia should be the basis for peace talks.

"If peace is not going to be possible here and this is just going to continue on as a war, people will continue to die by the thousands ... we may unfortunately wind up there, but we don't want to wi...