President Trump's relationship with Ukrainian President Volodymyr Zelensky has taken a U-turn since the leaders' February meeting devolved into a shouting match, with the two expected to discuss supplying Ukraine with game-changing long-range missiles Friday.
The big picture: Trump repeatedly boasted he could end the Russia-Ukraine war on his first day in office, and nine months later he appears poised to up the ante to force Russia to the negotiating table.
