Tuesday’s meeting between American and Russian officials represented a big change in U-S foreign policy. In the nearly three years since Russia invaded Ukraine, the United States and Europe have worked to isolate Moscow and stand up against Russian aggression. But President Trump said he trusts Russia’s Vladimir Putin, which paved the way for this week’s high-level, face-to-face talks. The Trump administration’s policy shift has rattled Ukraine and Europe, with long-time American allies hoping to have a seat at the table.