As you read this, thousands of young Ukrainian men and women are going through their last training drills, checking their weapons and waiting for D-day. In the big Ukrainian counteroffensive that may start any time now, some of them will be killed and many more will be wounded. None will emerge unchanged. We thought we had said goodbye to all that in 1945, but this is Europe in 2023. Nobody knows what will happen in this campaign. Nobody. But we can at least be clear what we want to happen – and firm in supporting the Ukrainians to achieve it....