Is There a Danger of Going Too Far?

When the invasion began, the Biden administration feared Ukraine would be defeated. But when Kyiv showed its ability to resist, calculations in the US and Europe rapidly changed. Here was a geopolitical moment of truth. The security, the credibility of the West was at stake. Putin had to be confronted. Senator Mark Warner: We are dealing with the leader of the world's second nuclear superpower. Are you risking nuclear war?