Through the past year, German Chancellor Merkel and President Obama – architects of the West’s responses in Ukraine -- were united in choosing to see Putin’s actions as less threatening, his ambitions less expansive. That was the bedrock of their partnership on the issue. Ukraine was a discrete problem, of no more than regional significance, amenable to a political settlement, not to be escalated.
But Europe finds itself now facing a potential confrontation so freighted with risk that NATO’s deputy military commander warned two weeks ago that “the threat from Russia, together with the risk it brings of miscalculation resulting in a slide into strategic conflict, however remote we see that as being right now, represents an obvious existential threat to our whole being…”