Putin's Wager

A large war in Europe is likely in the coming weeks. The current security architecture of the continent, the future of NATO, and America's role in shaping security outcomes there are all at stake. Beyond Europe, this conflict would have profound implications for U.S. defense strategy, and may upset America's best-laid plans to focus on the eroding military balance with China. Ukraine, whose fate hangs in the balance, may be at the center of the crisis, but Moscow has a greater goal in mind: the revision of Europe's security order. The Russian armed...