Three years ago, when I was serving at the US National Security Council, we were faced with a nuclear crisis. As Bob Woodward described it in his book War, the Intelligence Community assessed that if Russian forces were facing a collapse in…

Three years ago, when I was serving at the US National Security Council, we were faced with a nuclear crisis. As Bob Woodward described it in his book War, the Intelligence Community assessed that if Russian forces were facing a collapse in…