WaPo Opinion: “We never managed to break out of it in the short window of opportunity in the ’90s. But we’ll get out one day, for sure. There will be another window of opportunity — and this time we need to use it correctly. There will be a dawn. The night, as you know, is darkest just before the light. As Boris Nemtsov liked to say: “We can do it.” Russia will be free. I’ve never been so sure of it as I am today.”