Mikhail Gorbachev, the former leader of the Soviet Union, piped up on Thursday with a wake-up call for the Western world: Ukraine is now everybody’s problem. The turmoil in its capital, where pitched battles have raged all week between protestors and police, “threatens not only Ukraine and her neighbors, but Europe and the entire world,” he wrote in an open letter to the U.S. and Russian Presidents. He was certainly right about Europe, which now has a real dilemma on its hands. The only question is whether Ukraine’s neighbors can do much to resolve it. For the West, there are...
