<![endif] The Daily Beast Politics Entertainment World News U.S. News Tech + Health BeastStyle Women Books Itar Tass/Reuters Leslie H. Gelb facebook tweet post 04.16.14 If Russia’s really thinking about invading Ukraine, it should think about the cost of fighting a prolonged guerrilla war there. The White House and CIA Director John Brennan knew full well that his “secret” visit to Kiev on Sunday would be “leaked.” That was the point. Foremost, the trip was conceived as a message to Putin—that he should start contemplating the unhappy possibility that a Russian invasion of eastern Ukraine might well face a guerrilla war like the nightmarish one that drained Soviet forces in Afghanistan decades ago. But the underlying turn of the screw is that Brennan’s visit might not be ALL message. While Brennan’s conversation in Kiev was mostly about intelligence-sharing, as The Daily Beast’s El...