Perhaps it's just because I'm more accustomed to Germanic and Romance languages myself, but looking at the various Slavic languages, I see a lot of similarity (which is partly to be expected, since they're from the same family). Is it possible, say, for a Russian speaker to understand a Pole? Can a Pole understand a Bosnian, or a Slovakian understand a Slovenian? Who can understand whom? Just curious. Thanks.