What do we do in times of international crisis, impending doom, and possibly the threat of world war? Meme about it of course! If you haven't heard, there's trouble brewing (once again) in Eastern Europe as Russia gears up to "perform peacekeeping functions" in the separatist republics of eastern Ukraine . Plebs like us are mostly just confused, but that doesn't mean we can't make dumb jokes and memes about an international crisis whose complex history dates back to the Cold War. If you feel to…