AP Enterprise: Quirky Splits Still Divide Newly Enlarged, 'borderless' Europe The Associated Press May 8, 2004 EDITOR'S NOTE - As the European Union expands, the challenges to building a border-free continent are vivid in its divided towns and villages. Associated Press correspondents visited two of them. By RAF CASERT and EUGENE BRCIC Associated Press Writers Imagine bellying up to the bar in one country and excusing yourself to use the toilet in another. Or chalking up a pool cue and crossing a border to sink the 8-ball. Borders are supposed to fade away on a continent that on May 1...