<p>Does a utopia really exist within northern Europe?<br>Do we have anything to learn from it if it does?<br>And what makes a nation worthy of admiration, anyway?<br><br>Since the '30s, when the world was wowed by the Stockholm Exhibition, to most people Sweden has meant clean lines, good public housing, and a Social Democratic government. More recently the Swedes have been lauded for their environmental credentials, their aspirational free schoo...