<p>What does eating out tell us about who we are?<br>The restaurant is where we go to celebrate, to experience pleasure, to show off - or, sometimes, just because we're hungry. But these temples of gastronomy hide countless stories.<br>This is the tale of the restaurant in all its guises, from the first formal establishments in eighteenth-century Paris serving 'restorative' bouillon, to today's new Nordic cuisine, via grand Vienne...