Contentious as it may have been, the Night Tube is a thing of great excitement for this Londoner.  No longer do I have to limit myself to nights out in south west London.  No longer do I have to make that mad dash for the last tube, bringing brilliant evenings to an abrupt end.  The city has opened up to me and it’s great.  Weirdly, I quite like grubby, touristy old Camden for the occasional night out but I’ve so often had to cut those nights out short.  Taxi from Camden to Tooting?  No chance.  But, thanks to the Night Tube, I can now relax and enjoy what Camden has to…