Friday lunchtime I was playing darts in my local pub, just next door to where I worked.  I had just been comprehensively outplayed by one of the pub's first team and headed over to my pie and pint. I'd left them on a table which had been empty when I went up to the oche to play.   It wasn't now. There were two girls sitting there, Sauvignon Blancs in hand, the remnants of their sandwiches in front of them. I recognised th...