I KILLED two birds with one stone one night last week and, hopefully, with this column too. I went and bought a copy of the new Good Beer Guide and made a point of getting to the Exeter Arms and the Smithfield Ale House (both pubs are of course in it). A bit of my custom is a drop in the ocean for these two brilliant Derby pubs, of course. I also get that I’m a bit late to the party in publicising their current plight. But every little helps, according to the well-known adver