Be prepared. Take along your own table and chair in case none are provided. Bring a newspaper to read during unnecessarily long questions. A packet of Monster Munch may also prove useful. Don't forget to offer them round!
Way back in the rainy summer of 2010 - when Wikileaks was busy leaking, a volcano in Iceland was busy erupting and Gordon Brown was busy packing - my old university chum Damian Samuels contacted me to say he was making a short film.