Many writers are shy and retiring — it kind of goes with the territory, the lonely garret with the tortured wordsmith gazing pensively into the mid-distance, seeking that elusive inspiration. As for Danny Baker, when he dons his raconteur’s hat (actually a fez) and takes to the stage at Komedia in Bath, it’s not as if he has to be dragged up there through any reluctance on his part. Getting him off the stage, however, presents quite a challenge.