Forget old bands reforming. If they have some of their original members, good luck to them. Nobody has to pay to see them play. But what about much loved fictional heroes? I don’t know which meant the most to me in my childhood, Sherlock Holmes or Doctor Who. My Mum suggested I check out the first episode of the latter, An Unearthly Child. I didn’t see it on its first showing. Evidently a lot of people missed the show, because JFK was assasinated that day, so the BBC repeated it the following Saturday. And, from then on, I was hooked. I skipped ‘Coronation Street’ when I was away at university, but I always watched Dr Who, then at its inspired, Tom Baker era, peak. I…