David O'Doherty spends a lot of time filling notebooks, frantically scribbling down ideas for his next tour, gig or Edinburgh Festival."Stand-up is a complete obsession," says the comedian. "I woke up this morning and the first thing I did was look at my pen and paper and look at what I scrawled before I went to sleep last night."It's a blessing and a curse," says the 39-year-old Dubliner, a regular panellist on shows including QI, Would I Lie To you? and Have I Got News...
