Tintin has always been a firm favourite - my birthday treat is one of the hardback books each year - and no trip to Brussels is complete without a visit to the museum and the shop celebrating Herge's greatest creation. Today marks the centenary of Herge's birth and there is plenty going on and the chance to share your thoughts about the man and his work on the BBC. My comment is that his pure escapism has always turned a dreary afternoon into an adventure...