Shortly before Charles de Gaulle's retirement, his wife was asked by Harold Macmillan's wife Dorothy what she most looked forward to in the coming years. 'A penis', she declared. Coming to his wife's rescue, the former president remarked, "My dear, I think the English pronounce it 'appiness'"..."Walking in on Mum and Dad" relives many sorry tales of embarrassment, from author Bill Bryson snoring and dribbling in public to actor Patrick Stewart caught...