Just a few days in Las Vegas had brought about a miraculous transformation in my mother. For several weeks before our trip, her main activity had been fretting about what to bring. "Shall I take a brolly?" she’d asked. I explained the temperature in May should be a balmy 40 degrees. She wasn’t convinced. "How about a mac then?" Surreal: The Bellagio is home to an indoor windmill, cocktail bars and hundreds of slot machines Rich pickings: One of the Bellagio Hotel's five luxurious swimming pools Now, after just 48 hours in Vegas, she seemed an entirely different person. She got up from her sun lounger and said: ‘Right, I’m off to gamble and to have a gin and tonic. Can I borrow a hundred dollars?’ It was 10.30am. My 68-year old mother rarely drank and her total gambling experience had been the penny-in-the-slots at the seaside as a child. What had I started? I had been worried that she would just hate Vegas. Family holidays usually involved European