A tasty Alpine treat and affordable luxury in the darling of the Three Valleys, Meribel

By MARK PALMER Slipping down nicely: Top class skiing and great food is the secret of Meribel's success The blonde (well, platinum, really) is wearing fur and an angry snarl. Her Russian entourage includes an elderly woman, presumably her mother, two thrusting men in fancy ski kit, a nanny and three children. The youngest child is sitting in a four-wheel-drive, sheep-skin-lined buggy. All that's