Surveyors Lambert Smith Hampton have published their "Vitality Index" - not a ranking of the value of smoothies based on kale and broccoli, but a review of data on productivity, growth, education, affluence, green issues and entrepreneurial attitude. The index excludes London, as so many do these days, treating it almost as a separate country. Seven out of the top ten are in the South East, but there is also growth in other areas, including Bristol and the Northern Powerhouse. Now all we need is for the Chinese economy not to fall over.....