Esteem driven: On a blazing hot day in June, I sipped freshly made lemonade with Sting in his garden. Well, one of Sting's gardens. At the last count, Sting owned seven properties: a mansion with 800 acres in Wiltshire, 600 acres in Tuscany, a $6 million Malibu beach house, a New York apartment, a house in the Lake District and a couple of places in London - an apartment on the Mall and a grand 18th-century terrace house in Highgate whose elegant, acre-long garden backs on to Hampstead Heath. It was to the latter we retired to take our lemonade, after a superb lunch on the patio prepared by Sting's chef and discreetly served by a formally attired butler...