LONDON (Reuters) – Almost exactly 20 years ago, Sarah Ferguson, then wife of Britain's Prince Andrew, was pictured topless on the front page of a British newspaper, having her toes sucked by a wealthy U.S. businessman by the pool of a French villa. Ignoring any concerns about privacy, the Daily Mirror ran 18 paparazzi long-range photos of the Duchess of York, who was estranged from but still married to Queen Elizabeth's second son, and other papers eagerly followed up with similar snaps. …