By Sudipto Ganguly PARIS (Reuters) – Rafael Nadal brutally crushed Casper Ruud on Sunday to lift a record-extending 14th French Open trophy and increase his lead at the top of the list of men’s Grand Slam champions. There was a sense of deja vu as the Spaniard, who turned 36 on Friday, swept aside Norwegian Ruud 6-3 6-3 6-0 on a balmy afternoon in Paris to ensure he has won every time he has reached the final at the claycourt Grand Slam. By lifting the Musketeers’ Cup again, Nadal was halfway through the calendar Grand Slam for the first time in his career after he won the year’s opening major…