BEIJING (Reuters) – A U.S. Navy destroyer sailed near the disputed Spratly Islands on Saturday, the U.S. Navy said, its second such “freedom of navigation” operation in a week in the South China Sea. On Wednesday, China’s military said it had “driven away” the same ship, the USS Benfold, when it sailed near the disputed Paracel Islands. The United States regularly carries out what it calls freedom of navigation operations in the South China Sea, challenging what it says are restrictions on innocent passage imposed by China and other claimants. “On July 16, USS Benfold (DDG 65) asserted navigat…