China sailed its aircraft carrier Shandong through the sensitive Taiwan Strait on Friday, shadowed by a U.S. destroyer, a source with direct knowledge of the matter told Reuters, just hours before the Chinese and U.S. presidents were due to talk. China claims democratically ruled Taiwan as its own territory, and has over the past two years stepped up its military activity near the island to assert its sovereignty claims, alarming Taipei and Washington. The source, who was not authorized to speak to the media and spoke on condition of anonymity, said the Shandong sailed close to the Taiwan-controlled island of Kinmen, ... (full story)