By laying out U.S. arms sales to Taiwan as a bargaining chip with China, President Trump has handed a gift to China’s leader, Xi Jinping, in his efforts to undermine the Taiwanese government. 特朗普总统将美国对台军售作为与中国谈判的筹码，这无疑给试图削弱台湾政府的中国领导人习近平送上了一份大礼。 On Monday…