The era when the three joint communiques set the terms of US-China relations may have “completely come to an end”, a prominent Chinese analyst has warned.Zhu Feng, dean of Nanjing University’s School of International Studies, also said that it might be “unrealistic” to expect Beijing and Washington to reach a comprehensive political understanding on Taiwan, given US domestic politics.Following Chinese President Xi Jinping’s highly anticipated summit with US counterpart Donald Trump earlier...