China’s Xi Jinping talks up US-China ‘traditional friendship’ with Jake Sullivan  POLITICOChina’s Xi Pushes to Keep U.S. Ties Steady Through Bumpy Presidential Race  The Wall Street JournalXi Jinping holds surprise meeting with senior Biden aide in Beijing  The GuardianTop Biden Aide Holds Rare Talks With Chinese Military General  The New York Times‘Vigorous give and take’: U.S. security advisor discusses economic curbs in rare trip to China  CNBC