A mistrial was declared on Monday in the closely watched case of a former senior New York official charged with acting as a Chinese agent after the jury was unable to reach a verdict. The jury remained deadlocked on all 19 counts after several days of deliberation in the case of Linda Sun, a former aide to New York governors Kathy Hochul and Andrew Cuomo, on charges of violating the Foreign Agents Registration Act. She and her husband and co-defendant Chris Hu were also charged with routing some...