US President Donald Trumps top economic adviser blamed Chinas President Xi Jinping for stalling talks that could end the US-China trade war, and referred to local Chinese government officials as mafioso dons, in an interview on Wednesday. Larry Kudlow, director of the National Economic Council, made his remarks weeks after the last round of high-level talks between Trump administration officials and Chinese Vice-Premier Liu He that were aimed at averting punitive tariffs that went into effect on July 6.