The United States’ and China’s top trade negotiators were set to meet on Thursday for the first time since late July to try to find a way out of a 15-month trade war as new irritants between the world’s two largest economies threatened hopes for progress.  Chinese Vice Premier Liu He, U.S. Trade Representative Robert Lighthizer and Treasury Secretary Steven Mnuchin will seek to narrow differences enough to avoid a scheduled Oct. 15 tariff rate increase on $250 billion worth of Chinese goods. But the atmosphere surrounding the talks was soured by the U.S. Commerce Department’s decision on Monday to […]