Boeing's self-inflicted damage leaves it vulnerable in trade war as China halts delivery of company's jets

Gus Carlson is a U.S.-based columnist for The Globe and Mail. Open this photo in gallery: A WestJet Boeing 737-700 aircraft taxis to the runway for departure from Vancouver International Airport, in Richmond, B.C., on May 19, 2023.DARRYL DYCK/The Canadian Press Ask any corporate crisis expert and they will tell you one of the first priorities in helping a company's leaders manage a serious problem is to determine the things within their control and those that are not. The logic is simple: Spending time, money and manpower on things beyond the C-suite's control is a loser's bet that will exhaust…