Supply chain managers wary of shifting trade back to West Coast ports
Shipping containers are offloaded from a container ship in the Port of Los Angeles before U.S. President Joe Biden delivers remarks aboard the Battleship USS Iowa Museum on June 10, 2022 in Los Angeles, California.Mario Tama | Getty ImagesNearly a third of logistics managers at major companies and trade groups say they do not know how much trade they would return to the West Coast once an International Longshore and Warehouse Union, or ILWU, labor deal is reached, according to CNBC's supply chain survey.Eighteen percent…