Nearly seven months after taking delivery of a mobile X-ray system manufactured in the People's Republic of China, the Port of Los Angeles is on the verge of canceling the controversial contract. The staff at the port has recommended that the Board of Harbor Commissioners find DULY Research, Inc., the California-based broker who represents the Chinese manufacturer, in default of the terms of the contract, when it next meets on Feb. 5. "Cancellation of the purchase contract is recommended because after delivery of the mobile scanning unit to the Port of Los Angeles on July 8, 2008, field tests and...